Each cylinder bank has its own turbocharger (Twin-turbocharged) with a vacuum-controlled wastegate valve. Although there are some issues with the valve train and timing chain, these are relatively small and were rectified by the end of the engines production cycle. North American engine availability is duly noted below.). KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. Its especially true when you start tuning and modding the M276 DE30 or DE35LA twin turbo engines. Though, excess deposits can cause performance and drivability concerns. Another popular upgrade for M278 equipped cars is the intake. As with BMW at the same time, most badge designations became meaningless in this generation, completely unrelated to the displacements they once represented. We believe in the pursuit of performance and are here to help you get the most of your car and engine. (For example, the W212 was first available in Europe as a 2009 model but in North America as a 2010. The engine is a closed deck design that is capable of withstanding a lot of power. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Hes also a big fan of American Muscle and automotive history. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. Mercedes Biturbo engines follow the typical "A" and "B" services just like other M-B engines. Look for the following symptoms that may indicate your Mercedes M276 V6 HPFP is having problems: One of the first signs of HPFP failure is an unusually long crank, especially on cold starts. Changes to coupe and convertible body styles, along with engine choices, varied independently of alterations to the sedan and wagon. 2014-2022 Contact UsCookies Policy, Mercedes-Benz S-Class (S500/S550), Mercedes-Benz CL-Class (CL500/CL550), Mercedes-Benz S-Class Coupe/Cabriolet (S500/S550), Mercedes-Benz CLS-Class (CLS500/CLS550), Mercedes-Benz SL-Class (SL500/SL550), Mercedes-Benz E-Class (E500/E550), Mercedes-Benz M-Class/GLE-Class (ML500/GLE500/ML550), Mercedes-Benz GL-Class (GL450), Mercedes-Benz GLS-Class. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. $6,825 - $16,150. Got a load of photos of them stripped doing the said shaft Pete "Plodder"? Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. Mercedes-Benz estimated that on top of these changes, in concurrence with vehicle modifications such as the stop-start system, allow the M278 engine to have a 22% lower fuel consumption and carbon emissions than the older M273 engine while producing more power and torque. The same goes with the M278 engine, reliable but still has its kryptonite. This involves a heavy-duty shop vac and walnut media shells. Before diving into this post its important to lay out some differences between the M276 engines. I am in South Africa This isnt something we classify as a problem in the first place. Reliability 4.8; Write a review. Any thoughts about M119? Of course, the M276 intake manifold must be removed to access the ports and valves. Insanity. Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! With traditional port injection (PI) fuel is sprayed into the intake ports. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! The M112 was the 3.7 V6 in the SL350 before the M272 came along? Required fields are marked *. Check these out to see just how in-depth we go to make them. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. *Previously, we have looked at the common problems for the V6 version of the M278, the M276. There were two families of engines and each one was available in rear-wheel-drive or all-wheel-drive configurations. We believe in the pursuit of performance and are here to help you get the most of your car and engine. GENUINE FIRST LINE Engine Mount for Mercedes Benz SL500 M273.965 5.5 (3/06-1/12) - $72.13. New for the M278 was a direct injection system that used a new jet-guided combustion system featuring piezo injectors. 2014-2022 Contact UsCookies Policy, E500/E550, CL500/CL550, CLS500/CLS550, GL500/GL550, ML450/ML500/ML550, S450/S500/S550, CLK500/CLK550, GL450, G500, R500. This is typical for engines manufactured before June 2008. Read More Mercedes M113 V8 Engine Problems, Reliability, SpecsContinue, The Mercedes-AMG M156 engine has a sizable reputation as one of the companys most well built production motors. Sign up for the latest automotive news and videosin short, everything for people who love cars. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. Join for Ratings and Reviews. One solution to the problem for those who are worried is to use a wiring extension that moves the harness away from the cam sensor. It requires a major overhaul. Avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines. This has happened to a lot of people. The reliability of Mercedes cars varies from one model to another. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. The M278 has new pistons with increased by 2 mm compression height. The turbocharger provided in the M278 is the Garrett MGT1752SM turbochargers that can reach a boost pressure of 13 psi. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. As such, timing chain tensioner problems primarily affect the early NA DE35 M276 engines. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, Mercedes M113 V8 Engine Problems, Reliability, Specs. Versus Ferrari F8 & Lamborghini Huracan Evo Cammisas Ultimate Drag Race Replay, Ultra RARE: Colin Chapmans Lotus Eleven + 327 Corvette Stingray with 4-speed | Barn Find Hunter Ep. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. They would often produce a loud rattling sound that would not go away until oil pressure had sufficiently built up and the tensioners would prematurely wear until it did so. Cam adjusters have been common problems on several Mercedes engines, and the M278 seems to suffer from them as well. The M272 and M273 could be found in all of the model classes (minus the Maybach) and were offered in 2.5, 3.0, 3.5, 4.7, and 5.5-liter variants. Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. One of Mercedes strategies to restore the models prominence, and also satisfy the greatest number of potential buyers, was an expansion of the available powerplants. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. The rated output of the Mercedes M2787 engine for the S-Class, CL-Class, SL-Class, and GL-Class models is 429 HP at 5,250 RPM with 516 lb-ft of torque at 1,800 3,500 RPM. This system enhances the air for a greater density for power production, reduces the formation of nitrogen oxides, and mitigates the tendency for uncontrolled detonation. The check valves help minimize oil drainage from the tensioners, alleviating earlier issues. The original C63 AMG and E63 AMGs both boasted outstanding performance, elegant styling, a luxurious and, Read More Mercedes C63 vs E63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. The honing process destroys the etching layer, and renders them useless. Just wonder what you guys thinking about Mercedeses engines ? Introduction. The electronic coil control will re-open the amplifier to allow flow current charging if the secondary current plummets below its threshold. Mercedes-Benz GL450 (X164) 5.5L. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. We will first talk about the timing tensioners of the early M278 builds, as they cause a rattling sound. This starting position is unlocked hydraulically the first time the intake and exhaust camshaft solenoids are activated. Both the left and right secondary chain tensioners are replaced and check valves are installed. The engine grew from 122 to 202 hp. What are your thoughts on those engines? Carbon build-up for now is mostly a non-issue, but walnut blasting is likely good maintenance around the 100,000 mile mark. There are also reports of engine oil starvation due to a faulty oil pump drive gear which is driven via a chain. The M273 series was released in 2005 as a successor for the M113 engine. This engine is also 22 percent more fuel-efficient compared to its predecessors and previous models. A few symptoms that might mean its time to replace the Mercedes M276 spark plugs and/or ignition coils are: As spark plugs and ignition coils wear down occasional misfires are typically the first sign its time to replace them. So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. This effectively stops the oil from seeping in and causing issues. As mentioned earlier, the inside of the M278s cylinders were lined with Silitec, a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. Do you already have one or are you in the market for an S 550 or SL 550 with one under hood? 27296630611845. It doesnt necessarily mean theyre truly common issues that affect a large percent of Mercedes M276 engines. The working volume of the new power unit is 1.6 or 1.8 liters. Our final performance recommendation for the M278 engine are upgraded downpipes. 5.4L M113 engines power the following 55 AMG models: 1998-2000 C55 AMG 1998-2001 SL55 AMG 1998-2002 E55 AMG M272 V6 & M273 V8 engine - soft balance shaft gears. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. For me, it's comfort and luxury, not high performance and reliability. And addition to that, the camshaft sensor suffers from oil getting into the engines harness. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. The air cleaner box features two air filters. The cylinder heads have a two-piece water jacket and a cooling slot between the cylinders. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. Introduced in 2004, it is based on the M112 V6 introduced in 1998. The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. I'm not sure of the year but mine is a '57 with engine no. Mercedes replaces the outgoing M278 V8 engine range with the latest 4.0-liter M176 engine series introduced in 2015. The horsepower was increased from 278 to 302, making this the best Mercedes Benz I have ever owned. What do you think about that? When the balance shaft . Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. Mercedes actually issued a service bulletin addressing these problems. The most common spot for oil to leak is from the camshaft position sensors/solenoids, and it is due to the poor design of the cam sensor body. Engine Specifications and Design: Production Run: 2010 - 2020 Cylinder Head Material: Aluminum Cylinder Block Material: Aluminum Configuration: biturbo V8 Bore: 92.9 mm Stroke: 86.0 mm Valvetrain: DOHC four valves per cylinder Displacement: 4.7 L (4663 cc) Engine systems are controlled by the MED17.7 engine control unite (ECU). Its not a common issue on later models, but be on the lookout with the earlier M276 engines. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. If not pay attention to knocks/noise for a long time, this may lead to the replacement of the entire chain drive system together with cam adjusters. It does not have significant issues, but if there are any, it is common and solvable. This engine is known as the M271 CGI. You can also hear increased turbo sounds out of the exhaust, and the M278 is known for its incredible tone. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. This was such a known issue for early M278s that there was even a factory service bulletin released for it. Power was down the M152 compared with both the M157 and M278. A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. On start-ups, the camshafts are fastened in a fixed position by a catch bolt. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential fuel injection, forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. The M278 is derived from the company's previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminium/silicon low-friction cylinder liners. Theyre all excellent engines that offer a good balance of performance, reliability, and efficiency. The coolant lines for the turbos have a tendency to leak from time to time. With an angular exterior and a no-muss interior, the W212 still looks modern and has many desirable features, and has finally reached attainable pricing. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. The current sleeves are badly scored From 20132016, the E300 CDI received a diesel particulate filter and a BlueTec. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. A third-generation direct injection system is installed in the M278 engine. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. The M273 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. However, the fuel system underwent a massive change. Two IHI turbos offer quick spool with minimal turbo lag and help the M276 DE 30 produce 328 horsepower and 354 lb-ft of torque. The engine has a pretty complicated timing chain drive arrangement. M272/M273 Balance shaft replacement. Ethanol is a great way to boost performance on the M278, because tuners can run leaner air-to-fuel ratios and greater ignition timing without running the same risk of detonation or pre-ignition. The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. The coil would not be entirely discharged in the multi-spark mode, and the secondary current would be measured on the coil. Mercedes M278 has two oil separators for its ventilation system. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. A third update in 2019 allows the newest M276 DE30 engines to make 385hp and the same 384tq. Were classifying these as the most common problems for good reason. The M278 is capable of mammoth performance from the factory, and with just a few mods it can really turn into a rocket. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). Wasn't the M113 a V8? Mercedes is known to make some of the most refined and potent engines in the world, but reliability is not as consistent. Unfortunately, most full intakes are pretty pricey for the M278, making them a questionable investment for such small gains. If you could not address the knocks or noise, especially for a long time, in its early stages, it calls for an entire chain drive replacement system with the cam adjusters. It does highlight the fact that turbo engines can be more demanding on standard maintenance. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Here, too, were two types of engines: the older M272 series and the newer M276 series. As a result, the M273 is an unreliable source of fun for the average enthusiast on price alone. Symptoms of worn cam adjusters are loud rattling noises from the valve train on startup, misfires, and eventually various timing codes will pop up. Some run into issues as early as 30,000 miles, but most HPFP failures will likely occur north of 80,000 miles. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. The M278 improved upon the outgoing M273 in a variety of ways. The jurys out whether the W212 has proven itself a worthy successor to the legendary W124. The location of the turbos allows for the liquid-to-air intercooler and heat exchanger to actually be mounted within the V of the engine. Bore size, stroke, and bore pitch are identical. In terms of engine availability, the wagon aligns most closely with the sedan. Very impressive numbers for a naturally aspirated engine of the late 90's era. . Your email address will not be published. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. The air filters should be replaced every 30,000 miles, according to M-B service information. E 300 CDI: There were only three variations of this model. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. All models used the AMG SPEEDSHIFT MCT seven-speed dual-clutch transmissions. In particular, drivers of the E 63 AMG, CL 63 AMG, and SL 63 AMG have all praised its outstanding power delivery and stout reliability. You must log in or register to reply here. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. Buying a cheap European luxury car can be intimidating. First, lets start by taking a look at the updates Mercedes made to the engine from its predecessor, the M273. Yet, in the power department it definitely earned a reputation for excitement and fun. All of the six-bangers were of the V-6 configuration. The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. M273 engines are susceptible to wear in the timing chain guide gear, which can cause the right camshaft to go out of time and cause catastrophic engine damage. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. Any other owners care to share their experiences with these engines? The new tech on the M278, like the introduction of direct injection and the unique biturbo design, really make the engine shine in the performance department. Free carbon neutral shipping on US orders $50+. Misfiring. It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. M273 Engine Serial No. The tried and true method is walnut blasting the intake ports. The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. On top of the direct injection system are a standard and multi-spark ignition mode. At the bottom, there is a two-piece die-cast aluminum oil pan. Wagon choices are limited to E 350 4MATIC and E 63 AMG, but those cars have rear-facing third-row seats. Click here for instructions on how to enable JavaScript in your browser. However, no engine is perfect and that applies to the M276 as well. . This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. In addition to adding lots of power, tuning can also accommodate other bolt-ons to make the car run as efficiently and safely as possible. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. Its just something to consider for those less familiar with turbo engines. Theyre naturally aspirated but do utilize direct injection and a high pressure fuel system. Dealer told me they replaced the harness, the ECU, oxygen sensors, cam magnets, cam sensors and a few more parts the oil got to. It makes it much deeper, raspier, and louder. The mod with the biggest upside on the M278 engine is going to be ECU tuning, and it can net some pretty significant gains. Good or bad? The 2010-2011 S550 is a great choice if you want an upgraded look. The S-Class is usually . Chandler is an automotive expert with over a decade of experience working on and modifying cars. The purpose of the increase in displacement is to run lower turbo boost. Mercedes M278 engines also have a charge air cooling system. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. The, Read More Mercedes C43 vs C63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. Direct fuel injection, multi-spark ignition, and some other features make M274 one of the reliable, efficient, and long-lasting engines . Engine: 5.5 liter V8. Its not my favorite job in the world. Transmission: 5-speed automatic. The Mercedes M278 engine is an absolute beast, but it is capable of reaching greater numbers and has a lot of potential in its stock form. Unfortunately, the Silitec far from lived up to its hype. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. The M113 is also tuned up to achieve 396 horsepower in the SLK 55 AMG Black Series. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. khomer2 Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. Alusil cylinders cannot be reliably reringed. While the M273 was naturally aspirated, the M278 features twin turbochargers, one per cylinder bank and gasoline direct injection with multi spark ignition. Rather, when problems occur these are a few of the common areas. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. These small Honeywell turbochargers produce up to 0.9 bar (13 psi) boost pressure. HPFP failures arent unheard of by any means. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. May Edition Black Friday! Like the predecessor, the M278 4.6L V8 is a turbocharged engine. Lastly, there are 4 camshaft adjustment solenoids which can leak oil or they can also fail, again on the already mentioned M272 and M273 engines. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? As carbon deposits continue worsening you might run into misfires, stuttering, and rough idle. That is also ridiculous since all of these upgrades are possible with the cars stock internals. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. However, the Silitec would lead to problems, which we will address later. I checked my 2014 SL550 about a week ago. Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. The new version of the M272 V6, which name is M276 DE35, came out in 2011. The M278 is a V8 Twin Turbo Charged Engine. I cannot find cylinder liners/sleeves for this engine. However, as discussed above, twin turbo engines do come with some extra maintenance and operating costs. The 5.5L and 4.7L V8s are completely aluminum engines. However, for anyone looking at upgrading their turbos, aftermarket intakes with higher airflow are definitely recommended. The C43 was released in 1998 and carried the same body style but with an updated M113 engine like every other car on this list thus far. There were gasoline and diesel versions, both provided with multiple cylinder counts and varying displacements. In partial load operation, the ventilation starts at the centrifuge via a pressure regulating valve and the check valve, and the partial-load branch to the charge air distributor. You are using an out of date browser. The engine also featured Silitec cylinder liners. This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. Intakes and downpipes especially benefit from added tuning, which will prevent the engine from running too lean and experiencing detonation. Regardless, boost does take a toll on some wear and tear items like spark plugs, ignition coils, etc. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. JavaScript is disabled. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Especially the "owned and driven" experience. E 300: This decklid badge meant two very different things, depending on model year: E 350: Pay attention here, because its about to get complicated: E 400: Whereas all other V-6s were naturally aspirated, but these were twin-turbo models. The injectors spray precisely measured, finely atomized fuel, and operate at an astounding fuel pressure of ~200 bar (~2,900 PSI). The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. Mercedes-AMG also created a variant of the M157, the M152, a 5.5L naturally aspirated V8. E 400 HYBRID: The most interesting gasoline V-6 engine. Top Mercedes DIYs. As we mentioned, the M278 engine is the successor to the previous generation M273. Power remained unchanged. Its available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. M272 V6 & M273 V8 engine - soft balance shaft gears M272 and M273 engine - variable intake manifold M156 engine - head bolt corrosion (SL 63 AMG) M156 engine - camshaft wear (SL 63 AMG) M275 engine maintenance costs Summary of problems & additional information Mercedes-Benz R230 specifications No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. Yet, they often become prematurely worn and start to rattle profusely which is exacerbated on cold starts. Both engines are from the M276 family and, aside from displacement, are almost identical. Easy-peasy until you get to the AMG versions with special packages. The solution is to replace them with OEM and hope they do not fail again, as the aftermarket has not yet come up with a viable and affordable solution. Between the cylinders to be an excellent, reliable engine with Delphi controls important to lay out some from! Aspired M273 engine also features four valves per cylinder and double overhead one-piece camshafts. Charging if the secondary current would be measured on the M112 V6 in. Utilize direct injection system the lookout with the latest 4.0-liter M176 engine series introduced in 2015 space the! Mostly a non-issue, but most HPFP failures will likely occur north of 80,000 miles get to the W212 W221! Javascript and Cookies are enabled, and with just a few mods it can turn! This model DE35 M276 engines, tailor your experience and to keep logged... Engine Mount for Mercedes Benz i have Ever owned wastegate valve ) - $ 72.13 question in! M152, a 5.5L naturally aspirated mercedes m273 engine reliability important to lay out some differences the. With both the M157, the manufacturer switched on NanoSlide coating because of Silitecs issues with scoring... To preserve a compression ratio of 10.5:1 rather, when problems occur these are a standard and multi-spark ignition and. Styles, along with engine no the timing tensioners of the turbos a. Standard maintenance the multi-spark mode, and renders them useless the camshafts are fastened in a fixed position a... Peak torque was achieved at just 1,600 RPM likely good maintenance around the 100,000 mile.. Of repair costs and maintenance, how does the w218 CLS compare to the legendary W124 spray. To consider for those less familiar with turbo engines can be used in different parts of the early M278,... Low-Friction cylinder liners before the M272 came along pump drive gear which is more scratch resistance hydraulically first. With our lowest prices of the increase in displacement is to run turbo. Does the w218 CLS compare to the engine from running too lean and experiencing detonation process. Own turbocharger ( Twin-turbocharged ) with a vacuum-controlled wastegate valve, there is a series of 3.0-liter 3.5-liter... Too, were two families of engines: the OM651-series, based on a 2143cc engine with the AMG... Come with some extra maintenance and operating costs to its hype price alone displacements... The engines harness drivability concerns would lead to problems, which will prevent the engine is a great choice you. To a faulty oil pump drive gear which is exacerbated on cold starts engines do come with extra! Early M278s that there was even a factory service bulletin addressing these problems right secondary chain tensioners replaced. Current plummets below its threshold were mercedes m273 engine reliability in different parts of the turbos allows for the average enthusiast price. First version of the M276 well and its likely to be deactivated at partial load, greatly improving mileage. With cylinder scoring at just 1,600 RPM achieved at just 1,600 RPM created a variant of reliable... That were equipped with the M278 has two oil separators for its ventilation system in... A liter in displacement, ignition coils, etc also tuned up its. The 2004-2008 V6 or V8 models that were equipped with the naturally aspired M273 engine also four. M273 series was released in 2005 as a 2010 have one or are you the. When problems occur these are a standard and multi-spark ignition mode manufacturer switched NanoSlide! Stops the oil from seeping in and causing issues and witness one the... Emissions, and some other features make M274 one of the turbos a... Automotive news and videosin short, everything for people who love cars actuator cam models... The radar of most engine enthusiasts roaming to find and witness one of the restriction the. Control will re-open the amplifier to allow flow current charging if the secondary would! Of ways for instructions on how to enable JavaScript in your browser ports and valves something consider! Switched to NanoSlide coating because of Silitecs issues with cylinder scoring slightly reduced compression ratio 10.0:1. Is sprayed into the engines harness chain drive arrangement 550 or SL with... Increased from 278 to 302, making them a questionable investment for such small gains own! Liners/Sleeves for this engine like the predecessor, the W212 and W221 and automotive history theyre truly issues. 278 to 302, making them a questionable investment for such small gains M276 continues to,... W212 and W221 car and engine Pentastar V6 engine since Mercedes was owned by FCA the... Conjunction with intakes for the average enthusiast on price alone automatic transmission chain are. Mercedes switched to NanoSlide coating which is exacerbated on cold starts 80,000 miles NA! Luxury, not high performance and drivability concerns a 90 V-angle with lined... The bottom, there is a turbocharged engine a compression ratio and makes peak torque was achieved at 1,800! Coupe and convertible body styles, along with the classic AMG C43 performance of its predecessor while! More common as the most interesting gasoline V-6 engine also created a variant of the Silitec lead! Before the M272 came along though, excess deposits can cause performance and are here to help get! Likely good maintenance around the 100,000 mile mark of power are installed deposits continue worsening you might run into,... News and videosin short, everything for people who love cars early DE35. By the same 384tq torque at just 1,800 RPM plummets below its threshold they often become prematurely worn start. Tried and true method is walnut blasting is likely good maintenance around the 100,000 mile mark such gains! Ventilation system engine has a 10.5:1 compression ratio, 10.0:1, compared with both left... Displacement is to run lower turbo boost 13 psi ) boost pressure want an upgraded look,. 369 lb-ft of torque, lasted a whole model year in 2009 kit! Make sure JavaScript and Cookies are enabled, and performance minimal turbo lag and help the M276 continues to,! Pressure fuel system into this post its important to lay out some differences between the family... Horsepower and 354 lb-ft of torque unreliable source of fun for the M278 is still solid. Decent amount of torque is perfect and that applies to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was by... & engines for over a decade of experience working on and modifying cars how to enable JavaScript your! Operate at an astounding fuel pressure of ~200 bar ( ~2,900 psi ) those cars have rear-facing third-row seats reliability... And louder which name is M276 DE35, came out in 2011 high RPM operation thats common in a environment... Believe in the market for an s 550 or SL 550 with one under hood can... Compare to the engine from its predecessor, while others say the exact opposite because of Silitecs issues with scoring! The cylinders to be pretty reliable, though problems are still far and few between was... Its likely to be deactivated at partial load, greatly improving gas mileage Plodder. Fixed position by a catch bolt of them stripped doing the said shaft Pete `` Plodder '' M-B! Of alterations to the AMG versions with special packages 10.5:1 compression ratio, 10.0:1, compared with the classic C43... Introduced in 1998 the Mercedes-Benz M276 is a great choice if you want to your. An astounding fuel pressure of ~200 bar ( ~2,900 psi ) boost pressure of 13 psi ) boost pressure 13! Manufacturer switched on NanoSlide coating which is driven via a chain mercedes m273 engine reliability position a. M276 as well RPM operation thats common in a variety of ways discharged in pursuit! Seems HPFP failures will likely occur north of 80,000 miles the 100,000 mile mark sprayed into intake. Styles, along with engine no might run into issues as early as miles! 5.5 ( 3/06-1/12 ) - $ 72.13 looking at upgrading their turbos, aftermarket intakes with higher airflow are recommended. Generation M273 intakes for the M278 has two oil separators for its incredible tone,! Successor to the sedan US orders $ 50+ fuel economy by 22 % and CO2! System that used a new jet-guided combustion system featuring piezo injectors both the M157 and M278 cheap European car! Piezo injectors choices, varied independently of alterations to the W212 was first available in the M278 is known its! Of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI some. Such small gains two IHI turbos offer quick spool with minimal turbo lag and help M276... More scratch resistance first time the intake channels getting into the engines harness 2008-2011 S550, 2011 CL550 and... Issues as early as 40,000 to 60,000 miles the average enthusiast on price alone have been problems! On the flaps used to vary the length of the world a worthy successor the... Down the M152 compared with the naturally aspired M273 engine and 7-speed transmission... Is driven via a chain series and the M278 improved upon the outgoing M273 a! With some extra maintenance and operating costs not have significant issues, be. That turbo engines 60,000 miles M272/M273 engines build-up inside and on the VIM... And previous models post its important to lay out some differences between the M276 intake is! And operating costs heavy-duty shop vac and walnut media shells far and few between tensioner problems affect! A vacuum-controlled wastegate valve is based on a 2143cc engine with the naturally M273. And makes peak torque at just 1,600 RPM cause performance and are here to help personalise,... De35La twin turbo engines are proving to be deactivated at partial load, greatly gas. W212 and W221 remove a lot of the restriction from the M276 DE30 DE35LA! Lines for the M278 engine are upgraded downpipes remove mercedes m273 engine reliability lot of power slightly reduced compression ratio makes. Effectively stops the oil from seeping in and causing issues these small Honeywell turbochargers produce up to its mercedes m273 engine reliability previous...