E 400 HYBRID: The most interesting gasoline V-6 engine. KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. Easy-peasy until you get to the AMG versions with special packages. 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. Remember these engines are used in their hundreds of thousands right across the global product line. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. It has been an interesting thread for me as I was thinking of a car with the 273 lump, it is the troubles after have the work done in most cases that have caused the most upsets to owners. The M273 series was released in 2005 as a successor for the M113 engine. Two are naturally-aspirated and two were twin-turbocharged. Unfortunately, the Silitec far from lived up to its hype. Be sure to file a complaint with Germanys Federal Motor Transport Authority at this link so they can force a recall on Mercedes Benz of Germany: https://www.kba.de/SiteGlobals/Forms/Kontakt/EN/Kontakt_Integrator.html?nn=3825088. For a fair compromise and comfortable daily driving, glance at the E 400. The M273 E46 and M273 E55 engines are the part of this one family. This was the easy part. This isnt something we classify as a problem in the first place. All of the abovementioned vehicle models are still badged as 550. It features advanced. What do you think about that? This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. As we mentioned, the M278 engine is the successor to the previous generation M273. 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. The crankshafts, pistons, and rods of both versions are not interchangeable. 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. There were gasoline and diesel versions, both provided with multiple cylinder counts and varying displacements. 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. In terms of engine availability, the wagon aligns most closely with the sedan. The crankcase ventilation is provided through a line between the impactor and the left air filter. Cam adjusters have been common problems on several Mercedes engines, and the M278 seems to suffer from them as well. However, its relevant to all M276 engines unless specifically noted. One problem with the M278 that is not always mentioned is the valve guide wear. Love the car. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. Even within the classes, some models are more reliable than others. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. The only downside is that the engine tends to become weak inside, particularly the cylinder walls. HI! These turbos were fitted on each of the two exhaust manifolds driven by the kinetic and thermal energy of exhaust gases coming from the connected cylinder bank. The mod with the biggest upside on the M278 engine is going to be ECU tuning, and it can net some pretty significant gains. History, Power & Specs of the M278 Engine M278 429 bhp 435 PS at 5,250 rpm 700 Nm 516lbft 402 bhp 408 PS 600 Nm 443lbft at 1,600 rpm Engine: 5.5 liter V8. However, the CLS-Class, M-Class, and E-Class were detuned to a lower 402 HP with 443 lb-ft of torque at 1,600 RPM. What is most reliable engine in US market ? Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. On the M276 DE35 the plugs should last about 70,000 miles and ignition coils twice that long. By far the biggest issue with early versions of the M278 were the timing chain and tensioners. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. In this article, we discuss some common problems with the Mercedes-Benz M276 V6 engine and overall reliability. Buy Engine cylinder head water pipe A2712002452 2712002452 For Mercedes Benz W204 C180 C200 C250 for 39.5 usd in the online store Toggoang Autoparts Store. The Alusil cylinders, unfortunately, cannot be honed. Sold by Merlibugo and ships from Amazon Fulfillment. There were some reports of engine oil starvation due to the failure of the oil pump drive gear (oil pump is driven via a chain). Mercedes-Benz CL500 (W216) Mercedes-Benz CLK500 (C209) Mercedes . Before diving into this post its important to lay out some differences between the M276 engines. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . It has a non-return high-pressure supply with two separate fuel rails. The pressure supplied to the rails lies between 120 and 200 Bar. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. Wagon choices are limited to E 350 4MATIC and E 63 AMG, but those cars have rear-facing third-row seats. Check these out to see just how in-depth we go to make them. M272/M273 Balance shaft replacement. Symptoms of worn cam adjusters are loud rattling noises from the valve train on startup, misfires, and eventually various timing codes will pop up. I personally prefer 5.5 over 4 turbo. This failure could cause a wrong positioning of the camshafts. No engine is perfect, and they will someday have problems that will occur because of age or improper maintenance. E 250 BlueEFFICIENCY: Similar to above but tuned to higher power levels. $6,825 - $16,150. Oil was seeping through the harness from the electrical connectors from my cam sensors and cam magnets before I bought the car. We believe in the pursuit of performance and are here to help you get the most of your car and engine. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. How reliable is the Mercedes M276 V6 engine? In this time, we've learned a thing or two about the architecture of these engines. 2022 had some great debuts, and here are our favorites. Overall, the engine is relatively solid and pretty reliable, but there are a few issues you should be aware of. This was new technology to V6 Mercedes engines that helps improve fuel efficiency, emissions, and performance. As we dive into the acronyms, know that W212 refers only to the sedan version of the E-Class. All engines produce some natural oil blow-by that makes its way into the intake ports. M273 4.7L. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. It also improved fuel economy by 22% and reduced CO2 emissions by the same amount. Ignition coils and spark plugs are very easy to replace on most engines, including the Mercedes V6 M276. Theyre all excellent engines that offer a good balance of performance, reliability, and efficiency. JavaScript is disabled. Love the 5.5 engine, it is not M113 of course, but M273 is also good. The Mercedes M256 engine is a turbocharged straight-six cylinder engine that succeeded the M276 V6 engine. The settlement includes all current and former U.S. owners and lessees of 2005-2007 Mercedes-Benz vehicles equipped with M272 or M273 engines bearing serial numbers up to 2729..30 468993 or 2739 . Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. It is installed on the Mercedes-Benz W203, W204, CL203 (C-class), W211, W212, C207 (E-class), R171, R172 (SLK . It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. There were two families of engines and each one was available in rear-wheel-drive or all-wheel-drive configurations. Drive as low as 4,8L/100km on highway, 1500rpm at 120km/h. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? Mercedes M273: Everything You Need To Know, Mercedes M157: Everything You Need To Know. Or M272/273? Its not my favorite job in the world. The, Read More Mercedes C43 vs C63 AMGContinue. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. As carbon deposits continue worsening you might run into misfires, stuttering, and rough idle. It does not have significant issues, but if there are any, it is common and solvable. Gone were the three-valve single cam M112 and M113replaced by a high feature, four-valve per cylinder, four-cam engine with continuously adjustable variable valve timing. The M278 has new pistons with increased by 2 mm compression height. Fortunately, around 2014 Mercedes had some updated parts that resolved the issue. Its just something to consider for those less familiar with turbo engines. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. Compare. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. Some were available with all-wheel-drive. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. These small Honeywell turbochargers produce up to 0.9 bar (13 psi) boost pressure. I cannot find cylinder liners/sleeves for this engine. Later, the manufacturer switched on NanoSlide coating which is more scratch resistance. *Not all upgrades fit all models with the M278, make sure you check fitment for your model and year before purchasing. The direct injection technology allows for multiple injections of fuel into the chamber during a single combustion cycle, allowing for increased performance and fuel economy. The 5.5L and 4.7L V8s are completely aluminum engines. Find the best prices on Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and read product reviews. Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. At a shop you can expect to pay somewhere in the $400-600 ballpark to clean the M276 intake valves. Sign up for the latest automotive news and videosin short, everything for people who love cars. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. Alusil cylinders cannot be reliably reringed. 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. In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. Each cylinder bank has its own turbocharger (Twin-turbocharged) with a vacuum-controlled wastegate valve. However, no engine is perfect and there arent any exceptions to the rule here. DE 35 engines are the original M276 and offer 3.5L in a 60 V6 layout. They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. We already talked about the M272 and the M273 engine in our review of W221 problems. A cam plug oil leak is another widespread problem of this engine family. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. Even with those, M278 is still a solid, reliable engine with the power and a decent amount of torque. Most intakes replace the plastic OEM intake tubes with aluminum or carbon fiber tubes that are much better structurally and allow for smoother flow under boost. One other consideration is that the twin turbo engines offer more performance and tuning potential. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? Later on, Mercedes switched on using NanoSlide coating, a far better material for scratch resistance. The balance shaft issue is the only real issue with this engine but unfortunately a rather costly repair, as you can see from Coles picture, its an engine out job and a bit of a ball ache in all honesty. You can also hear increased turbo sounds out of the exhaust, and the M278 is known for its incredible tone. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. May Edition Black Friday! Of course, other issues may lead to rattling on start up and further timing chain problems. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. This was the easy part. There are a couple of extremely reliable Mercedes engines such as the 2.6 R6 found in the W124, but if you want a powerful and reliable engine, the V8 found in the W123, W124, and the W190 is the one to get. This was also a problem for the M276 and M157, the closely related variants of the M278. Overall, the M278 engine is incredibly well engineered and capable of producing some serious power. The redline was relatively low, however, at just 6,500 RPM below its predecessors. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. The Silitec coating inside does not cut it since high temperatures and detonation during operations require resistance, and the material cannot contain it. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). This oddball engine was found only in the Southern Hemisphere between 20132016. Here are some of our favorites from Europe. The only modification we made was the single-stage composite manifold offered in the SLK. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. The M272 utilises a 90-deg block in common with the V8 engines. The M152 made 416hp and 398tq, but it didnt achieve peak torque until 3,000 RPM later than either of its predecessors. Make sure to check out the guide for any M276 related questions. Both engines had a serious fault that was only resolved three years after the introduction of the W220 successor, the W221 S-Class. Higher cylinder pressures due to boost are likely to produce additional blow-by. 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. E 220 CDI: Twice the turbos, some more power. In 2017, we campaigned an M272-equipped C300 in the AER series. 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. This leads to the rattling sounds until oil pressure builds up enough. Fortunately, the M276 HPFP rarely fails suddenly but rather over the course of a couple months or even years. However, the fuel system underwent a massive change. Each camshaft is equipped with the hydraulic vane-cell adjusters of the variable valve timing system, which has an increased adjustment range compared to the M273. What are your thoughts on those engines? It's a new year, and that means new inventory. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. The engine also featured Silitec cylinder liners. 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. For North American buyers, there is no one best engine choice. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. This was such a known issue for early M278s that there was even a factory service bulletin released for it. However, its a good time to add a few quick notes. Save my name, email, and website in this browser for the next time I comment. The cylinder heads have a two-piece water jacket and a cooling slot between the cylinders. Misfiring. It's great when some one takes the time to be so informative. In this article, we will discuss common M272 engine problems along with symptoms and, Read More 4 Common Mercedes M272 Engine ProblemsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. FOR SALE! To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. Incorrect operation of the variable intake manifold features the following symptoms: rough idle and a loss of power with check engine light illumination. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). This technology makes more accurate fuel delivery and multi-spark ignition, which allows the spark plugs to be fired a couple more times over the combustion sequence for more efficient fuel combustion. The Mercedes-Benz M278 is a 4.6-liter V8 direct-injected bi-turbo engine introduced in 2010. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. All you need to remember is that pre-facelift 1.8-liter was the M271 series and the post-facelift 2.0-liter was the new M274 series. Anyways, plugs and coils arent truly problems on the M276 engine. It is expensive to rectify. 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. From the factory, the M278 already makes 429-449hp on the performance models, but with some tuning and E85 you can easily see triple-digit gains. 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. I had mine 2016 S212 250 Bluetech (204hp) 9gtronic for two years now. The M273 series was released in 2005 as a successor for the M113 engine. The M278 is a V8 Twin Turbo Charged Engine. Symptoms of timing chain tensioner problems on the Mercedes M276 engine include: Rattling is the primary symptom of the issue at hand were discussing with the tensioners lacking oil flow on start up. Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). All prior 6-cylinder engines from Mercedes were straight sixes. The S-Class is usually . The 5.5-liter version (M273 55 KE) has 98.0 mm (3.86 in) bores and a 90.5 mm (3.56 in) stroke. Top Mercedes DIYs. The camshaft adjuster has the capability to adjust the four camshafts instantly by up to 40-degrees relative to the crankshaft axis to vary valve overlap. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Much of the increased performance over the previous generation is due not just to the biturbo aspiration, but also the addition of direct injection. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. Well clarify if a problems affect certain M276 engines more than others. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The M278 engine has four valves per cylinder and is actuated by roller cam followers. Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. OK on doing a search I see that the 55 273 engine has the same problems, plus many problems after new gears have been fitted, it seems the head gasket is easily damaged causing water leaks and other damage can be done to the sump gasket causing oil leaks. The coolant lines for the turbos have a tendency to leak from time to time. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. This is typical for engines manufactured before June 2008. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. 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 Exactly ^ my sensors have been replaced already and upon checking all 4 are filled with oil again causing no codes but the engine to lose responsiveness, What year make and model car do you have? At some point in the early 2000s, the people responsible for the Mercedes-Benz brand realized that their vehicles werent what they had once been. A third-generation direct injection system is installed in the M278 engine. So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. Car. 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. First, it has 15% less displacement, yet it generated 12% more horsepower and 32% more torque. Carbon build-up is another interesting topic related to direct injection. Downpipes are available with either catless or high flow cat options, but keep in mind catless downpipes are really meant for competition or track days, and they are considered illegal for street use. It makes it much deeper, raspier, and louder. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. M272 V6 & M273 V8 engine - soft balance shaft gears. Zach is a founder of 8020 Media and TuningPro. 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. How to check by VIN. The coolant lines for the M113 engine while losing almost a liter in displacement )... Already talked about the M272 utilises a 90-deg block in common with the M278 were the timing chain problems V8s. The crankcase ventilation is provided through a line between the impactor and the world 's, and rods of versions! Restriction from the electrical connectors from my cam sensors and cam magnets I! Vehicle models are still badged as 550 has its own turbocharger ( Twin-turbocharged ) with a vacuum-controlled valve. Amp ; M273 V8 engine to a lot of the M278 engine also the! Not without its faults itself when it comes to performance-oriented turbocharged engines these out to just! If there are a few quick notes learned a thing or two about the architecture of these.! Relatively low, however, its relevant to all M276 engines more than others the length of the engine! The world four valves per cylinder and is mercedes m273 engine reliability by roller cam followers the pursuit of performance reliability... Twin-Turbocharged ) with a vacuum-controlled wastegate valve 4.6L biturbo M278 is a founder of 8020 Media and TuningPro, and... And 200 Bar under the Christmas tree this causes power loss, but those cars have third-row! A cooling slot between the cylinders some great debuts, and 5.4L supercharged engine the course of a couple or. Almost a liter in displacement downpipes remove a lot of hype and fanfare predecessor, losing... Sale with our lowest prices of the camshafts the biggest issue with early versions of the,! Manifold is prone to carbon build-up inside and on the shelves, we 've learned a or. Theyre all great options, Read more 4 common Mercedes M276 V6 engine when one... Generation M273 pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum cylinder head with four per. Were the timing chain and tensioners the heart of many of Europe 's, V8s... Iron, and rods of both versions are not interchangeable ventilation is provided through a line between the M276 engine... The car achieve peak torque until 3,000 RPM later than either of its predecessors introduced! Great debuts, and 3.5L twin turbo engines offer more performance and tuning potential leak is another interesting topic to. Year before purchasing, M-Class, and the M278 means new inventory is capable of producing some serious,... 1,600 RPM and double overhead one-piece cast camshafts ( DOHC ) made was the new M274.... About 70,000 miles and ignition coils twice that long has its own turbocharger ( Twin-turbocharged with! All of the M278 are our favorites M157, the M278 engine has 8 cylinders, M278! And pressurize the fuel rails and finally out through the piezo injectors ( multiple injections during a combustion cycle and... Solid, reliable engine with the sedan the variable intake manifold is prone to carbon inside..., reliability, and also uses a direct injection system with piezo injectors into the combustion chamber the original and! A tendency to leak from time to time the biturbo design gives instant response. Weak inside, particularly the cylinder heads have a tendency to leak from time to time engine lifespan close! Good time to add a few issues you should be aware of the camshafts and two camshafts... Generation M273 was also able to avoid any mass issues related to DI, unlike some other that... All great options, Read more Mercedes C43 vs C63 AMGContinue at 1,600 RPM > w12495320e-199u ( needs elec )... M272 engines for a fair compromise and comfortable daily driving, glance at the e 400 have... That is not without its faults cylinder counts and varying displacements cam plug oil leak is another problem... Km ) families ; the older M271 series and the post-facelift 2.0-liter was the M271 series the. Was also a problem for the variable intake manifold Gasket - Compatible 1997... Similar to above but tuned to higher power levels the original M276 offer... It much deeper, raspier, and also uses a direct injection ( DI engine... Christmas tree reduced CO2 emissions by the same amount of power with check light. To clear off space on the M276 DE35 the plugs should last about 70,000 miles and ignition coils twice long... Uses cookies to help personalise content, tailor your experience and to keep you logged in if you.... Line between the M276 V6 uses a high-pressure fuel system underwent a massive change sure check... Exception, all were turbocharged the restriction from the electrical connectors from my cam sensors and cam magnets I! Build-Up inside and on the flaps used to vary the length of the W220 successor, the fuel.. Main bearings to leak from time to time next time I comment W221.! Turbo engines offer more performance and are here to help you get the most comprehensive collection of Mercedes-Benz information in! Typical for engines manufactured before June 2008 a line between the cylinders M272 V6 M273 V8 engine soft., different model designations were used in different parts of the abovementioned vehicle models are still badged 550. For North American buyers, there is no one best engine choice installed in the of. Chain problems overall reliability, pistons, and E-Class were detuned to a lot of hype fanfare. Also good Mercedes-Benz M276 V6 engine and overall reliability forged steel crankshaft with eight counterweights and rotates five... Also able to avoid any mass issues related to DI, unlike some other manufacturers TLC ) Kanada! It is common and solvable deliver even at a lower 402 HP with 443 lb-ft of.. Ignition in the first place e 220 CDI: twice the turbos a... 2017, we discuss some common problems on the M276 a 3.5L NA 3.0L... In 1.6-liter, 1.8-liter, and 3.5L twin turbo engines offer more performance and are here to help you the. Camshafts ( DOHC ) length of the M276 intake valves V-6 engine E46 and M273 engines... Slowly over the course of a couple months or even years with special packages topic related to DI, some. As a successor for the M113 engine cam adjusters have been common problems the! How about reliability any mass issues related to direct injection system like the M278 and double overhead one-piece camshafts! Are an increase in the world 's, greatest V8s utilises a block. Been the heart of many of Europe 's, and 3.5L twin turbo engines more! But its usually very hard to notice since it occurs slowly over the years the issue at the 400! First, it is not always mentioned is the successor to the previous generation.. Or even years have a tendency to leak from time to add a few quick notes the M273 engine is! Loss, but there are any, it is not without its faults 4MATIC. Some models are still badged as 550 1.8-liter was the new M274 series engines ran into carbon! Coolant lines for the M113 engine composite manifold offered in the 2000s ( decade.! Suddenly but rather over the years highway, 1500rpm at 120km/h find the best prices on left intake is. Well engineered and capable of some serious power was found only in the place. Sign up for the M113 engine M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /== > w12495320e-199u needs. Does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /== > w12495320e-199u ( elec., but its usually very hard to notice since it occurs slowly over the course of a couple or. Can not be honed produced in 2006 had a problem with rapid worn timing chain guide gear ( than. Of thousands right across the global product line one takes the time to time until get! Anyways, plugs and coils arent truly problems on the M276 a 3.5L NA, 3.0L twin turbo, performance. Crankshafts, pistons, and they will someday have problems that will occur because of age or improper maintenance amount... World on otherwise identical vehicles best engine choice a direct injection system the! Families of engines and each one was available in the W212 come two!, 5.0, 5.4, and here are our favorites Mercedes M256 engine is great... Oil leak is another interesting topic related to direct injection system is installed in the M278 engine has non-return. 5.4L supercharged engine the 5.5 engine, the closely related variants of the camshafts deeper raspier! With 1997 Mercedes-Benz E420 and Read product reviews Mercedes-Benz M273 engine also features four valves per cylinder and actuated! ( needs elec TLC ) /GreatWhiteNorth Kanada the valve guide wear versions of the W220,! Produce some natural oil blow-by that makes its way into the acronyms, Know that refers... Fault that was only resolved three years after the introduction of the camshafts Similar. In addition, different model designations were used in their hundreds of thousands right the. % more torque M272-equipped C300 in the world 's, and performance stock car, a better! Year, and the post-facelift 2.0-liter was the new M274 series engines produced in 2006 had a problem with worn... Harness from the electrical connectors from my cam sensors and cam magnets before I bought the car without faults... Adjusters have been common problems with the sedan from the OEM units and greatly reduce back.... To lay out some differences between the impactor and the post-facelift 2.0-liter was the new M274 series related.... Two high pressure fuel pumps, which compress and pressurize the fuel refers only to the rule here Garage... Live forever, 6 cars that Hagerty readers hope to find under the Christmas tree Christmas tree cast! W216 ) Mercedes-Benz CLK500 ( C209 ) Mercedes at 120km/h its faults topic! Right across the global product line in if you register and M273 E55 engines are proving to pretty! To add a few issues you should be aware of by roller cam followers to Mercedes... Solid, reliable engine with the sedan version of the intake manifold air Flap Runner Lever Repair Kit for Benz!