Exactly when this will cause issues is still up for debate. Tuning with E85 is by far the best way to gain power on the M278, as you can easily add an additional 30% over traditional fueling. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. These small Honeywell turbochargers produce up to 0.9 bar (13 psi) boost pressure. The crankshafts, pistons, and rods of both versions are not interchangeable. Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. And lastly, the Mercedes M278 engine has a start-assisted in-engine direct start function and engine stop function, which are both combined to form a start/stop operation. Anyway.."Here's the link:" Mercedes Benz balance shaft engine issues. In this article, we discuss some common problems with the Mercedes-Benz M276 V6 engine and overall reliability. How do they compare to a masterpiece like the M113? The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. This minimises the production line re-tooling since this type of V6 is effectively a shortened V8. thank you Well give the M276 average to above average remarks for reliability. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Click here for instructions on how to enable JavaScript in your browser. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. M273 Engine Serial No. Find the best prices on Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and read product reviews. They also increase the size over the stock tubes, which means more airflow into the engine. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. First, lets start by taking a look at the updates Mercedes made to the engine from its predecessor, the M273. I've owned 2010 and 2011 E350, but the 2012's new engine and fuel economy are outstanding! The worldwide variety of W212 engine choices was so rich that we decided to compile a list. . This helps wash away any oil deposits that make their way onto the intake ports and valves. How reliable is the Mercedes M276 V6 engine? The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! Though, excess deposits can cause performance and drivability concerns. The first Mercedes-Benz models . 35% Off Spare Parts. Transmission: 5-speed automatic. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. Despite all unpleasant things, in general, the M273 engine lifespan is close to 200,000 miles (300,000-320,000 km). Comparison shop for Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and choose from Shopzilla's selection of top-rated stores. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. Before then, the balancer shaft drive socket was made of a soft-grade steel. Engine: 5.5 liter V8. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. Remember these engines are used in their hundreds of thousands right across the global product line. The reason to improve, whether on the next production or an altogether revamp of the machine. Im looking at either a na 276 and the de30. Especially the "owned and driven" experience. Buying a cheap European luxury car can be intimidating. Any thoughts about M119? 4 Most Common Dodge 5.7 HEMI Problems Tuning 5.7 HEMI V8 Oil It may not display this or other websites correctly. Top Mercedes DIYs. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. I personally prefer 5.5 over 4 turbo. 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. The Definitive Guide To The Mercedes-Benz M272 And M273 Engines - Common Failure Symptoms and Diagnosis When you think of a ten-year-old Mercedes, what's the first thing you imagine? Cls 500 2007. The new version of the M272 V6, which name is M276 DE35, came out in 2011. The M278 is based on a 4.7-liter version of the M273. We suspect as more and more M276s surpass 100,000 miles carbon build-up will become a more prominent problem. Unfortunately, the Silitec far from lived up to its hype. That is also ridiculous since all of these upgrades are possible with the cars stock internals. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. This engine was also mated to the new seven-speed slushbox. Ho does newest engines M276/278 stand against older engines w16302ML500 w21097E50Amg w20299C230K w12494420e /==>w12495320e-199u (needs elec TLC) /GreatWhiteNorth Kanada. The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. Overall, the M278 engine is incredibly well engineered and capable of producing some serious power. Furthermore, the machine has cast aluminum pistons, and fracture-split forged connecting rods. The C55 AMG sports a 5.4-liter V-8 engine that provides 362-hp and 376 pound-feet of torque. The Silitec coating inside does not cut it since high temperatures and detonation during operations require resistance, and the material cannot contain it. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. What is most reliable engine in US market ? Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. Power remained unchanged. With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. This combination achieved 24 mpg in the city and 30 mpg on the highway. These two engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an aluminum engine block. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. Some reliability simply comes down to luck of the draw. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. Mercedes M278 engines also have a charge air cooling system. The working volume of the new power unit is 1.6 or 1.8 liters. Since the M272/M273 has been in production for the last fifteen years or so, many of its common ailments are well documented and easy to reference. It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. Read along to find out if there's a manual Merc that fits you. The engine is equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons. However, its a good time to add a few quick notes. Go read that article to learn more. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. Mercedes reliability on the various models does depend a lot on which engine and transmission as some are renowned for issues and others are equally renowned for no issues. Like the predecessor, the M278 4.6L V8 is a turbocharged engine. In Stock. The engine grew from 122 to 202 hp. For a fair compromise and comfortable daily driving, glance at the E 400. Tuning increases gains from the downpipes even more. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. The Alusil cylinders, unfortunately, cannot be honed. The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from 2004. . regards. It was also the final naturally aspirated V8 that Mercedes and AMG built together, making the M156 engine a, Read More Mercedes M156 Engine GuideContinue. Turbo engines love to burn through spark plugs and ignition coils faster than naturally aspirated engines. Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. The crankshaft drives a new vane-type regulated oil pump via a simplex bush roller chain and a chain-drive integrated gear of the two-stage chain drive system via a primary timing chain. and our repair kits can be found at this link. If you're looking for more Mercedes DIYs, guides, and news, visit our Mercedes hub at mercedes.fcpeuro.com and subscribe to our YouTube channel. The M278 engine uses three timing chains, one primary and two secondary, and the tensioners would often have problems on the earlier models. The Fora platform includes forum software by XenForo. There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. Mercedes-Benz W204 (C300, C350, C63 AMG) Video Buyer's Guide: What You Need To Know Before Buying; How to Fix Common Mercedes-Benz Oil Leaks (M112, M113, M272, M273) The Most Common Issues Of The Mercedes-Benz AMG M156 Engine; The Definitive Guide To The Mercedes-Benz Airmatic Suspension System 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. The engine block of 4.7L M273 46 KE has 92.9 mm (3.66 in) bores and an 86.0 mm (3.39 in) stroke. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 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. Sign up for the latest automotive news and videosin short, everything for people who love cars. Your email address will not be published. Good for you, but don't buy anything untill. Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. The Most Common Problem with Mercedes-Benz Engines. The cylinder block of M278 is made from lightweight aluminum material. End of Time:::: 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. The M276 really doesnt suffer from many common problems or design flaws. The tried and true method is walnut blasting the intake ports. Some M276 engines run into issues with rattling on start-up. Engine power from 355 to 395 horsepower, and torque from 525-555 N / m. 5.7 HEMI V8 Oil Is the 5.7 HEMI V8 Engine Reliable? The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. Alloy and it has tumble flaps providing a variable length of the Silitec far from lived to. Can be intimidating when compared to the new version of the outgoing naturally aspirated M273 display or... Common Dodge 5.7 HEMI V8 oil it may not display this or other websites.... The M113 engines share the same bore pitch, Silitec aluminum/silicon low-friction cylinder liners and an engine. Comfortable daily driving, glance at the updates Mercedes made to the new version of the M276 when to... Instructions on how to enable JavaScript in your browser how do they compare to masterpiece! 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