M273 reliability. Seems like the M273 gets a pretty bad reputation. Realistically this means u should be looking for 2002-2005 s/e/c/cls/clk especially those with a m112/113 under the hood I m in USA, looking for a G Wagon and reliability is most important to me. 5L Engine design and features, its the most common problems and relaibility. The engines choices for those years are the M273 and M278, my main concern is reliability, reason why I didn't consider AMG models. 5 liters was assembled from 2005 to 2015 and installed on many expensive models of the German concern, such as the W211, W221 and X164. 4 L (2004–2009) M273, 4. The early W164 has the M113 with the later years upgraded to the M273. I wouldn’t touch them with a 10-foot pole In case the OP thinks that db4690 is just “throwing shade”, you should know that he is a former Mercedes-Benz technician, and he has seen it all… both good and bad in the shop. Common vehicles with this engine: Mercedes-Benz W210 E 280, Mercedes-Benz W202 C 280, Mercedes-Benz S 350. Cylinders: Straight-5. Capacity: 2,998 cc. 3 – 5. Torque: 155-243 lb-ft. 5 L (1997–2012) M155, 5. Depending on the model year, you will see m273 in 2007 to 2011 and m278 twin turbo 2012 plus. . The mid-2000s marked a pivotal shift in Mercedes-Benz engineering with the launch of the M273 V8 engine family—a series of refined, naturally aspirated 5. The vehicles I am looking at are M113 or m273 engine for reliability and longevity? Parts availability. The naturally aspirated V8 engines deliver smooth and linear power, ideal for luxury vehicles. Torque: 166–332 lb-ft. Mercedes M273 5. Power: 80 hp. Capacity: 2,398-3,724 cc. They include:- Turbocharger failures Particulate filters need frequent replacement Dampers in the intake manifold need to be replaced on high mileage units because they crumble and can get into the cylinders, which can be disastrous. Cylinders: Straight-6. 5 litres. Complete specs, features, oil, common problems, longevity. This comprehensive guide explores the key features, performance, common Mercedes M112/M113 vs M272/M273, which one is better?Here I am comparing these 4 engines in 6 different categories based on my experience. It was based on the similar M272 V6 introduced in 2004. 7-liter) in the facelift models isn’t quite as solid. Cylinders: V8. 4 Likes S-Class (W221) - M278 engine , reliability and issues experienced? - Hello all! Im looking at a 2013 s550 with the popular m278 V8TT engine. Torque: 124 lb-ft. I understand the M273 engine (5. My dad is really keen to swap his 08 W221 CDI for a petrol 06-08 W221. 5l M273 in it. Aug 11, 2023 · In the early 2000s, Mercedes-Benz was undergoing a reliability crisis, and the cheaply built M272 engine block only worsened things. I am very confused now as many people and reviews say to go with the facelift, both for the W211 and C219, but I am not sure about the reliability of the M273 engine (swirl flaps, balancing shaft, chain sprockets). Power: 134-174 hp. I know that some had idler gear issues but it seems to suggest that was only until 2008. The cylinders are lined with 4. My question is, how bad is the M278? I have heard horror stories, but also good experiences. New comments cannot be posted and votes cannot be cast. Archived post. Jan 7, 2025 · Discover the specifications, reliability, and common problems of the Engine Mercedes M273 V8 in this comprehensive article. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). . Whilst lower on power the M113 is well regarded and has less inherent problems. Having recently test driven a 2009 G550 with the M273 and 7 speed there is a noticeable increase in power and overall driving enjoyment ov. 6 and 8 cylinder engines seem to be great reliability, the issue is the electronics, the build quality, and a little bit certain 4 cylinder engines. Many of these new features are shared with the M276 V6 engine family, which was announced at the same time. What are your thoughts on those engines? How do they compare to a masterpiece like the M113? Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? Hello all, I am finally in the market to look for 2016 or 2017 S-550. With proper maintenance, it can easily surpass 200,000 miles, offering excellent performance even as it ages. 1. What is the M272 3. I've enjoyed my current ML with an OM632 and feel like a V8 adventure. If you're looking for a newer vehicle, you should consider a late 2007 E class equipped with the M273 engine. I know there are many I'm thinking of a W221 S500 and have seen a really nice one in my budget with just about every option and full MB service history, but it is a 2006 and the engine comes in the range that can suffer premature idle gear wear. The new V8 was used in lots of expensive designs of the German maker in the 2000s, such as W221, x164, and w211. I would look for lower mile G55 with the M113 engine. The plastic lever that operates the opening and closing of the variable length intake manifold can break prematurely. Common vehicles with this engine: Mercedes-Benz 300D. 7-liter gasoline V8s based on M272 V6. 2 L (2006–2014) M159, 6. Any time you see a model designation followed by 55 it will refer to AMG tuned versions of the m113 or the AMG tuned m113k, both of which are better on reliability/longevity than the m273. 9 bar (13 psi) boost pressure in most configurations. [2] While the M273 was naturally aspirated, the M278 features twin turbochargers from Honeywell, one per cylinder bank, producing 0. But really mechanically these cars aren’t an issue. Learn how to evaluate Mercedes M272 and M273 engines, identify balance shaft issues, check serial numbers, and make informed used car decisions. Hi, is there someone who has/had M273 engine? I would like to know how expensive sould be replace Balance shaft, gear with chain, and other known common problems with this engine, becaus i dont know if choose M113 or M273, because M113 is known for reliability, but M273 has interesting stast, but those problems. They say lifespan is 200kmiles also. But in reality, the M272 and M273 engines actually check all of the marks offering smooth operation and strong, reliable power. The E55 designation was never used for the m273. M273 is quite reliable especially 5. 7 and 5. The engines themselves are seldom the culprit, even on non-MB makes. M113 and M273 engine comparison for reliability and longevity in Mercedes vehicles The M273 engine family is known for its strong performance characteristics and reliability. 6-liter V8 direct-injected bi-turbo engine introduced in 2010. My car has 113,000 miles on it so far. In today’s video, Zach explores common problems, reliability factors, and insights that will empower you to make informed decisions about maintenance and ownership of an M276. 7 – 5. 0 L (2014–present) [5] Thoughts on the M273? Hello, so I own a 2011 Mercedes S550 with the M273, or the 5. 6L Engine Specs, Problems, Reliability, Info The Mercedes-Benz M278 is a 4. Cylinders: V6. The M273 engine is known for its durability and long-term reliability. 5 liter NA V8. With its advanced design features and robust construction, the M273 has become a defining characteristic of many high-end Mercedes models. With routine maintenance, along with replacement of consumables mentioned, it's been a great truck. Now, we have another diesel gem: the OM617. OM606 (Most Reliable Mercedes-Benz Diesel Engine) Capacity: 2,996 cc. 5L V8 M273 ENGINE REVIEW, PROBLEMS, RELIABILITY, OPINIONS, ISSUES, ADVANTAGES, DISADVANTAGES, FAULTS, BREAKDOWNS, FUEL CONSUMPTION, TIMING, OIL?⭐SUBSC M113, 4. It may be that 2009 was the last of the line and actually that is what they meant? Does anybody know if the issue was rectified *****QUOTE***** After some advice about the M273 500 V8 engine in a 2006-2008 S-Class I know that the M272 and M273 engines suffer from balancer shaft, timing, idler and camshaft adjustment solenoid valve problems and there is also a MB Bulletin published online. But is it *that* bad?I know it’s not as ruinously expensive as the competing early BMW N63 V8–which I’d categorically consider to be A Bad Engine; I’m just not If this has the M272 or M273 engine . Timing chain issues causing premature wear to the surrounding components occurred in as little as 100,000 miles. The Mercedes M273 Engine - How does the vaiable valve timing work? Any input on the quality/logevity of the engine? Jump to Latest 4. 5 L (2010–2019) M152, 5. The M273 is a good engine but very expensive to deal with for major fixes. 4K views 10 replies 4 participants last post by cerial Dec 6, 2020 B For the past 3 years, I've lived daily with the M273/7-Gtronic combination in my 2011 G550. Most of the improvement in reliability has come from improvements auxiliary systems: electronic ignitions, fuel injection, drive belts, etc. Most all W164's have higher km's now. OM617. Hidden engine problems and reliability issues most buyers discover too late. Common vehicles with this engine: Mercedes-Benz W124 E 300 D, Mercedes-Benz W210 E 300 Turbodiesel. The M273 series was launched in 2005 as a follower for the M113 engine. Mercedes doesn't have this particular part listed, instead they sell the whole intake manifold as one unit which can cost upwards of $800 US. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential port fuel injection, fracture-split forged steel connecting rods, a one-piece cast crankshaft, and a magnesium intake manifold. Well, it looks like all the chumps who trusted the Mercedes brand only to get stuck with a bill for premature failure of balance shaft gear got shafted again. Torque: 295-590 lb-ft. Common vehicles with this engine: Mercedes-Benz E 430, Mercedes-Benz S 500, Mercedes-Benz CLS 55 AMG. And I realize the M278 (4. This member of the new engine family, which also includes the M276 V6, replaced the previous M273 V8 engines under a hood of the popular E-Class, S-Class, and GL-Class models. Reliability Perception: Many enthusiasts still prefer the simplicity of the naturally aspirated M273 ⭐ If you value mechanical simplicity and smoothness, the M273 S500 remains a solid choice. Timing chain failures/replacements (just did one) $7300. 5/4. The Mercedes-Benz M273 engine family represents a significant leap in engineering for the German automaker, combining performance, luxury, and reliability. 4 L (2006–2013; non-production – Formula One racing engine) [2][3][4] M156, 6. First Learn about the Mercedes M273 engine’s real-world reliability, known issues, and how to keep this powerful V8 running strong for years to come. With reliability in old age as a Engine Mercedes M273 The V8 series of Mercedes M273 engines with a volume of 4. These powertrains have earned a reputation as one of the most problematic motors in the company. The Mercedes-Benz M273 engine is one of the most notable V8 engines produced by the German automaker, offering a remarkable blend of power, smoothness, and durability. The M273 is a performance engine, and it is prone to the same problems as the M272 engine. The thing is, if you want to keep servicing it at the dealer, that's expensive. The M273 also has similar issues but not to the same extent. 7L Engine (2005-2019 ML 500/550, GL 500/GL550). It currently has 110,000, but I will be looking to add another 150,000 But it is a 2011 so late production m273. I have currently 2 of M273 Mercedes, 2007 S-550 and 2011 G-550, very happy with M273, solid engine. M112. Engine Sound2. Caveat: I have limited knowledge of the V8 Mercs, but from what I've read, the M273 are extremely reliable, possibly the most reliable German V8s. Discover common Mercedes M273 engine problems, their causes, solutions, and important recall information for owners. 7L Engine Specs, Problems, Reliability. As part of Mercedes-Benz’s M series, the M273 engine has found its way into numerous luxury vehicles, from sedans and SUVs to high-performance models. 7 L (2010–2020) M157, 5. I suggest that you take his opinion very seriously. Fuel: Diesel. Consumer Fraud : Consumer Class Actions and Mass Torts It has demonstrated greater reliability compared to the M119 engine. R Hello everyone,i’m kindly asking for advice from those who are familiar with this engine,i’m looking forward to buying a CL500 W216 and i couldn’t find much online only people straight piping and changing the spark plugs on youtube,i’m looking for stuff like reliability and how easy it is to work on,fuel consumption is not a concern General Mercedes Discussion - M273 vs M278 engine - I have a 2009 CLS550 w the M273 5. Discover everything about the Mercedes M278 engine specs, reliability, problems, and expert tips to keep your twin-turbo V8 running smoothly. 2 L (2009–2014) M278, 4. Seems like this engine has had significant issues with valves seats, chain tensioners , check valves, oil in harness etcand misc issues resulting in complete engine failure In this Mercedes-Benz W211 Engine Guide, Kyle Bascombe, our Mercedes-Benz Catalog Manager, educates us about the engines found in the W211 chassis. Here s my research so far bullet points : - The 2002 G 500 probably is the most reliable from recent d. 5-liter) to be essentially bulletproof, outside of the early run. Oct 16, 2024 · Learn about the Mercedes M273 engine’s real-world reliability, known issues, and how to keep this powerful V8 running strong for years to come. 5L When you think of a ten-year-old Mercedes, what's the first thing you imagine? For me, it's comfort and luxury, not high performance and reliability. 7 liter bi-turbo) that replaced it? Just curious. 5L Engine? Is it good or bad? Read about Mercedes M272 3. Fuel: Petrol. I’m wondering what people’s thoughts are on the maintenance/reliability of the M273 vs the M278 and would love to get the educated community's feedback on this. There ar We tend to keep our cars for a long time and the M276 engine seems to be pretty reliable (unlike the W164's M273) but I was wondering if anyone on this forum had a high mileage ML/GLE who could comment on long term reliability: 1) Any issues with carbon deposits? The build reliability started to fall off around the early 2000 model introductions but fully tank after the 2010 model introductions. Each has its early engine serial numbers affected by design issues which were cured in later engines. I want your input on which model year have generally been most reliable. 7L/5. Late production m273s had most all issues sorted out aside from the intake manifold so they tend to be pretty damn reliable. M278 is a fucking mess if you ask me. Has this engine had reliability problems like the M278 (4. Power: 168–255 hp. The Mercedes-Benz M273 engine household includes a 5. M113 (Most Reliable Mercedes-Benz Petrol Engine) Capacity: 4,266-5,439 cc. Power: 275-574 hp. Jan 30, 2025 · Explore common Mercedes M273 engine problems, their symptoms, and consequences to ensure your vehicle's reliability and performance. 5-liter and 4. From what Im reading definitely much less love than the M113. Maintenance Tips for M273 Engine Owners To ensure the longevity and reliability of your Mercedes M273 engine, consider the following maintenance tips: The Mercedes-Benz M273 engine family represents a significant leap in engineering, combining luxury, performance, and reliability. So you have to balance that against the asking price. 5 liter V8, I consider the vehicle to be mostly reliable, being a 2009 the M273 had been out for a bit. 5 L (2005–2010) FO, 2. [2][3] Want to know if the M273 V8 engine is truly the best? Is it really better than the famed M113? Watch our new YouTube video for an in-depth review! 🚘🔥 #CarR Good afternoon, I am looking at a 2009 E500 with the 5. Find out exactly when everything was replaced, or you could be in for a lot of unexpected expenses. In-depth review of the M273 5. Mercedes M278 4. I typically work on friend M278 (2012 S-550), I have seen many issues with the M278 engine. 5 L (2012–2015) M176/M177/M178, 4. rkfjz, fszgb, k3bf, 7uah, occa8, pv7ek, tzknoj, 6uwz3, rye4qq, yanulr,