Mercedes's little cast iron block has gone on to be considered one of the best four-cylinder engines in the world for its durability and efficiency wrapped up in a tiny package. As a result, many C200 models sporting the M111 are still on the market today. What the M111 lacked in performance, it made up for with reliability. As a result, the M111 found itself in the W124 E200, C200, and CLK200 Mercedes models with a maximum output of 189 hp and 199 lb-ft of torque, as featured on the gutless C200 Kompresser sports cars. Mercedes-Benz created the M111 in 1992 the 2.0-liter four-cylinder had the impossible task of replacing the ever-dependable Mercedes OM617. Oil leakage from cam plugs, frequent breaking of the intake manifold plastic cover, timing chain problems due to balance shaft wear However, worst of all, they even ruined the glorious S-Class with the unruly M272. Mercedes-Benz had to fight off a class action lawsuit in 2010 relating to faulty components within the M272 V6 engine. As a result, permanent check engine lights and misfires are standard on M272-powered cars. Timing chain issues causing premature wear to the surrounding components occurred in as little as 100,000 miles. In the early 2000s, Mercedes-Benz was undergoing a reliability crisis, and the cheaply built M272 engine block only worsened things. Producing a maximum of 201 hp and 181 lb-ft of torque, the DOHC V6 was your typical A to B power plant, or it was supposed to be. Produced between 2004-2017 to replace the M112 V6, Mercedes unleashed the entry-level 2.5-liter M272 V6 found on base-level cars such as the C230 and E230 vehicles. Timing chain and fuel pump failure due to lack of periodic maintenanceĢ005-2011 Mercedes-Benz C-Class, 2005-2011 Mercedes-Benz E-Class Reliability Of Mercedes-Benz OM617 Engine This old Merc crossed the auction block with a whopping 782,000 miles on the clock, thanks to the OM617 housed within. A recent testament to Mercedes-Benz's reliability is the 1979 Mercedes-Benz 300TD wagon that went up for sale in recent years. Mercedes-Benz produced 2.7 million OM617 power plants over 17 years to cement the five-cylinder's stubborn reputation as one of the best diesel engines in the world. A five-cylinder engine to replace the outgoing OM616 quickly garnered a reputation for reliability, with many fleet vehicles approaching 620,000 miles as time passed. Produced between 1974-1991, Mercedes-Benz loaded their 300D with a cast iron 3.0-liter diesel engine known as the OM617. Let's look at the best and worse power plants housed within a Mercedes-Benz engine bay to explain their fluctuating reputation.ġ977–1981 Mercedes-Benz 300D, 1977–1981 Mercedes-Benz 300CD But there are a few that you should stay away from as well.Ĭompare that to luxury industry leaders Lexus, who average $7,786 to maintain one of their products over the same period. Mercedes, being a very old automaker, has managed to churn out some cool, reliable, and fun engines. Updated August 2023: We have updated this article with more reliable and unreliable Mercedes-Benz engines that you should be aware of. For example, a product from Daimler will cost consumers around $15,986 during its first ten years in action, regarding maintenance and repairs. Adding further fuel to the fire is maintenance costs. However, today a Mercedes-Benz product has a 35.87% chance of requiring major repairs during its first ten years of service this places them average among fellow luxury car brands. A Greek taxi driver, Gregorios Sachinidis, proved this by taking his 1976 Mercedes-Benz 240D over 2.8 million miles! Mercedes-Benz of the '70s and '80s regularly touted the phrase 'over-engineered' when marketing their products. The 190E became the C-Class we know and love today, while the W124 was renamed the E-Class in the early '90s. The 190E resulted from Diamler's £600 million project to produce the bulletproof W201 and set the foundations for the W124. In 1982, Mercedes-Benz unleashed its most reliable car ever, the 190E.
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