What engine is in a Mercedes 240D?
The 240D diesel model was popular in the mid 1970s, just as the gas crisis took hold. Powered by a 2. D is indeed one of those Mercedes cars whose displacement and preferred fuel you could tell just by reading the badge—an era that has irretrievably faded into the past. While modest in power, the 240D excelled in fuel economy, achieving around 25-28 mpg combined, a standout figure for its time. The 240D’s simplicity and reliability made it a favorite among taxi operators and frugal buyers, though its leisurely acceleration limited its appeal for performance seekers.Mercedes-Benz: OM 651. CDi. The OM651 is a family of inline-four-cylinder Diesel engines introduced by Mercedes-Benz in 2008. The chief goal was to create a common engine design that maximised the parts commonality between the engines manufactured by parent company, Daimler. The Mercedes OM606 turbodiesel is celebrated for its extraordinary durability and dependability. Its iron-block construction, sturdy internal components, and well-engineered cooling and lubrication systems allow it to withstand harsh conditions and deliver long-term reliability.
How long do Mercedes 240D engines last?
A well-maintained Mercedes-Benz engine can typically last between 250,000 to 300,000 miles. Some engines, with meticulous maintenance and optimal driving conditions, have been known to exceed this range significantly. Diesel engines are often acceptable under 200,000 miles, provided you pay close attention to the truck’s overall condition. Most experts advise against buying a used truck with over 100,000 miles, as major repairs and the replacement of significant components may become a regular occurrence.The Average Lifespan of a Rebuilt Engine Typically, a well-rebuilt engine can last 100,000 to 150,000 miles or more, offering a lifespan comparable to a new engine. Modern diagnostics and machining tools have greatly improved the precision and reliability of rebuilt engines.On average, most car engines are designed to last between 150,000 to 200,000 miles. However, with the right care, many engines can last much longer, even up to 300,000 miles or more. In fact, there are numerous stories of vehicles reaching the 500,000-mile mark with their original engine still intact.That said, while most gas engines are intended to last at least 200,000 miles on average, a diesel truck that is well-maintained can potentially last 350,000 to 500,000 miles. Those used mainly for highway driving and carrying minimal loads will typically get closer to the top-end of the range.
Which old Mercedes diesel is best?
Most older Mercedes enthusiasts have their opinion on which chassis or model is the best. Two very high on most lists are the W123 chassis 240D and the 1982 to 1985 turbo diesel 123 models. There are others as well. The mid-80s saw Mercedes-Benz come into its own with the impenetrable W201 190E and W124 models, later known as the C and the E-Class sedans. Both vehicles are considered the most reliable cars ever made by Mercedes-Benz, and both drew power from the equally dependable 2. M103 motor.