Mercedes-Benz R-Class

The Mercedes-Benz R-Class is a series of German minivan cars produced by the Mercedes-Benz manufacturing company since 2005. The model is made in the USA. Changes in the design of the car took place in 2007. A rear-wheel drive version was added and the number of seat variations increased by 5, 6 and 7 people. In 2011, there were also changes to the car, more affecting its appearance. The vehicle is sold in the USA, Canada, Europe and China.

Engine M272 KE/DE 35

The M272 E 35 power unit was the evolution of the Mercedes V6 and was supposed to replace the M112 E32 and M112 E37. In addition to the 3.5-liter engine, the lineup includes the 2.5-liter M272 E25 and the 3.0-liter M272 E30. The development of the 272 series was carried out on the basis of the M112, which includes an aluminum BC with a camber of 90 degrees and 106 mm between the cylinders. Silumin steel piston liners with a diameter of 92.6 mm. And the new crankshaft received 86 mm of travel. The pistons and forged connecting rods are somewhat lighter.
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Engine M273 E55 / E46

The Mercedes M273 engine debuted in the S-class car in the fall of 2005 and was subsequently installed on the E-, S-, CLS-, R-, CL-, SL- and CLK-class models, as well as off-road vehicles of the ML, GL and G series. family of gasoline V-shaped 8-cylinder internal combustion engines from Mercedes-Benz. It is the heir to the M113 series. When creating the M273 E55 engine, the six-cylinder M272 E35 was taken as a basis, the cylinder block of which was modified for the V8 configuration, the cylinders increased in diameter, a long-stroke crankshaft was installed, the inter-cylinder distance remained the same – 106 mm. Continue reading Engine M273 E55 / E46

Engine M113 E50

The M113 E50 engine is an unusually lightweight, compact engine (unlike its predecessor M119) was a continuation of the line of three-valve M112 engines. The engineers added two more to the six cylinders and got the M113. Due to its compactness, it was installed on all rear- and all-wheel drive Mercedes models. Each cylinder has three valves (two inlet and one outlet), and in the M113 engine, the area of ​​the outlet valve is 30% less than the total area of ​​the two outlet valves in its predecessor, in addition, it has less weight (the rod is filled with sodium).
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