Mercedes-Benz R-Class Problems
No car is perfect, but we've gathered everything relating to the Mercedes-Benz R-Class reliability here to help you decide if it's a smart buy.
R350 blowing smoke
I agree, it shouldn’t emit any black smoke. There’s definitely something wrong with it, take it back and have the dealership check the fuel system. If they object go straight to Mercedes-Benz and talk to the company’s customer assistance people.