See also:

Air distribution settings
The air distribution can be set individually for the driver's and front-passenger sides. Directs air through the defroster vents Directs air through the center and side air vents Direc ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, press the ...

The Inside
There are some nice, high-grade materials in the R-Class' cabin, but it's showing its age and would have benefited from an update like the exterior received. The most disappointing part of the c ...