See also:

Unlocking the driver's door(mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigge ...

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 ...

Adjusting luxury head restraints
WARNING   When folding back the side cushions, never reach between the side cushion and the mounting post. You could otherwise be trapped. ► To adjust the side bolsters of the h ...