See also:

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

ETS/4ETS (Electronic Traction System)
WARNING Observe "Important safety notes" Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and ac ...

Diesel Power
As if the R-Class' styling didn't make it unique enough, it's also one of the few models in the U.S. with an available clean-diesel engine. The diesel V-6 is rated 25 percent better in EPA-estimat ...