See also:

Resetting to factory settings
For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset when the vehicle is stationary. – Press the or button on the steering wheel to select the Setting ...

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. ...

Ride & Handling
The M-Class evokes the S-Class' driving experience in a few ways. For one, it feels especially substantial and planted when cruising on the highway, enhancing driver confidence and lowering drivin ...