SmartKey functions

See also:

Adjusting the exterior mirrors
WARNING   Exercise care when using the passenger-side exterior rear view mirror. The mirror surface is convex (outwardly curved surface for a wider field of view). Objects in mirror are ...

Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key. - Open the driver's door. - Close the front-passenger door, the rear doors and the tailgate. - Press the lockin ...

Safety
The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for Highway Safety, meaning it received the top score of Good in front- and side-impact crash tests, as well as for roof st ...