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 trigg ...

Important safety notes
The use of seat belts and infant and child restraint systems is required by law in all 50 states, the District of Columbia, the U.S. territories and all Canadian provinces. Even where this is no ...

Switching on the manual drive program
The manual drive program is only available for vehicles with the dynamic handling package and for AMG vehicles. Manual drive program M is different from drive program S (in AMG vehicles, drive ...