See also:

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

The M-Class also protects its occupants after a crash
As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...

Step-by-step instructions
The following steps have been developed as required of all manufacturers under Title 49, Code of U.S. Federal Regulations, Part 575 pursuant to the "National Traffic and Motor Vehicle Saf ...