Differential lock

See also:

Folding the rear seat backrest forward
Fully insert the backrest head restraints (). Move the driver's or front-passenger seat forward if necessary. Pull left-hand or right-hand release handle 2 of the seat backrest forwards. ...

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 ...

Cleaning the wheels
Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...