See also:

Adjusting the four-way lumbar support
You can adjust the contour of the front seat backrests individually to provide optimum support for your back. Adjusting the four-way lumbar support 1 To raise the backrest contour 2 To soften ...

"Electronic crumple zone": even more safety in the M-Class
As ever, the best accident is one which does not happen at all. The safety engineers at the Mercedes Technology Center are working intensively on this rather simple sounding statement, which in pr ...

General notes
If the vehicle can no longer be locked or unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door or the trunk lid/ tailgate, th ...