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 ...

Interior design in detail: From Economy to First Class
The third generation of the Mercedes-Benz M-Class combines the best of two worlds: the much-coveted SUV not only boasts a strong off-road vehicle heritage, but its passengers also benefit from lev ...

"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 ...