See also:

Checking tire pressure electronically
► Make sure that the SmartKey is in position 2 in the ignition lock. ► Press and hold the button on the multifunction steering wheel until the standard display appears in the mu ...

"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
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this devic ...