See also:

4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING&nb ...

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs: • the in ...

Panic alarm
- To activate: press button 1 for at least one second. An alarm sounds and the exterior lighting flashes. - To deactivate: press button 1 again. or - Insert the SmartKey into the ignit ...