See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

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 indic ...

Automatic emergency braking when a collision is imminent
The well-proven, radar based assistance systems from the S-Class are now also optionally available to Mercedes-Benz E-Class customers. A further development of the long-range radar sensor now has ...