See also:

Tire pressure monitor warning messages
If the tire pressure monitor detects a significant pressure loss on one or more tires, a warning message is shown in the multifunction display. A warning tone also sounds and the tire pressure war ...

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 ...

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 ...