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 the SmartKey and replace it if necessary.
•► Unlock the driver's door using the mechanical key.
•► Lock the vehicle using the mechanical key.
•► Have the starter battery and the battery contacts checked at a qualified specialist workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Rear fog lamp
To switch on the rear fog lamp: turn the SmartKey in the ignition lock
to position 2 or start the engine.
Turn the light switch to
or or
.
If the light switch is set to or
, the re ...
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 ...
Important safety notes
For reasons of safety, Mercedes-Benz
recommends that you drive with the lights
switched on even during the daytime. In some
countries, operation of the headlamps varies
due to legal requiremen ...