Checking the battery
•► Press the 
or
button.
The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discharged.
•► Changing the battery
You can obtain the battery at a qualified specialist workshop.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the or
button locks or
unlocks the vehicle.
See also:
Additional systems for the ultimate in listening pleasure and entertainment
Mercedes customers can, if desired, combine the infotainment facilities for
the CLS with other systems:
The Logic7 surround sound system developed by Mercedes-Benz together with the
audio specia ...
Roadside Assistance
The Mercedes-Benz Roadside Assistance
Program offers technical help in the event of
a breakdown. Calls to the toll-free Roadside
Assistance Hotline are answered by our
agents 24 hours a day, 3 ...
Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if unpleasant odors are entering the
vehicle from outside. The air already inside the vehicle will then be recirculated.
WARNING
Fogged windows impair ...