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:
Adding DEF
WARNING
Make sure
- DEF does not come into contact with skin, eyes, or clothing
- to keep DEF out of the reach of children
If you and/or others have come into contact with DEF:
- If DEF has gott ...
Setting climate control to automatic
WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog up
more quickly. Window fogging may impair
visibility an ...
The bodywork: A first: frameless, all-aluminium doors
Intelligent lightweight construction plays a decisive role in bridging the
classic conflict of objectives between low weight and high strength in the new
CLS. The CLS is thus the first vehicle fro ...
