Changing the battery
You require a CR 2025 3 V cell battery.
- Take the mechanical key out of the SmartKey ().

- Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens. When doing so, do not hold cover 1 shut.
- Remove battery tray cover 1.

- Repeatedly tap the SmartKey against your palm until battery 3 falls out.
- Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
- Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
- Insert the front tabs of battery tray cover 1 and then press to close it.
- Insert the mechanical key into the SmartKey.
- Check the function of all SmartKey buttons on the vehicle.
See also:
Active Blind Spot Assist
Important safety notes
Active Blind Spot Assist uses a radar sensor
system to monitor the side areas of your
vehicle which are in back of the driver. A
warning display in the exterior mirrors d ...
Defrosting the windows
Windows fogged up on the inside
► Activate the cooling with air
dehumidification function .
► Activate automatic mode
.
► If the windows continue to fog up,
activate
the defr ...
Vehicle Overview
A brand-new model joined the Mercedes-Benz lineup for 2006. Dubbed a
four-door coupe, two versions of the CLS-Class are available, including a
high-performance, AMG-powered variant.
Beneath the ...
