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:
Safety
Typical of full-size luxury cars, the CL-Class hasn't been crash-tested by
the Insurance Institute for Highway Safety, but it does have a boatload of
safety features. There are nine airbags, inclu ...
Seat belt adjustment
The seat-belt adjustment function adjusts the
driver's and front-passenger seat belt to the
upper body of the occupants.
The belt strap is tightened slightly when:
- you engage the belt tongue i ...
Setting the air distribution
Air distribution settings
Directs air through the
defroster vents
Directs air through the center
and side
air vents
Directs the airflow through the
footwell air vents
Directs the airfl ...
