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:
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 ...
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle ...
Important safety notes
WARNING
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before ...