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:
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective pa ...
Jump-starting
WARNING
Failure to follow these directions will cause damage to the electronic
components, and can lead
to a battery explosion and severe injury or death.
Never lean over batteries wh ...
Safety systems
Display messages
Possible causes/consequences and
Solutions
Risk of accident
ABS (Anti-lock Braking System), ESP® (Electronic Stability
Program), BAS (Brake Assist) ...