Route guidance inactive

- Direction of travel
- Current road
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 ...
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 unti ...
Charging the battery
WARNING
Never charge a battery still installed in the vehicle unless
a battery charger unit approved by Mercedes-Benz is being used. Gases may escape
during charging and cause explosions tha ...
