Checking the battery
- Press the 
or
button.
The battery is working properly if battery
check lamp 1 lights up briefly
If battery check lamp 1 does not light up
briefly during the test, the battery is
discharged.
- Changing the battery.
You can obtain the battery at a
qualified
specialist workshop.
If the SmartKey battery is
checked within
the signal reception range of the vehicle,
pressing the or
button locks or
unlocks the vehicle.
See also:
Multifunction display
Values and settings as well as display
messages are shown in the multifunction
display.
1 Time
2 Outside temperature or speed
3 Description field
4 Menu bar
5 Transmission position
For fur ...
Adjusting the brightness, contrast or
color
Select Source in the rear-compartment
screen and press the button on the
remote control to confirm.
Select Display Aux or Disk Drive Aux
and press the button to confirm.
Select Brightness ...
Roadside Assistance button
Press and hold Roadside Assistance
button 1 for more than two seconds. This initiates a call to the Mercedes-Benz
Customer Assistance Center. The indicator lamp in Roadside Assistance but ...