General information
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
► Check the battery in the SmartKey and
replace it if necessary.
► Unlock the driver's door using the
mechanical key.
► Lock the vehicle.
► Have the starter battery and battery
contacts checked at an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.
See also:
Displaying the range and current fuel
consumption
Press the or
button on the
steering wheel to select the Trip menu.
Press the or
button to select
Range.
The current fuel consumption and the
approximate range are displayed.
The app ...
Setting the time zone and switching between summer and standard time
Select Vehicle in the main function bar by
turning the COMAND controller and
press to confirm.
Select System by turning
the
COMAND controller and press to
confirm.
Select Time b ...
The mbrace system
The mbrace system provides different
services, e.g.:
• automatic and manual emergency call
• Roadside Assistance call
• MB Info call
To adjust the volume during an mbrace call,
proceed as foll ...