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:
Setting the airflow
► Turn the SmartKey to position 2 in the
ignition lock.
► To increase/reduce: press the
button.
Vehicles with Voice Control System: when the
Voice Control System is switched on, the
...
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
that have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Infrared reflective windshield
The infrared reflecting glass prevents the
vehicle interior from becoming too hot. It also
blocks radio waves up into the gigahertz
range.
Vehicles without Night View Assist Plus
1 Areas p ...