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.
i 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:
DISTRONIC PLUS displays in the
multifunction display
General notes
You can select the distance display in the
Assistance menu of the onboard
computer.
Display when DISTRONIC PLUS is
deactivated
Select the Distance Display function
using the ...
Low-beam headlamps
To switch on the low-beam headlamps: turn the SmartKey in the
ignition lock to
position 2 or start the engine.
Turn the light switch to .
The indicator lamp on the light
switch
lights up. ...
GAWR (Gross Axle Weight Rating)
The GAWR is the maximum permissible axle
weight. The actual load on an axle must never
exceed the gross axle weight rating. The
gross axle weight rating can be found on the
vehicle identificat ...