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:
Important safety notes
WARNING
In order to help prevent spilling liquids on
vehicle occupants and/or vehicle equipment,
only use containers that fit into the cup
holder. Use lids on open containers and do
not f ...
Important safety notes
Have the batteries changed at a qualified
specialist workshop.
WARNING
Batteries contain toxic substances.
Swallowing batteries can lead to serious
health issues or death.
Keep batteries o ...
Important safety notes
Consult an authorized Mercedes-Benz Center
if you require information on approved and
recommended tires and wheels for summer
and winter operation. Advice on purchasing
and caring for tires is ...