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:
Coolant
Important safety notes
The coolant is a mixture of water and
antifreeze/corrosion inhibitor. It performs
the following tasks:
- corrosion protection
- antifreeze protection
& ...
Safety notes
WARNING
Work improperly carried out on electronic components and associated software
could cause them to cease functioning. Because the vehicle's electronic components
are interconnected ...
Product information
Mercedes-Benz recommends that you use
genuine Mercedes-Benz parts, conversion
parts and accessories that have been
approved for the type of vehicle.
Mercedes-Benz tests genuine parts as well as
...