Changing the battery
You require a CR 2025 3 V cell battery.
•► Take the mechanical key out of the SmartKey
•► Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens.
When doing so, do not hold cover 1 shut.
•► Remove battery tray cover 1.
•► Repeatedly tap the SmartKey against your palm until battery 3 falls out.
•► Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
•► Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
•► Insert the front tabs of battery tray cover 1 and then press to close it.
•► Insert the mechanical key into the SmartKey.
•► Check the function of all SmartKey buttons on the vehicle.
See also:
Important safety notes
Service products include the following:
- fuels (e.g. gasoline, diesel)
- additives for exhaust gas aftertreatment
(DEF)
- lubricants (e.g. engine oil, transmission oil)
...
Important safety notes
RACE START is only available in AMG
vehicles.
RACE START enables optimal acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
WARNING
RACE S ...
Front-end structure: crumple zone on four levels
Compared to the previous model series, the Mercedes engineers have further
enlarged the deformation zones substantially in the front and rear sections of
the new CLS, as well as improving the ener ...