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:
Functions with the forward/rewind F button
You can use the remote control to execute the same functions as the COMAND
control panel.
Mode
Function
Audio mode
Selects a station using the station search function
Sel ...
TWR (Tongue Weight Rating)
The TWR specifies the maximum permissible
weight that the ball coupling of the trailer tow
hitch can support. ...
Please bear the following in mind
Resetting the service interval display A qualified specialist workshop, e.g.
an authorized Mercedes-Benz Center, will reset the service interval display after
the necessary service work has been c ...