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:
Features
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using said advancements should be getting better. Mercedes has a few elegant
systems in cars like the S-Class and new C ...
Playback options
Further information on playback options is
available in the "Audio" section.
Select CD, DVD-A or MP3 using
the buttons on the remote
control and press the button to
confirm.
The ...
Deactivating cruise control
There are several ways to deactivate cruise
control:
Briefly press the cruise control lever
forwards 3.
or
Brake.
Cruise control is automatically deactivated if:
• you engage the electric ...
