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:
2011 Mercedes-Benz R-Class Review by Kristin Varela
What's a parent to do when they need to transport more than two or three
children (or adults for that matter), but they're not willing to make the leap
to a minivan and don't love the trucky feel ...
High-beam headlamps
•► To switch on the high-beam headlamps:
turn the SmartKey in the ignition lock to
position 2 or start the engine.
•► Turn the light switch to
or .
•► Press the combination ...
Automatic engine start
The engine is started automatically if you:
• release the brake pedal when HOLD is not
activated and the transmission is in
position D or N
• shift the transmission to position R
• depres ...