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:
Roadside Assistance button
► Open the stowage compartment under the
armrest.
► Press and hold Roadside Assistance
button 1 for more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assi ...
Raising the vehicle
WARNING
When jacking up the vehicle, only use the jack
which has been specifically approved by
Mercedes-Benz for your vehicle.
The jack is designed exclusively for jacking up
the vehi ...
