Important safety notes
WARNING
Batteries contain toxic and corrosive substances. If batteries are swallowed, it can result in severe health problems. There is a risk of fatal injury.
Keep batteries out of the reach of children. If a battery is swallowed, seek medical attention immediately.
Mercedes-Benz recommends that you have the batteries replaced at a qualified specialist workshop.
Checking the battery
■ Press the or
button.
The battery is working properly if battery check lamp 1 lights up briefly.
The battery is discharged if battery check lamp 1 does not light up briefly.
■ Change the battery .
If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the or
button:
• locks or
• unlocks the vehicle
You can get a battery at any qualified specialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
■ Take the mechanical key out of the SmartKey .
1 Battery compartment cover 2 Mechanical key
■ Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery compartment cover 1 opens. Do not hold battery compartment cover 1 closed while doing so.
■ Remove battery compartment cover 1.
3 Battery
■ 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 compartment cover 1 into the housing first and then press to close it.
■ Insert mechanical key 2 into the SmartKey.
■ Check the function of all SmartKey buttons on the vehicle.
Center console
Vehicles with ON&OFFROAD menu
Vehicles without ON&OFFROAD menu
and AMG vehicles
...
Defrosting the windows
Windows fogged up on the inside
► Activate the cooling with air
dehumidification function.
► Activate automatic mode .
► If the windows continue to fog up, activate
the defrost ...
Active Parking Assist
Important safety notes
Active Parking Assist is merely an aid. It is not
a replacement for your attention to your
immediate surroundings. You are always
responsible for safe maneuvering, parking
...