Checking the battery
- Press the or button. The battery is working properly if battery check lamp 1 lights up briefly
If battery check lamp 1 does not light up briefly during the test, the battery is discharged.
- Changing the battery ()
You can obtain the battery at a qualified specialist workshop.
If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the or button locks or unlocks the vehicle.
See also:
Controlling the rear-compartment
climate control automatically using the
front control panel
Turn the SmartKey to position 2 in the
ignition lock.
Activate the rear compartment
function via COMAND.
Rear-compartment climate control can be
controlled via the front control panel using ...
DEF refill bottle
DEF refill bottles can be obtained at many gas
stations or at an authorized Mercedes-Benz
Center. Refill bottles without a threaded cap
do not provide overfill protection. DEF may
leak if over ...
The electronic guardian angel: PRE-SAFE has a preventive effect
Occupant protection in the new Mercedes-Benz R-Class begins well before an
accident. The Mercedes-Benz invention PRE-SAFE is able to activate preventive
measures reflexively when it recognises the ...