Checking the battery

► Press the  or

► Press the button. or The battery is working properly if battery 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.

i If the SmartKey battery is checked within the signal reception range of the vehicle, pressing the button locks or or unlocks the vehicle. button locks or unlocks the vehicle.

    See also:

    Displaying navigation instructions
    In the Navi menu, the multifunction display shows navigation instructions. For more information, see the separate operating instructions. Switch on COMAND (see the separate operating instruction ...

    Warning and indicator lamps
    1 ABS 2 The lamp lights up briefly, but has no function. 3 Brakes (USA only) 4 ESP 5 Distance warning signal On vehicles without DISTRONIC, the lamp lights up briefly but has no functi ...

    COMAND, in conjunction with a Bluetooth- capable mobile phone, enables you to make calls via the Bluetooth interface. Using the Bluetooth interface and a suitable mobile phone, you can use t ...