Mercedes-Benz E-Class: Checking the battery - Smart Key battery - Smart Key - Opening/closing - Mercedes-Benz E-Class Owners ManualMercedes-Benz E-Class: 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.

    Important safety notes
    Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries o ...

    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 ...

    See also:

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