Problems with the SmartKey
Problem | Possible causes/consequences and
![]() |
You cannot lock or unlock the vehicle using the SmartKey. | The SmartKey battery is discharged or nearly discharged.![]() ![]() ![]() If this does not work: ![]() ![]() |
The SmartKey is faulty.![]() ![]() |
|
You can no longer lock or unlock the vehicle using KEYLESS-GO. | KEYLESS-GO is in standby mode because the vehicle has not been
unlocked for an extended period.![]() |
There is interference from a powerful source of radio waves.![]() ![]() ![]() |
|
There is a malfunction with KEYLESS-GO.![]() ![]() ![]() ![]() If this does not work: ![]() ![]() |
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You have lost a SmartKey. | ![]() ![]() ![]() |
You have lost the mechanical key. | ![]() ![]() |
The engine cannot be started using the SmartKey. | The on-board voltage is too low.![]() ![]() ![]() If the engine does not start after several attempts: ![]() or ![]() or ![]() |
The engine cannot be started using KEYLESS-GO. The SmartKey is in the vehicle. | A door is open. Therefore, the SmartKey cannot be detected as
easily.![]() |
There is interference from a powerful source of radio waves.![]() |
See also:
Headlamp cleaning system
The headlamps are cleaned automatically if
the "Wipe with washer fluid" function is
operated ten times while the lights are on and
the engine is running. ...
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 vehicle a ...