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. | There is interference from a powerful source of radio waves.![]() ![]() ![]() |
There is a malfunction with KEYLESS-GO.![]() ![]() ![]() ![]() If this does not work: ![]() ![]() |
|
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 this does not work: ![]() or ![]() or ![]() |
The engine cannot be started using the SmartKey. | The steering lock is mechanically blocked.![]() |
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:
Showing the distance display
This function is only available with
DISTRONIC PLUS.
– Press the or
button on the
steering wheel to select the DriveAssist
menu.
– Press the or
button to select
Distance Display.
– Pr ...
Setting the language and audio format
This function is not available on all DVDs. If it
is available, you can set the DVD menu
language, the audio language or the audio
format. The number of settings is determined
by the DVD conte ...
Important safety notes
WARNING
It is dangerous to shift the automatic
transmission out of parking position P or
neutral position N if the engine speed is
higher than idle speed. If your foot is not firmly
on th ...