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: ![]() ![]() |
|
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:
Dynamic function
The dynamic function adjusts the air cushions
in the side bolsters of the seat backrests to
ensure ideal lateral support at all times.
You can choose between two different levels.
Level 1 ...
Driving on flooded roads
Do not drive through flooded areas.
Check the depth of any water before driving
through it. Drive slowly through standing
water. Otherwise, water may enter the
vehicle interior or the engi ...
Cleaning genuine wood and trim elements
Wipe the wooden trim and trim pieces with
a damp, lint-free cloth, e.g. a microfiber
cloth.
Heavy soiling: use car care and cleaning
products recommended and approved by
Mercede ...