Problems with the SmartKey
| Problem | Possible causes/consequences and
Solutions |
| You cannot lock or unlock the vehicle using the SmartKey. | The SmartKey battery is discharged or nearly discharged. - Try again to lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the /
button.If this does not work: - Check the SmartKey battery and replace it if necessary. - Lock or unlock the vehicle using the mechanical key. |
| The SmartKey is faulty. - Lock or unlock the vehicle using the mechanical key. - Have the SmartKey checked at a qualified specialist workshop. |
|
| You can no longer lock or unlock the vehicle using KEYLESS-GO. | There is interference from a powerful source of radio waves. - Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the /
button. |
| There is a malfunction with KEYLESS-GO. - Lock/unlock the vehicle using the remote control function of the SmartKey. Point the tip of the SmartKey at the driver's door handle from close range and press the /
button.- Have KEYLESS-GO checked at a qualified specialist workshop. If this does not work: - Check the SmartKey battery and replace it if necessary. - Lock or unlock the vehicle using the mechanical key. |
|
| You have lost a SmartKey. | - Have the SmartKey deactivated at a qualified specialist
workshop. - Report the loss immediately to the vehicle insurers. - If necessary, have the locks changed as well. |
| You have lost the mechanical key. | - Report the loss immediately to the vehicle insurers. - If necessary, have the locks changed as well. |
| The engine cannot be started using the SmartKey. | The on-board voltage is too low. - Switch off non-essential consumers, e.g. seat heating or interior lighting, and try to start the engine again. If this does not work: - Check the starter battery and charge it if necessary. or - Jump-start the vehicle. or - Consult a qualified specialist workshop. |
| 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. - Close the door and try to start the vehicle again. |
| There is interference from a powerful source of radio waves. - Start your vehicle with the SmartKey in the ignition lock. |
See also:
Important safety notes
WARNING
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
t ...
View through the camera
The area behind the vehicle is displayed as a
mirror image, as in the rear-view mirror.
WARNING
The rear view camera is only an aid and may
display obstacles
• from a distorted perspe ...
Displaying the details of a Bluetooth® device
In the Bluetooth® device list, select the
desired device by turning the
COMAND controller.
Select Options by sliding the
COMAND controller and press to
confirm.
Select Details and ...

Solutions
/
button.