SmartKey
Display messages
Key Does Not
Belong to Vehicle
Possible causes/consequences and ► Solutions
You have put the wrong SmartKey in the ignition lock.
► Use the correct SmartKey.
Display messages
Remove Key
Possible causes/consequences and ► Solutions
The SmartKey is in the ignition lock.
► Remove the SmartKey.
Display messages
You need a new key.
Possible causes/consequences and ► Solutions
The SmartKey needs to be replaced.
► Visit a qualified specialist workshop.
Display messages
Change Key
Batteries
Possible causes/consequences and ► Solutions
The batteries of the KEYLESS-GO key are discharged.
► Change the batteries.
Display messages
Don't Forget Your
Key
Possible causes/consequences and ► Solutions
The display message is shown for a maximum of 60 seconds and
is only a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
► Remember to take the KEYLESS-GO key with
you when you
leave the vehicle.
Display messages
Key Not Detected (Red
display message)
Possible causes/consequences and ► Solutions
The KEYLESS-GO key is not in the vehicle.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
► Pull over and stop the vehicle safely as
soon as possible, paying
attention to road and traffic conditions.
► Engage the parking brake.
► Locate the KEYLESS-GO key.
The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
► Pull over and stop the vehicle safely as
soon as possible, paying
attention to road and traffic conditions.
► Engage the parking brake.
► Operate the vehicle with the SmartKey in
the ignition lock.
Display messages
Key Not Detected (White display
message)
Possible causes/consequences and ► Solutions
The KEYLESS-GO key cannot be detected at present.
► Change the location of the key with the
KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
► Change the location of the key with the
KEYLESS-GO functions
in the vehicle.
► Operate the vehicle with the SmartKey in
the ignition lock.
Display messages
Key Detected in
Vehicle
Possible causes/consequences and ► Solutions
The KEYLESS-GO key has been detected inside the vehicle during
locking.
► Remove the KEYLESS-GO key from the
vehicle.
Display messages
Pull starting
button out then
insert key.
Possible causes/consequences and ► Solutions
The KEYLESS-GO key can continuously not be detected.
► Insert the SmartKey into the ignition lock
and turn it to the
desired position.
► Visit a qualified specialist workshop.
See also:
Problems with the side windows
Problem: a side window cannot be closed
because it is blocked by objects, e.g. leaves in the window guide.
- Remove the objects.
- Close the side window.
Problem: a side window cannot be closed
...
Product information
Mercedes-Benz recommends that you use
genuine Mercedes-Benz parts, conversion
parts and accessories that have been
approved for the type of vehicle.
Mercedes-Benz tests genuine parts as well as ...
Steering wheel paddle shifters
Steering wheel paddle shifters
1 Left-hand steering wheel paddle shifter
2 Right-hand steering wheel paddle shifter
In the automatic drive program, you can
restrict or derestrict the shift rang ...