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:
Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine
has cooled down.
Turn the SmartKey to position 2 () in the ignition lock. On
vehicles with KEYLESS-GO, press ...
EXTERIOR
With signature bright-eyed circular headlights, the E350 coupe appears alert
and ready for the day. The low window height added to the E350's sleek
appearance. Not to be mistaken for any other bra ...
Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or ...