Mercedes-Benz C-Clas 2016 Owner's Manual page 275

Display messages
272
Key
Display messages
Â
Key does Key does not not belong
to vehicle to vehicle
Â
Replace key Replace key
Â
Change key Change key batteries batteries
Â
Key not detected Key not detected
(white display message)
Â
Key not detected Key not detected
(red display message)
Â
Remove starting Remove starting but‐
ton, then ton, then insert insert key
Possible causes/consequences and M M Solutions
You have put the wrong key in the ignition lock.
Use the correct key.
X
belong
The key needs to be replaced.
Consult a qualified specialist workshop.
X
The key battery is discharged.
Replace the batteries (
X
The key is currently undetected.
Change the location of the key in the vehicle.
X
If the key still cannot be detected:
Insert the key into the ignition lock and turn it to the desired posi-
X
tion.
The key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle cen-
trally or start the engine.
Stop the vehicle immediately, paying attention to road and traffic
X
conditions.
Secure the vehicle against rolling (
X
Locate the key.
X
Press a on the steering wheel to confirm the display message.
X
Because there is interference from a strong source of radio waves, the
key is not detected whilst the engine is running.
A warning tone also sounds.
Stop the vehicle immediately, paying attention to road and traffic
X
conditions.
Secure the vehicle against rolling (
X
Insert the key into the ignition lock and bring into key mode.
X
The key is continually undetected.
The key detection function has a temporary malfunction or is faulty. A
but‐
warning tone also sounds.
key
Insert the key into the ignition lock and turn it to the desired posi-
X
tion.
Consult a qualified specialist workshop.
X
page 84).
Y
page 159).
Y
page 159).
Y