Display messages
Possible causes/consequences and
M
M
Solutions
Wiper malfunction‐
Wiper malfunction‐
ing
ing
The windscreen wipers are defective.
X
Consult a qualified specialist workshop.
Hazard warning
Hazard warning
lamps malfunction‐
lamps malfunction‐
ing
ing
The hazard warning lamps are faulty.
X
Consult a qualified specialist workshop.
Key
Display messages
Possible causes/consequences and
M
M
Solutions
Â
Key does not
Key does not
belong to vehicle
belong to vehicle
You have put the wrong key in the ignition lock.
X
Use the correct key.
Â
Replace key
Replace key
The key needs to be replaced.
X
Consult a qualified specialist workshop.
Â
Change key batter‐
Change key batter‐
ies
ies
The key battery is discharged.
X
Replace the battery (
Y
page 86).
Â
Key not detected
Key not detected
(red display message)
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
centrally or start the engine.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Safeguard the vehicle against rolling away (
Y
page 184).
X
Locate the key.
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.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Safeguard the vehicle against rolling away (
Y
page 184).
X
Insert the key into the ignition lock and bring into key mode.
Display messages
291
On
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