Keyless-Go - Mercedes-Benz R-Class Owner's Manual

Display messages
232
Key
Display messages
+
Key does not
belong to vehicle
+
You need a new key
+
Change key batter‐
ies
+
Key not detected
(red display message)
+
Key not detected
(white display mes-
sage)
Possible causes/consequences and M Solutions
You have put the wrong key in the ignition lock.
X
Use the correct key.
The key needs to be replaced.
X
Visit a qualified specialist workshop.
The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries (
The KEYLESS-GO 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
Secure the vehicle against rolling away (
X
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.
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
Secure the vehicle against rolling away (
X
Operate the vehicle with the key in the ignition lock if necessary.
The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X
Operate the vehicle with the key in the ignition lock if necessary.
Y
page 73).
Y page 158).
Y page 158).