Warning And Indicator Lamps In The Instrument Cluster - Mercedes-Benz C-Class 2018 Operator's Manual

Warning and indicator lamps in the instrument cluster

258
Display messages
Â
Don't Forget Your
Key
Â
Key Not Detected
(white display message)
Â
Key Not Detected
(red display message)
Â
Remove 'Start' But‐
ton and Insert Key
Warning and indicator lamps in the instrument cluster
General notes
Some systems carry out a self-diagnosis when the ignition is switched on. Therefore, some indicator
and warning lamps may light up or flash temporarily. This behavior is non-critical. These indicator
and warning lamps only indicate a malfunction if they light up or flash after starting the engine or
whilst driving.
Possible causes/consequences and M Solutions
The SmartKey is not in the ignition lock. You have opened the driver's
door with the engine switched off. A warning tone sounds
This display message is displayed for a maximum of 60 seconds and is
simply a reminder.
Take the SmartKey with you when you leave the vehicle.
X
The SmartKey is currently undetected.
Change the location of the SmartKey in the vehicle.
X
If the SmartKey still cannot be detected:
Insert the SmartKey into the ignition lock and turn it to the desired
X
position.
The SmartKey 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.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Locate the SmartKey.
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
SmartKey is not detected whilst the engine is running.
A warning tone also sounds.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Insert the SmartKey into the ignition lock and drive in SmartKey
X
mode.
The SmartKey is continually undetected.
The SmartKey detection function has a temporary malfunction or is
faulty. A warning tone also sounds.
Insert the SmartKey into the ignition lock and turn it to the desired
X
position.
Visit a qualified specialist workshop.
X
page 161).
Y
page 161).
Y