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

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Warning and indicator lamps in the instrument cluster

Display messages
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.
Safety
Seat belts
Warning/
N Signal type
indicator
Possible causes/consequences and M Solutions
lamp
ü
N After starting the engine, the red seat belt warning lamp lights up for six sec-
onds.
The seat belt warning lamp reminds the driver and front passenger to fasten their
seat belts.
Fasten your seat belt (
X
ü
N After starting the engine, the red seat belt warning lamp lights up. In addition, a
warning tone sounds for up to six seconds.
The driver's seat belt is not fastened.
Fasten your seat belt (
X
The warning tone ceases.
Possible causes/consequences and M Solutions
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 47).
Y
page 47).
Y
page 143).
Y
241
Z

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