Seat belts, Seat belt, On-board computer and displays – Mercedes-Benz C-Coupe 2012 Owners Manual User Manual
Page 229
Display messages
Possible causes/consequences and M Solutions
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Key Not Detected
(White display
message)
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 SmartKey in the ignition lock.
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Key Detected in
Vehicle
The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle.
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Remove 'Start'
Button and Insert
Key
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X
Visit a qualified specialist workshop.
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Close Doors to
Lock Vehicle
At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again.
Warning and indicator lamps in the instrument cluster
Seat belts
Problem
Possible causes/consequences and M Solutions
7
After starting the
engine, the red seat
belt warning lamp lights
up for six seconds.
The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
7
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds.
G
Risk of injury
The driver's seat belt is not fastened.
X
The warning tone ceases.
Warning and indicator lamps in the instrument cluster
227
On-board computer and displays
Z