Mercedes-Benz C-Class Coupe Operator's Manual page 234

Display messages
232
Display messages
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Obtain a New Key Obtain a New Key
Â
Replace Key Replace Key Battery
Â
Don't Forget Your Don't Forget Your
Key Key
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Key Not Detected Key Not Detected
(red display message)
Possible causes/consequences and M M Solutions
The SmartKey needs to be replaced.
Visit a qualified specialist workshop.
X
The batteries of the KEYLESS-GO key are discharged.
Change the batteries (
X
Battery
The display message is shown for a maximum of 60 seconds and
is only a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
Remember to take the KEYLESS-GO key with you when you
X
leave the vehicle.
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.
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 KEYLESS-GO key.
X
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.
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
Operate the vehicle with the SmartKey in the ignition lock.
X
page 77).
Y
page 151).
Y
page 151).
Y