Mercedes-Benz 2013 C-Class Coupe Owner's Manual page 276

Display messages
274
Display messages
N
M
C
_
Front left seat
backr. not locked
or Front right
seat backr. not
locked
Possible causes/consequences and M Solutions
With the Hold function activated, you have either:
opened the driver's door and released the seat belt or
R
switched off the engine or
R
opened the bonnet.
R
A tone may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X
Shift the transmission to position P.
You can restart the engine.
The boot lid is open.
X
Close the boot lid.
Vehicles with an anti-theft alarm system: the bonnet is open. A
warning tone also sounds.
G
WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is a risk of an accident.
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
Close the bonnet.
At least one door is open. A warning tone also sounds.
X
Close all doors.
The driver's or front-passenger seat backrest is not engaged. A
warning tone also sounds.
X
Push the backrest back until it engages.
Y
page 169).