Mercedes-Benz C-Coupe 2012 Owners Manual - Manual (Page 230)

Problem Possible causes/consequences and M Solutions
7
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed. G Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt ( Y page 48).
The warning lamp goes out.
G Risk of injury
There are objects on the front-passenger seat.
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out.
7
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds. G Risk of injury
The driver or front passenger has not fastened their seat belt. In
addition, you are driving faster than 15 mph (25 km/h) or you have
briefly driven faster than 15 mph (25 km/h).
X Fasten your seat belt ( Y page 48).
The warning lamp goes out and the intermittent warning tone
ceases.
G Risk of injury
There are objects on the front-passenger seat. In addition, you are
driving faster than 15 mph (25 km/h) or you have briefly driven
faster than 15 mph (25 km/h).
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases.
228
Warning and indicator lamps in the instrument cluster
On-board computer and displays