Mercedes-Benz SL-Class 2014 Owners Manual - Manual (Page 276)

Problem Possible causes/consequences and M M Solutions
ü
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.
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (
Y
page 64).
The warning lamp goes out.
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.
ü
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds.
The driver or front passenger has not fastened their seat belt. The
car is being driven faster than 15 mph (25 km/h) or has briefly
been driven faster than 15 mph (25 km/h).
X
Fasten your seat belt (
Y
page 64).
The warning lamp goes out and the intermittent warning tone
ceases.
There are objects on the front-passenger seat. The car is being
driven faster than 15 mph (25 km/h) or has briefly been 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.
274
Warning and indicator lamps
On-board
computer
and
displays