Mercedes-Benz SL 550 BlueEFFICIENCY, Operator'S Manual

Page: 258 / 572

Safety
Seat belts
Problem Possible causes/consequences and
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 51).
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. You
are driving faster than 15 mph (25 km/h) or have briefly driven
faster than 15 mph (25 km/h).
X
Fasten your seat belt (
Y
page 51).
The warning lamp goes out and the intermittent warning tone
ceases.
There are objects on the front-passenger seat. You are driving
faster than 15 mph (25 km/h) or 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.
256
Warning and indicator lamps
On-board computer and displays