Mercedes-Benz SL-Class 2015 - Manual (Page 272)

Problem Possible causes/consequences and M M Solutions
ü
The red seat belt warn-
ing lamp flashes and an
intermittent audible
warning sounds.
The driver or front passenger has not fastened their seat belt. The
vehicle 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 54).
The warning lamp goes out and the intermittent warning tone
ceases.
There are objects on the front-passenger seat. The vehicle 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.
270
Warning and indicator lamps
On-board
computer
and
displays