Mercedes-Benz SL 2016 Operator's Manual page 186

Warning and indicator lamps
184
Driving systems
Problem
·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
A warning tone also
sounds.
Possible causes/consequences and M Solutions
You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
Be prepared to brake immediately.
X
Pay careful attention to the traffic situation. You may have to
X
brake or take evasive action.
Observe the additional information on DISTRONIC PLUS
( page 134).
Y
Observe the additional information on PRE SAFE
( page 75).
Y
®
Brake