Mercedes-Benz 2013 CL Operator's Manual page 389

Warning and indicator lamps in the instrument cluster
Safety systems
Problem
$ (USA only)
J (Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
Possible causes/consequences and M Solutions
There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions. Do not continue driving
under any circumstances.
Apply the electric parking brake.
X
Consult a qualified specialist workshop immediately.
X
Observe the additional display messages in the multifunction
X
display.
Do not add brake fluid. This does not correct the malfunction.
387
Z