Warning Lamp - Mercedes-Benz S-Class Operator's Manual

Warning and indicator lamps in the instrument cluster
366
Warning/
N N Signal type
indicator
Possible causes/consequences and M M Solutions
lamp
X
X
X
X
X
X
Hybrid system
Warning/
N N Signal type
indicator
Possible causes/consequences and M M Solutions
lamp
é N The yellow RBS (recuperative brake system) warning lamp is on. In addition,
there may be a warning tone.
RBS is malfunctioning. Pedal travel may be longer than usual and braking
performance may be affected. The automatic engine switch-off function may
also be deactivated.
X
X
X
Leave the vehicle and keep a safe distance from the vehicle until the engine
has cooled down.
Check the coolant level and add coolant, observing the warning notes
( page 408).
Y
If you need to add coolant more often than usual, have the engine coolant
system checked.
Make sure that the air supply to the engine radiator is not blocked, e.g. by
snow, slush or ice.
At coolant temperatures below 257 ‡ (125 †), you can continue driving to
the nearest qualified specialist workshop.
Avoid subjecting the engine to heavy loads, e.g. driving in mountainous
terrain, and stop-and-go traffic.
G Risk of accident
Observe the messages in the multifunction display (
Drive on carefully.
Visit a qualified specialist workshop.
page 316).
Y