2022 MERCEDES-BENZ S-CLASS SALOON LONG Owners Manual

Driver's display
Driver's display with driver camera Indicator and warning lamps
Occupant saf
ety
6 Restraint system ( pag
e 584)

Occupant safety
Warning/indicator lamp Possible causes/consequences and
P Solutions
6
R estraint system warning
lamp * The restraint system red warning lamp is lit while the vehicle is on.
The restraint system is malfunctioning ( pag e 47). &
WARNING Risk of injur
y due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident. 
Have the restraint system checked and repaired immediately at a q
ualiNed specialist workshop. Plug-in hybrid:
&
DANGER Risk of f
atal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In the
e
vent of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suMer an electric shock if you touch the damaged components of the high-voltage on-board electrical sys-
tem. 
Have the restraint system checked and repaired immediately at a q
ualiNed specialist workshop. 
Aser an accident, switc
h oM the vehicle immediately. 
Drive on carefully. 
Note the messages on the driver's display. 
Consult a q
ualiNed specialist workshop immediately.584
Display messages and warning/indicator lamps

Warning/indicator lamp Possible causes/consequences and
P Solutions

Warning/indicator lamp Possible causes/consequences and
P Solutions
Ú
Sy stem error warning lamp * The red system error warning lamp is lit while the vehicle is in a state of operational readiness

Warning/indicator lamp Possible causes/consequences and
P Solutions
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 
Note the messages on the driver's display.
If the trailer hitch is swivelling: 
Wait until the ball neck has reached the operational position.
Ù
P ower steering warning
lamp (yellow) * The yellow power steering warning lamp is lit while the vehicle is running.
The power assistance or the steering itself is malfunctioning. 
Note the messages on the driver's display.
Ù
P
ower steering warning
lamp (red) * The red power steering warning lamp is lit while the vehicle is running.
The power assistance or the steering itself is malfunctioning. &
WARNING Risk of accident if s
teering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised. 
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tr
aPc conditions. Do not
continue driving under any circumstances. 
Consult a q
ualiNed specialist workshop. 
Note the messages on the driver's display. Display messages and warning/indicator lamps
587

Warning/indicator lamp Possible causes/consequences and
P Solutions
Ù
R ear axle steering warning
lamp (yellow) * The yellow rear axle steering warning lamp is lit while the vehicle is running.
The rear axle steering is malfunctioning. 
Note the messages on the driver's display.
Ù
R
ear axle steering warning
lamp (red) * The red rear axle steering warning lamp is lit while the vehicle is running.
The rear axle steering is malfunctioning. &
WARNING Risk of accident if s
teering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised. 
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tr
aPc conditions. Do not
continue driving under any circumstances. 
Consult a q
ualiNed specialist workshop. 
Note the messages on the driver's display. 588
Display messages and warning/indicator lamps

Engine
Warning/indicator lamp Possible causes/consequences and
P Solutions