MERCEDES-BENZ S-CLASS SALOON LONG 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
5
Engine oil level Reduce oil
level * The engine oil level is too high.
* NOTE Engine damag e caused by driving with excess engine oil 
Avoid long journeys with excess engine oil. 
Consult a q
ualiNed specialist workshop immediately and have the engine oil level reduced.
5 Engine oil level Stop
Switch off the vehicle * The engine oil level is too low.
* NOTE Engine damag
e caused by driving with insuPcient engine oil 
Avoid long journeys with insuPcient engine oil. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Switch oM t
he vehicle. 
Add 1 l of engine oil (  pag
e 431). 
Check the engine oil level.
Notes on engine oil ( pag
e 494).580
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
5
Engine oil pressure Stop
Switch off the vehicle * The oil pressure is too low.
* NOTE Engine damag e caused by driving with insuPcient oil pressure 
Avoid driving with insuPcient oil pr
essure. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Switch oM t
he vehicle. 
Consult a q
ualiNed specialist workshop.
5
Engine oil level cannot be
measured * The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty. 
Consult a q
ualiNed specialist workshop. Warning and indicator lamps
Overview of indicator and warning lamps
Some systems will perform a self-test when the
v

ehicle is switched on. Some indicator and warn-
ing lamps may brieOy light up or Oash. This behav-
iour is non-critical. These indicator and warning lamps indicate a malfunction only if they light up
or Oash
aser t

he vehicle has been started or dur-
ing a journey. Display messages and warning/indicator lamps
581

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