2020 MERCEDES-BENZ S-CLASS SALOON LONG engine

Display messages
Possible causes/consequences and M
MSolutions
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Drive on.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
¸
ð
ç
Ä Currently unavailable
Radar dirty *F
ront and corner radar sensors and/or lidar (hereaf ter "senso rs") are malfunctioning. Possible causes:
R The sensors are dirty
R Heavy rain or snow
R Extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normal ly. #
Drive on.
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean all sensor co vers from outside (/ page 220). #
Restart the engine. 528
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
á
ð
Ä
¬
Ô currently unavailable Cam-
era dirty *T
he view of the multifunction camera is restricted. Possible causes:
R Dirt on the windscreen in thefield of vision of the multifunction camera
R Heavy rain, snow or fog
R Mist on the inside of the windscreen: in cer tain we ather conditions, mist can form onthe inside of the wind‐
screen during cold times of year in particular.
% This mist on the windscreen is remo ved automatically within a short time with the aid of a heater. The restric‐
tion is temp orar y.
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. The brake sy stem,
st eering and drive sy stem will continue tofunction normal ly. #
Drive on.
Once the causes of the problem are no longer present, the driving sy stems and driving saf ety sy stems will be avail‐
able again and the cor responding symbols will be switched off.
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra ffic conditions. #
Clean the windscreen, especially in the position of the multifunction camera (/ page 220). #
Restart the engine.
Driver camera view cur-
rently restricted See Own-
er's Manual *T
he visibility of the driver camera is reduced. Possible causes:
R Objects or sticke rs are projecting into the driver camer a’sfield of vision. Display messages and
warning/indicator lamps 529

Display messages
Possible causes/consequences and M
MSolutions
É Vehicle rising Please wait *T
hevehicle le vel is too lo w.The vehicle will be raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
Limited availability of
Active Parking Assist
manoeuvring assistant See
Owner's Manual *A
ctive Parking Assis t’s manoeuvring assis tant is temp orarily una vailable or only partially available. #
Clean all sensors of the parking and camera sy stem (/ page 356). #
Ifth e display message still appears, consult a qualified specialist workshop.
PARKTRONIC and manoeu-
vring assistant not availa-
ble at rear when towing a
trailer *W
hen you es tablish the electrical connection tothe trailer, there ar Parking Assist PARKTRONIC and manoeuv ring
assi stant will be una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
PARKTRONIC inoperative
See Owner's Manual *P
arking Assist PARKTRONIC is malfunctioning.
Once the cause of the problem is no longer present, the sy stem will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra ffic conditions and restart the engine. #
Ifth e display message still appears, consult a qualified specialist workshop. 532
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Active Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *A
ctive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Once the cause of the problem is no longer present, the sy stem will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra ffic conditions and restart the engine. #
Ifth e display message still appears, consult a qualified specialist workshop. Driving saf
ety sy stems Display messages
Possible causes/consequences and M MSolutions
!
÷ currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be temp orarily una vailable.
The brake sy stem will continue tooperate normally. Braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
The wheels may lock du ring braking and ESP ®
does not pe rform any vehicle stabilisation.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. Display messages and
warning/indicator lamps 533

Display messages
Possible causes/consequences and M
MSolutions
T
!
÷ inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
The wheels may block du ring braking and ESP ®
does not pe rform any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. Active Brake Assist Func-
tions currently limited See
Owner's Manual *
Ve hicles with the Driving Assistance Package or Blind Spot Assis t:Ac tive Brake Assi stwith cross-traf fic func‐
tion, Evasi veSteering Assist or PRE‑SAFE ®
PLUS are temp orarily una vailable or only partially available.
The ambient conditions are outside the sy stem limits (/ page243). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra ffic conditions and restart
th e engine. 536
Display messages and warning/indicator lamps

Battery
Displ
aymessages
Possible causes/consequences and M
MSolutions
# 12 V on-board electrical
system Visit workshop *T
he12 V on-board electrical sy stem is malfunctioning. #
Consult a qualified specialist workshop immediatel y.
#
Stop vehicle See Owner's
Manual *T
he12 V battery is no longer being charge d and thech arge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop. 538
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
# Switch on the engine to
charge the 12 V battery *T
he engine is off and thech arge leve l of the12 V battery is too lo w. #
Switch off electrical consumers that are not required.
To charge the12 V battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
# Stop the vehicle Leave the
engine running to charge
the 12 V battery *T
he12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a qualified specialist workshop.
Û Stop vehicle See Owner's
Manual *T
he 48 V on-board electrical sy stem is malfunctioning. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 539

Display messages
Possible causes/consequences and M
MSolutions
Û 48 V battery See Owner's
Manual *T
he 48 V on-board electrical sy stem has function restrictions. Comfort functions may be restricted. #
Consult a qualified specialist workshop immediatel y.
Ý
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, the driver dis‐
play will show theMotor can be started again display message. #
Start the engine. #
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: #
Tryto start the engine again. #
Ifth e engine does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. #
Switch off electrical consumers that are not required. 540
Displaymessa ges and warning/indicator lamps