stop start MERCEDES-BENZ S-CLASS SALOON LONG 2021 Service Manual

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or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Traffic Sign Assist currently
unavailable See Owner's
Manual *
Tra1c Sign Assist is temp orarily una vailable.
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
Traffic Sign Assist inopera-
tive *
Tra1c Sign Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 298).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle. 544 544
Displ
aymessages and warning/indicator lamps

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es Possible causes/conseq
ossible causes/consequences and uences andM
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Solutions
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 302).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
545 545

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ossible causes/consequences and uences andM
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Solutions
¸
ð
ç
Ä
temporarily unavailable
Sensors dirty *F
ront and corner radar sensors (hereaTer "sensors") are malfunctioning. Possible causes:
R The senso rsare dirty
R Heavy rain or snow
R Extended country driving without other tra1c, e.g. in the desert
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean all sensor co vers from outside (/ page 267). #
Restart theve hicle. 546 546
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
á
ð
Ä
¬
Ô
temporarily unavailable
Camera view restricted *T
he view of the multifunction camera is restric ted. Possible causes:
R Dirt on the windscreen in the /eld 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 windscreen
during cold times of year in particular.
% This mist on the windscreen will be remo ved automatically within a short time with the aid of a heater. The restric-
tion is temp orar y.
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean the windscreen, especially in the position of the multifunction camera (/ page 267). #
Restart theve hicle. Displ
aymessages and warning/indicator lamps
547 547

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Limited availability of
Active Parking Assist
manoeuvring assistant See
Owner's Manual *A
ctive Parking Assist ’smanoeuv ring assistant is temp orarily una vailable or only partially available. #
Clean all senso rsof the parking and camera system (/ page 433). #
Ifth e display message still appears, consult a quali/ed specialist workshop.
PARKTRONIC and manoeu-
vring assistant not availa-
ble at rear when towing a
trailer *W
hen you establish the electrical connection tothe trailer, there ar Parking Assist PARKTRONIC and manoeuvring
assistant will be una vailable. #
Press the leT-hand Touch Control and ackno wledge 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 system will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message still appears, consult a quali/ed specialist workshop.
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 system will be available again. #
Continue driving while paying attention totheve hicle's sur roundings.
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. Displ
aymessages and warning/indicator lamps
553 553

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es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Brake Assist Func-
tions limited See Owner's
Manual *F
orvehicles with the Driving Assistance Package, thefo llowing functions may be temp orarily una vailable or only parti-
ally available:
R Active Brake Assist with cross-t ra1c function
R Evasive Steering Assist
R PRE‑SAFE ®
PLUS #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. Mer Mer
cedes-Benz emerg
cedes-Benz emerg ency call syst
ency call system
em Displa
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ossible causes/conseq uences and
uences andM
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G
Inoperative *T
he Mercedes-Benz emer gency call system is malfunctioning. The Mercedes me connect system is also malfunction-
ing. #
Consult a quali/ed specialis two rkshop. 558
558
Displ
aymessages and warning/indicator lamps

Displa
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Solutions
#
Start the vehicle to charge
the 12 V battery *T
hevehicle is o. and the state of charge ofthe 12 V battery is too lo w. #
Switch o. elect rical consume rsthat are not requ ired. #
Drive for 30–60 mins.
or #
Char gethe 12 V battery when stationary (/ page 448). #
Plug-in h Plug-in h ybr
ybrid:
id:Char getheve hicle at a charging station (/ page 241).
#
Stop vehicle Leave vehicle
on to charge the 12 V bat-
tery *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavetheve hicle running #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Û Stop vehicle See Owner's
Manual *T
he 48 V on-board elect rical system is malfunctioning. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Switch o. the engine. #
Consult a quali/ed specialist workshop. 560 560
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
h
Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the di.erence in tyre pressure between the individual
wheels is toogr eat. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring system (/ page 465).
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenl y.The wheel position will be displa yed. &
W
WARNING
ARNING Risk of an accident from driving with a 0at tyre
R The tyres can overheat and be damaged.
R The driving characteristics as well as the steering and braking characteristics may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a 0at tyre. #
Do not exceed the maximum permissible driving distance in emer gency mode and the maximum permissible
speed with a 0at MOExtended tyre. #
Obser vethe no tes on 0at tyres. No
tes in theev ent of a 0at tyre (/ page 439). #
Stop theve hicle in accordance with the tra1c conditions. #
Check the tyres. 564
564
Display messages and
warning/indicator lamps

¢
Max. speed 20km/h..................... 551
ð Maximum speed exceeded ............ 540
ç O................................................. 539
ë O................................................. 537
ï Operation only possible in
transmission position P .......................... 516
! Parking brake See Owner's
Manual..................................................5 33
! Parking brake Switch on vehicle
to release.............................................. 536
È passive......................................... 538
d Performance se verely limited........ 513
Ý Please wait 48 V battery charg-
ing......................................................... 561
6 Please wait Depressurising fuel
ta nk....................................................... 514
& Pre-entry climate control via key
av ailable again aTer starting vehicle....... 507
& Pre-ent ryclimate cont rol via key
inoperative High-voltage battery low....... 508 Ù
Rear axle steering cur rently
malfunctioning ....................................... 520
Ù Rear axle steering Malfunction
St op immediately...................................5 21
Ù Rear axle steering Malfunction
Vi sit workshop ....................................... 520
h Rectify tyre pressure ..................... 564
Ø Re/ll AdBlue See Owner ’sMan-
ual ......................................................... 566
! Release parking brake ...................535
ý Replace air cleaner ....................... 528
Á Replace key.................................. 500
8 Reser vefuel le vel.......................... 527
6 Restraint system malfunction
Consult workshop ................................. .496
ð Restric ted during trailer opera-
tion........................................................ 548
# Start theve hicle tocharge the
12 V battery........................................... 560 Ù
Steering malfunction Drive
carefully Visit workshop ........................ .519
Ù Steering malfunction Increased
ph ysical e.ort See Owner's Manual.......5 19
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 520
d Stop Switch o. theve hicle ............ 513
# Stop vehicle Lea ve vehicle on to
ch arge the 12 V battery ......................... 560
É STOP Vehicle le velto o low............ 551
# Stop vehicle See Owner's Man-
ual......................................................... 559
Û Stop vehicle See Owner's Man-
ual......................................................... 560
ç suspended .................................... 539
: Switch o. lights............................ 504
: Switch on headlamps .................... 504
á temp orarily una vailable Camera
view restric ted....................................... 547 600 600
Index

¸
temp orarily una vailable Sensors
dirty....................................................... 546
Ø Top up AdBlue Emer gency op. in
XXX km See Owner's Manual................ .566
+ Top up coolant See Owner ’s
Manual.................................................. 526
¥ Top up washer 0uid...................... .524
u Towing not permitted See Own-
er's Manual ............................................ 508
ï Trailer coupling in motion .............. 516
d Vehicle is operational Switch o.
ve hicle before exiting............................. 516
É Vehicle rising Please wait.............. 552
h Warning tyre defect....................... 564
h Wheel sensor(s) missing ................ 563
Ø XX,X l Top up AdBlue Emerg.
op.: max. XXX km/h Start not poss.
in XXX km.............................................. 566 Ø
XX,XlTop up AdBlue Swit ch
ve hicle on, wait 60 sec. or engine
start not poss........................................ 567
"Electric" drive prog ram cur rently
una vailable............................................. 510
AC charging inoperative Consult work-
shop ...................................................... 510
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 544
Ac tive Blind Spot Assist inoperative........ 545
Ac tive bonnet malfunction See Own-
er's Manual............................................ 521
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........557
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 558
Ac tive Distance Assist available again ..... 540
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 539
Ac tive Distance Assist inoperative.......... 540 Ac
tive Emer gency Stop Assist cur-
re ntly una vailable See Owner's Manual ... 542
Ac tive Emer gency Stop Assist inoper-
ative...................................................... 542
Ac tive Lane Change Assist cur rently
una vailable See Owner's Manual ............ 542
Ac tive Lane Change Assist inoperative... 543
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 545
Ac tive Lane Keeping Assist inoperative... 545
Ac tive Parking Assist and
PA RKTRONIC inope rative See Own-
er's Manual............................................ 553
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 541
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 541
Ac tive Steering Assist inoperative...........5 41 Index
601 601