2021 MERCEDES-BENZ S-CLASS SALOON LONG wheel

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es Possible causes/conseq
ossible causes/consequences and uences andM
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Solutions
Ù
Rear axle steering Malfunc-
tion Stop immediately *T
herear axle steering is malfunctioning.
The rear axle has no steering capability.
The steering wheel may be til ted considerably when you drive in a straight line.
Depending on the steering wheel's tilted position, the steering wheel will also vibrate and a continuous warning tone
will sound. &
W WARNI NG
ARNI NGRisk of accident if steering capability is impai red
If th e steering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do
not continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
When stopping, bear the enlar gedve hicle width in mind.
Snow chain mode Maxi-
mum speed exceeded *T
he maximum permissible speed for snow chain mode has been exceeded. #
Drive more slo wly.
Active bonnet malfunction
See Owner's Manual *T
he active bonn et(pedest rian pr otection) is malfunctioning or inoperative aTer having already been triggered. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
521 521

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Ongradients, turn the front wheels so that theve hicle will rollto wa rdsth eke rb if it starts moving.
Risk of vehicle rolling away
N activated manually No
automatic switch to P *W
hile theve hicle was at a standstill or driving at very low speed, neutral iwas engaged with the engine running or
th eve hicle switched on.
* N NOOTE
TE Damage totheve hicle due torolling away When
theve hicle is switched o. or the driver's door is opened, automatic engagement of park position jis deac-
tivated.
The vehicle may rollawa y. #
Beready tobrake. #
Do not lea vetheve hicle unat tended. #
Dep ress the brake pedal until theve hicle comes toa standstill. #
Engage park position jwhen theve hicle is stationary with the brake pedal depressed. #
Tocontinue driving with the brake pedal depressed, select transmission position hork.
N automatically activated
Please engage transmis-
sion position again *N
eutral iwas automatically engaged when theve hicle wasro lling or being driven.
% When you open the driver's door in neutral i, park positionjwill be engaged automaticall y. #
Depress the brake pedal until theve hicle comes toa standstill. #
Engage park position jwhen theve hicle is stationary with the brake pedal depressed. #
Tocontinue driving with the brake pedal depressed, select transmission position hork. 530 530
Display messages and
warning/indicator lamps

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Ø
Beginning emergency stop *Y
our hands are not on the steering wheel. The Active Steering Assist will initiate an emer gency stop (/ page 284). #
Put your hands on the steering wheel.
Information on cancelling an emer gency stop (/ page 286).
Active Emergency Stop
Assist currently unavailable
See Owner's Manual *A
ctive Emer gency Stop Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 286).
As soon as the ambient conditions are within the system limits, the system will become 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.
Active Emergency Stop
Assist inoperative *A
ctive Emer gency Stop 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 Change Assist
currently unavailable See
Owner's Manual *A
ctive Lane Change Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 288).542 542
Display messages and
warning/indicator lamps

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Change steering wheel/
seat position until 6 dots
are visible on the upper
edge of the screen *T
he driver camera cann otcapture your line of sight. #
Change the steering wheel and seat position until six dots are visible on theto p edge of the screen.
The display message will appear again if the driver camera is again unable todetect your line of sight aTer
30 minutes.
The display message will no longer appear at all if you con/rm the display message and the driver camera cannot
de tect your line of sight during the entire journe y.
Driver camera inoperative
See Owner's Manual *T
he driver camera is malfunctioning. #
Consult a quali/ed specialist workshop.
ä
Fault Drive at max. 80
km/h *A
IRM ATIC is functioning only toa limi tedex tent. The vehicle's handling characteristics may be a.ected.
* N NOOTE
TE The tyres on the front axle or thefe nders could be damaged bylarge stee ring mo vements #
Avoid lar gestee ring mo vements while driving and lis tenfo r scraping sounds. #
Ifyo u hear scraping sounds, pull over and stop theve hicle in accordance with the tra1c conditions, and set a
higher vehicle le vel if possible. #
Drive in a manner appropriate forth e cur rent le vel, but do not exceed 80 km/h. #
Consult a quali/ed specialist workshop.
E-ACTIVE BODY CONTROL
Function limited See Own-
er's Manual *A
t least one main function of the E- ACTIVE BODY CONTROL system is malfunctioning.
The system is outside the operating temp erature range or the on-board electrical system voltage is too lo w.
Once the cause of the problem is no longer present, the system will be available again. Displ
aymessages and warning/indicator lamps
549 549

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Solutions #
Ifth e display message still appears, consult a quali/ed specialist workshop. Dr
Dr
iving safe
iving safe ty syst
ty systems
ems Displa
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uences andM
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!
÷
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving systems and driving saf ety systems (e.g. BAS) may also be temp orarily una vailable.
The brake system will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunctioning
The wheels may lock during braking and ESP ®
does not per form any vehicle stabilisation.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a quali/ed specialist workshop immediatel y.Drive care-
full y. 554
554
Display message
s andwarning/indicator lamps

Displa
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y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
!
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning.
The brake sy stem will continue tooperate normall y.Braking distance may inc rease in an emer gency braking situation. &
W WARNI NG
ARNI NGRisk of skidding if ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a quali/ed specialist workshop. ÷
currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving systems and driving saf ety sy stems (e.g. BAS) ma y also be malfunctioning. &
W WARNING
ARNING Risk of skidding if ESP is malfunctioning ®
If ESP ®
is malfunctioning, ESP ®
cann otcar ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
swit ched o.. #
Drive carefully on a suitable str etch of road, making slight steering mo vements at a speed abo ve30 km/h. Display message
s andwarning/indicator lamps
555
555

Displa
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y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving systems and driving saf ety systems (e.g. BAS) may also be malfunctioning. &
W WARNING
ARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
The wheels may block during braking and ESP ®
does not per form any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving saf ety sy stems are swit ched o.. #
Drive on carefull y. #
Have the brake system checked immediately at a quali/ed specialist workshop. Active Brake Assist Func-
tions currently 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
The ambient conditions are outside the system limits (/ page 290). #
Drive on
As soon as the ambient conditions are within the system limits, the system will become available again.
or Displ
aymessages and warning/indicator lamps
557 557

Displa
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y messag
y messag es P
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ossible causes/consequences and uences andM
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Solutions
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels /tted do not ha vesuitable tyre pressure senso rs. The tyre pressure monitoring system is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. No pressure value is displa yedfo rth e a.ected
tyre. #
Have thefa ulty tyre pressure sensor replaced at a quali/ed specialist workshop.
h
Check tyre(s) *T
he tyre pressure in one or more tyres has dropped signi/cantl y.
The wheel position is displa yed. A warning tone also sounds. &
W WARNI NG
ARNI NGRisk of an accident due toinsu1cient tyre pressure
R The tyres can burst.
R The tyres can wearexcessively and/or une venly.
R The driving characteristics as well as the steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the tyre pressure (/ page 462) andthe tyres. Display messages and
warning/indicator lamps
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563