2021 MERCEDES-BENZ S-CLASS SALOON LONG change wheel

The
wear patterns on the front and rear wheels
di.er:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the centre of the
tyre
Do not drive with tyres that ha vetoo little tread
dep th. This signi/cantly reduces traction on wet
ro ads (aquaplaning).
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5,000 to10,000 km, depending on thewe ar.
Ensu rethe direction of rotation is maintained for
th e wheels.
Obser vethe inst ructions and saf ety no tes on
"Changing a wheel" when doing so (/ page 470).N
No
ot
tes on st
es on st or
oring wheels
ing wheels When storing wheels, obser
vethefo llowing no tes:
R ATer removing wheels, store them in a cool,
dry and preferably dark place.
R Protect the tyres from contact with oil, grease
or fuel. Ov
Ov
er
ervie
vie w of t
w of t he tyr
he tyr e-c
e-chang
hang e t
e tool kit
ool kit Apart from some count
ry-speci/c variants, vehi-
cles are not equipped with a tyre-change tool kit.
Fo r more information on which tyre-changing
to ols are requ ired and appr ovedfo r per form ing a
wheel change on your vehicle, consult a quali/ed
specialist workshop.
Re quired tyre-changing tools may include, for
ex ample:
R Jack
R Chock
R Wheel wrench
% The jack weighs appr oximately 3.4 kg.
The maximum load capacity of the jack can
be found on the stic ker a1xed tothe jac k.
The jack is maintenance-free. If there is a
malfunction, please contact a quali/ed spe-
cialist workshop.
The tyre-change tool kit is located in tool bag 1
on the boot 0oor. The
tool bag contains:
R Jack
R Gloves
R Wheel wrench
R Centring pin
R Folding chock
R Ratchet for jack Plug-in h
Plug-in h
ybr
ybrid
id The tyre-change
tool kit is located in tool bag 1
on the boot 0oor. Wheels and tyres
469
469

Pr
Pr
epar
epar ing t
ing the v
he vehicle f
ehicle f or a wheel c
or a wheel c hange
hange R
R
eq
eq uir
uir ements:
ements:
R The vehicle is not on a slope.
R The vehicle is on solid, non-slippery and le vel
gr ound.
R The requ ired tyre-change tool kit is available.
% Ifyo ur vehicle is not equipped with the tyre-
ch ange tool kit, consult a quali/ed specialist
wo rkshop to/nd out about sui table tools. #
Apply the electric parking brake manuall y.#
Movethe front wheels tothe straight-ahead
position. #
ShiT the transmission toposition j. #
V
Vehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:setthe nor-
mal vehicle le vel (/ page 305). #
Switch o. theve hicle. #
Make sure that theve hicle cann otbe star ted. #
Place choc ks orother suitable items under the
front and rear of the wheel that is diagonal ly
opposite the wheel you wish tochange. #
Remo vethe hub cap if necessary
(/ page 470). #
Raise theve hicle (/ page 471). R
R
emo
emo ving and
ving and /tting
/ttingt
the wheel tr
he wheel tr im/hub caps
im/hub caps R
R
eq
eq uir
uir ements:
ements:
R The vehicle is prepared for a wheel change
(/ page 470). Aluminium hub cap
Aluminium hub cap #
T
To r
o r emov
emov e:
e:position soc ket2 from the tyre-
ch ange tool kit on hub cap 1. #
Position wheel spanner 3on soc ket2. #
Using wheel spanner 3, turn hub cap1
anti-clockwise and remo veit. #
T
To
o /t:
/t: follow the inst ructions abo veinreve rse
order.
% Speci/ed
Speci/ed tight
tightening t
ening t orq
orque:ue: 25 Nm. 470
470
Wheels and tyres

R
R
aising t
aising t he v
he vehicle when c
ehicle when c hanging a wheel
hanging a wheel R
R
eq
eq uir
uir ements:
ements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (/ page 470).
R The hub caps ha vebeen remo ved
( / page 470).
Impor tant no tes on using the jack:
R Use only a vehicle-speci/c jack that has been
appr ovedby Mercedes-Benz toraise theve hi-
cle.
R The jack is only designed forra ising and hold-
ing theve hicle for a short time while a wheel
is being changed and not for maintenance
wo rkunder theve hicle.
R The jack must be placed on a /rm, 0at and
non-slip sur face.
R The foot ofthe jack must be positioned verti-
cally under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands and/or feet under the
ve hicle.
R Never lie under theve hicle. R
Do not start the engine and do not release the
electric parking brake.
R Do not open or close any doors or the boot
lid. #
Using the wheel wrench, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe bolts
comple tely. Wheels and tyres
471 471

#
Continue toturn ratchet ring spanner 3until
th e tyre is raised a maximum of 3 cm o. the
gr ound. #
Loosen and remo vethe wheel (/ page 473). R
R
emo
emo ving a wheel
ving a wheel R
R
eq
eq uir
uir ements:
ements:
R The vehicle is raised.
When changing a wheel, avoid applying any force
to the brake discs, as this could impair the le vel of
comfort when braking.
* NO
NOTE
TEDamage tothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on a
dirty sur face. #
Unscr ewthe uppermost wheel bolt com-
ple tely. #
Screw cent ring pin 1into theth re ad ins tead
of the wheel bolt. #
Unscr ewthere maining wheel bolts com-
ple tely. #
Remo vethe wheel. F F
itting a ne
itting a ne w wheel
w wheel R
R
eq
eq uir
uir ements:
ements:
R The wheel tobe changed is remo ved and the
cent ring pin is scre wed in (/ page 473). &
W
WARNING
ARNING Risk of accident from losing a
wheel
Oiled or greased wheel bolts can cause the
wheel bolts tocome loose, as too can dam-
aged wheel bolts or wheel hub thre ads. #
Never oil or grease theth re ads. #
Intheev ent of damage totheth re ads,
contact a quali/ed specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam-
aged hub thre ads replaced. #
Do not continue driving. #
Obser vethe information on thech oice of tyres
(/ page 465).
Fo r tyres with a speci/ed direction of rotation, an
ar ro w on the side wall of the tyre indicates the
cor rect direction of rotation. Obser vethe direc-
tion of rotation when /tting. #
Slide the wheel tobe mounted onto the cen-
tring pin and push it on. Wheels and tyres
473
473

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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

1, 2, 3 ...
1, 2, 3 ...
3D dr
3D dr iv
iver's display
er's display , 3D instrument cluster
Fu nction/no tes...................................... 345
4MA
4MA TIC
TIC, All-wheel drive
Fu nction................................................ 235
48 V on-boar
48 V on-boar d electr
d electrical syst
ical syst em
em
No tes..................................................... 352
Operating sa fety...................................... 26
360° Camera
360° Camera Activating using GPS (r eversing cam-
era)........................................................ 317
Button................................................... 316
Care...................................................... 433
Fu nction................................................ 312
Managing activation points (r eversing
camera)................................................. 317
Opening the camera co ver (r eversing
camera)................................................. 317
Selecting a view.....................................3 17
Setting (r eversing camera)..................... 317
Switching automatic operation on/o.
(r ev ersing camera)................................. 317 A A
A/C function
A/C function Activating/deactivating (MBUX multi-
media system)....................................... 192
ABS (Anti-loc
ABS (Anti-loc k Br
k Braking Syst
aking Syst em)
em), Anti-lock
braking system............................................. 269
A A ccident and Br
ccident and Br eakdo
eakdown Manag
wn Manag ement
ement
Mercedes me connect........................... 405
A
A cous
coustic loc tic loc king
kingv
ver
er i/cation
i/cation signal
signal
Ac tivating/deactivating............................ 89
A
A cous
coustic pr tic pr esence indicat
esence indicat or (sound g
or (sound gener-
ener-
at
at or)
or)
No tes..................................................... 208
A
A cous
coustic V tic Vehicle Indication
ehicle Indication
Sound generator.................................... 208
A
A ctiv
ctiv ating a commut
ating a commut er r
er route
oute........................ 391
A
A ctiv
ctiv e Blind Spo
e Blind Spo t Assist
t Assist
Ac tivating/deactivating.......................... 302
Brake application................................... 300
Fu nction................................................ 298
System limita tions.................................. 298
Tr ailer operatio n.................................... .300 A A
ctiv
ctiv e bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otection)
ection),
Pe dest rian pr otection
Operation.............................................. 424
A
A ctiv
ctiv e Br
e Br ak
ake Assist
e Assist
Fu nction/no tes...................................... 290
Setting................................................... 294
A
A ctiv
ctiv e Dist
e Dist ance Assis
ance Assis t DIS
t DISTR
TRONIC
ONIC
Ac tive Emer gency Stop Assist................ 286
Ac tive Lane Change Assist..................... 288
Calling up a speed................................. 279
Fu nction................................................ 276
Inc reasing/decreasing speed................. 279
Ro ute-based speed adap tation............... 282
Selecting............................................... 279
St oring a speed...................................... 279
Switching o./deactivating.................... .279
Switching on/activating......................... 279
System limitations.................................. 276
A A ctiv
ctiv e Emerg
e Emerg encySt
ency Stop Assist
op Assist ,
Driving system............................................ .286
A
A ctiv
ctiv e headlam
e headlam ps
ps......................................... 172
A
A ctiv
ctiv e Lane Chang
e Lane Chang e Assist
e Assist
Ac tivating/deactivating.......................... 290
Fu nction................................................ 288 Ind
ex
591
591

¸
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