MERCEDES-BENZ S-CLASS SALOON LONG 2022 Owners Manual


APx part 1 of the TIREFIT sticker to the
instrument cluster within the driver's Neld of
vision. 
APx par
t 2 of the TIREFIT sticker near the
valve on the wheel with the defective tyre. 
Pull plug 6 wit
h the cable and hose 5 out
of the tyre inOation compressor housing. 
Push the plug of hose 5 int
o Oange 4 of
tyre sealant bottle 3 until the plug engages. 
Place tyre sealant bottle 3 head do
wnwards
into recess 2 of the tyre inOation compres-
sor. 
Remove the valve cap from valve 7
on the
faulty tyre. 
Screw Nlling hose 8 ont
o valve 7. 
Insert plug into 6 a 12!

Please note that tyre sealant may leak out when
unscr ewing the Nlling hose. 
Drive forwards or in reverse very slowly for
appr
oximately 10 m. 
Pump up the tyre again.
Aser a maximum of t

en minutes the tyre pres-
sure must be at least 200 kPa (2.0 bar/
29 psi). &
WARNING Risk of accident due t
o the
speciNed tyre pressure not being attained
If the speciNed tyr
e pressure is not attained
aser the speciNed time, the tyre is too badly
damaged. The tyre sealant cannot repair the
tyre in this instance.
The braking and driving characteristics may be
greatly impaired. 
Do not continue driving. 
Consult a q
ualiNed specialist workshop. If, aser
t
en minutes, a tyre pressure of 200 kPa
(2.0 bar/29 psi) has been attained: 
Switch oM t
he tyre inOation compressor. 
Unscrew the Nlling hose fr
om the valve of the
defective tyre. &
WARNING Risk of accident fr
om driving
with sealed tyres
A tyre temporarily sealed with tyre sealant
im
pairs the handling characteristics and is not
suitable for higher speeds. 
Adapt your driving style accordingly and
dr

ive carefully. 
Do not exceed the maximum speed limit
wit
h a tyre that has been repaired using
tyre sealant. 
Observe the maximum permissible speed of
80 km/h

for a tyre sealed with tyre sealant.
* NOTE S
taining from leaking tyre sealant Aser
use, e
xcess tyre sealant may leak out
from the Nlling hose. 
Therefore, place the Nlling hose in t
he
plastic bag that contained the TIREFIT
kit. +
ENVIRONMENTAL NOTE
En
vironmental
pollution caused by environmentally irre-
sponsible disposal Tyre sealant contains pollutants.

Have the tyre sealant bottle disposed of
pr
ofessionally, e.g. at a Mercedes-Benz
Service Centre. 
Stow the tyre sealant bottle and the tyre inOa-
tion com

pressor. 
Pull away immediately. 
Stop driving aser appr
oximately ten minutes
and check the tyre pressure using the tyre
inOation compressor.
The tyre pressure must now be at least
130 kPa (1.3 bar/19 psi). &
WARNING Risk of accident due t
o the
speciNed tyre pressure not being attained
If the speciNed tyr
e pressure is not reached,
the tyre is too badly damaged. The tyre seal-
ant cannot repair the tyre in this instance. Breakdown assistance
449

The braking and driving characteristics may be
g
reatly impaired. 
Do not continue driving. 
Consult a q
ualiNed specialist workshop.Countries that have Mercedes-Benz Service24h:
y

ou will Nnd a sticker with the telephone number,
e.g. on the B!

All vehicles except vehicles with a lithium-ion bat-
t ery &
WARNING Risk of e
xplosion due to elec-
trostatic charge
Electrostatic charge can ignite the highly
e
xplosive gas mixture in the battery. 
To discharge any electrostatic charge
t
hat may have built up, touch the metal
vehicle body before handling the battery. The highly
Oammable g
as mixture is created while
the battery is charging and during starting assis-
tance. &
WARNING Dang
er of chemical burns from
the battery acid
Battery acid is caustic. 
Avoid contact with the skin, eyes or
clo

thing. 
Do not lean over the battery. 
Do not inhale battery gases. 
Keep children away from the battery. 
Immediately rinse battery acid oM t
hor-
oughly with plenty of clean water and
seek medical attention immediately. All vehicles
+ ENVIRONMENTAL NOTE
En
vironmental
damage due to improper disposal of bat-
teries Batteries contain pollutants. It is
illeg

al to dispose of them with the household
rubbish. 
Dispose of batteries in an
en

vironmentally responsible manner.
Take discharged batteries to a qualiNed
specialist workshop or to a collection
point for used batteries. If you have to disconnect the 12 V battery, con-
t
act a qualiNed specialist workshop.
Comply with safety notes and take protective
measures when handling batteries. Risk of explosion.
Fire, naked
Oames and smoking ar
e
prohibited when handling the battery.
Avoid creating sparks. Electrolyte or battery acid is corrosive.
A

void contact with the skin, eyes or
clothing. Wear suitable protective
clothing, in particular gloves, an apron
and a face mask. Immediately rinse
electrolyte or acid splashes oM with
clean water. Consult a doctor if neces-
sary. Wear safety glasses. Breakdown assistance
451

Keep children away.
Observe this Owner's Manual.
Observe the following if you do not intend to use
t he vehicle over an extended period of time:
= Activate standby mode.
= Alternatively: connect the battery to a battery
charger approved by Mercedes-Benz or con-
sult a qualiNed specialist workshop to discon-
nect the battery. Notes on starting assistance and charging the 12
V batt

ery Vehicles with a lithium-ion battery
When c

harging the battery and during starting
assistance, always use the jump-start connection
point in the engine compartment. *
NOTE Damag
e to the battery due to over-
voltage When charging using a battery charger without
a maximum c
harging voltage, the battery or
the on-board electronics may be damaged. 
Only use battery chargers with a maxi-
mum c

harging voltage of 14.8 V. All other vehicles
When c

harging the battery and during starting
assistance, always use the jump-start connection
point in the engine compartment.
* NOTE Damag
e to the battery due to over-
voltage When charging using a battery charger without
a maximum c
harging voltage, the battery or
the on-board electronics may be damaged. 
Only use battery chargers with a maxi-
mum c

harging voltage of 14.8 V. &
WARNING Risk of e
xplosion due to the
ignition of hydrogen gas
If there is a short circuit or sparks are created,
t
here is a danger of hydrogen gas igniting
when you charge the battery. 
Make sure that the POSITIVE terminal of
a connect

ed battery does not come into
contact with vehicle parts. 
Never place metal objects or tools on a
batt
ery. 
When connecting and disconnecting the
batt
ery, always observe the sequence of
battery terminals described. 
During starting assistance, always take
car

e to connect only battery terminals of
identical polarity. 
During starting assistance, observe the
seq
uence described for connecting and
disconnecting the jump leads. 
Do not connect or disconnect the bat-
t

ery terminals with the engine running. 452
Breakdown assistance

&
WARNING Risk of e xplosion due to explo-
sive mixture of gases
An explosive mixture of gases can escape
fr
om the battery during charging and starting
assistance. 
Fire, naked Oames, smoking and cr
eating
sparks must be avoided. 
Make sure there is adequate ventilation. 
Do not stand over the battery. &
WARNING Risk of e
xplosion from a frozen
battery
A discharged battery may freeze at tempera-
tur
es slightly above or below freezing point.
During starting assistance or battery charging,
battery gas can be released. 
Always allow a battery to thaw before
c
harging it or performing starting assis-
tance. If the indicator/warning lamps in the instrument
clus
ter do not light up at low temperatures, it is
very likely that the discharged battery has frozen. In this case you may neither jump-start the vehi-
cle nor c
harge the battery.
The service life of a battery that has been thawed
may be dramatically shortened. The starting char-
acteristics may be impaired, especially at low
temperatures.
It is recommended that you have a thawed battery
checked at a qualiNed specialist workshop.
Plug-in hybrid
If your vehicle has been started with starting
assistance, it may not be possible to use the elec-
tric drive for approximately 30 minutes.
Starting assistance is not considered to be a nor-
mal operating condition.
All vehicles
* NOTE Damag
e caused by numerous or
extended attempts to start the engine Numerous or extended attempts to start the
engine ma

y damage the catalytic converter
due to non-combusted fuel. 
Avoid numerous and extended attempts
t

o start the engine. Observe the following points during starting assis-
t
ance and when charging the battery:
= Only use undamaged jump lead/charging
cables with a suPcient cross-section and
insulated terminal clamps.
= Non-insulated parts of the terminal clamps
must not come into contact with other metal
parts while the jump lead/charging cable is
connected to the battery/jump-start connec-
tion point.
= The jump lead/charging cable must not come
into contact with any parts which may move
when the engine is running.
= Always make sure that neither you nor the bat-
tery is electrostatically charged.
= Keep away from Nre and naked Oames.
= Do not lean over the battery. Breakdown assistance
453

Observe the additional following points when
c harging the battery:
= Only use battery chargers tested and
approved for Mercedes-Benz.
= Read the battery charger's operating instruc-
tions before charging the battery.
Observe the additional following points during
starting assistance: = Starting assistance may only be provided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
= The vehicles must not touch.
= Vehicles with a petrol engine: jump-start the
vehicle only when the engine and exhaust sys-
tem are cold. Starting assistance and charging the 12 V battery
Preparing for starting assistance/the charging
pr
ocess 
Secure the vehicle by applying the electric
par
king brake. 
Shis t
he transmission to position j. 
Switch oM t
he vehicle and all electrical con-
sumers. 
Open the bonnet. 
Open cover 1. 
Slide protective cover 2 of POSITIVE cont
act
3 on the jump-start connection point in the
direction of the arrow. Starting assistance

Connect the POSITIVE contacts of the vehi-
cles wit
h the jump lead. Start with your own
vehicle Nrst. 
Start the engine of the donor vehicle and run
it at idling speed. 
Connect the negative terminal of the donor
batt

ery to the earth point of your vehicle 4454
Breakdown assistance

using the jump lead. Start with the donor vehi-
cle Nr st. 
Start the engine of your own vehicle. 
Let the engines run for several minutes. 
Before disconnecting the jump leads, switch
on an electr

ical consumer in your own vehicle,
e.g. the rear window heater or the lighting.
When starting assistance has Nnished
First, remove the jump lead from the earth
point of y

our own vehicle and the negative ter-
minal of the donor battery, then remove the
jump lead from the POSITIVE contacts of both
vehicles. Always start with your own vehicle
Nrst. 
Close protective cover 2 of POSITIVE con-
t
act 3 and close cover 1.
Plug-in hybrid: if y
our vehicle has been started
with starting assistance, it may not be possible to
use the electric drive for approximately 30
minutes.
Further information can be obtained at a qualiNed
specialist workshop. Charging the 12 V battery 
Connect the POSITIVE contacts of the vehicle
and t
he charger with the charging cable. Start
with the vehicle Nrst. 
Connect the NEGATIVE contact of the charger
and ear
th point 4 on the vehicle with the
charging cable. Start with the charger Nrst. 
Start the charging process.
When the charging process is complete: 
Remove the charging cable from earth point
4 on t
he vehicle and the NEGATIVE contact
of the charger Nrst and then from the POSI-
TIVE contacts on the vehicle and charger.
Always start with the vehicle Nrst. 
Close protective cover 2 of POSITIVE con-
t
act 3 and close cover 1. Replacing the 12 V battery

Observe the notes on the 12 V battery
( pag
e 450). Mercedes-Benz recommends that you have the
12 V batt

ery replaced at a qualiNed specialist
workshop, e.g. at a Mercedes-Benz Service
Centre.
Observe the following notes if you want to replace
the battery yourself:
= Always replace a faulty battery with a battery
which meets the speciNc vehicle require-
ments.
The vehicle is equipped with an AGM technol-
ogy battery (Absorbent Glass Mat) or a lith-
ium-ion battery. Full vehicle functionality is
only guaranteed with an AGM battery or lith-
ium-ion battery. For safety reasons, Mercedes-
Benz recommends that you only use batteries
which have been tested and approved for your
vehicle by Mercedes-Benz.
= Carry over detachable parts, such as vent
hoses, elbow Nttings or terminal covers from
the battery being replaced.
= Make sure that the vent hose is always con-
nected to the original opening on the side of
the battery.
Fit any existing or supplied cell caps. Breakdown assistance
455

Otherwise, gases or battery acid could
escape.
= Mak
e sure that detachable parts are recon-
nected in the same way. Tow-starting or towing away
Permitted towing methods (non plug-in hybrid)
*
NOTE Damag
e from automatic braking If one of the following functions is activated,
t
he vehicle brakes automatically in certain sit-
uations:
= Active Brake Assist
= Active Distance Assist DISTRONIC
= HOLD function
= Active Parking Assist
To avoid damage to the vehicle, deactivate
these systems in the following or similar situa-
tions: 
During towing. 
In a car wash. Mercedes-Benz recommends transporting your
v
ehicle in the case of a breakdown, rather than
towing it away.
For towing, use a tow rope or tow bar with both
axles on the ground. Do not use any tow bar sys-
tems (  page 340).
* NOTE Damag
e to the vehicle due to tow-
ing away incorrectly 
Observe the instructions and notes on
t

owing away. Towing with a raised axle:
t
owing should be per-
formed by a towing company. Vehicles with rear wheel drive Permitted towing methods
Both axles on
t

he ground Yes, maximum 50 km at
50 km/h
Front axle
r
aised No
Rear axle
r
aised Yes, if the steering wheel is
Nx
ed in the centre position
with a steering wheel lock 4MATIC vehicles
Permitted towing methods
Both axles on
t

he ground Yes, maximum 50 km at
50 km/h
Front axle
r
aised No
Rear axle
r
aised No456
Breakdown assistance

Permitted towing methods (plug-in hybrid)
Mercedes-Benz recommends transporting your
v ehicle in the case of a breakdown, rather than
towing it away.
For towing, use a tow rope or tow bar with both
axles on the ground. Do not use tow bar systems.
* NOTE Damag
e to the vehicle due to tow-
ing away incorrectly 
Observe the instructions and notes on
t

owing away. Observe the information on towing and transport-
ing t

he vehicle in the vehicle Owner's Manual.
In the following situations, only transporting the
vehicle is permitted:
= the driver's display is not working
= the