2022 MERCEDES-BENZ S-CLASS SALOON open bonnet

#
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING ‑ Risk of /re and injury due to
windscreen washer concent rate
Wi ndsc reen washer concent rate is highly 0am-
mable. It could ignite if it comes into contact
with hot engine component parts or the
ex haust system. #
Make sure that no windscreen washer
concent rate spills out next tothe /ller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher 0uid.
% Further information about the windscreen
wa sher 0uid (/ page 423) K K
eeping t
eeping t he air
he air-w
-wat
ater duct fr
er duct fr ee
ee #
Keep the area between the bonnet and the
windscreen free of deposits, e.g. ice, snow
and lea ves. Cleaning and care Cleaning and care
Inf
Inf
or
ormation on w
mation on w ashing t
ashing the v
he vehicle in a car w
ehicle in a car w ash
ash &
W
WARNING
ARNING Risk of an accident due to
re duced braking po wer aTer washing the
ve hicle
Braking e1ciency is reduced aTer washing the
ve hicle. #
ATer theve hicle has been washed, brake
carefully while paying attention tothe
tra1c conditions until braking po wer has
been fully restored. 368
368
Maintenance and ca
re

To
avo id damage toyour vehicle, obser vethefo l-
lowing when using a high-pressure cleaner:
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise the boot lid or a
door could open unintentionall y.
R Maintain a distance of at least 30 cm tothe
ve hicle.
R V
Vehicles wit
ehicles wit h decor
h decorativ
ative f
e foil:
oil: Parts of your
ve hicle are co vered with a decorative foil.
Maintain a distance of at least 70 cm between
th efo il-co vered parts of theve hicle and the
nozzle of the high-pressure cleaner. Mo vethe
high-pressure cleaner nozzle around whilst
cleaning. The waterte mp erature of the high-
pressure cleaner must not exceed 60°C.
R Obser vethe information on the cor rect dis-
ta nce in the equipment manufacturer's oper-
ating inst ructions.
R Do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, such as
tyres, gaps, electrical components, batteries,
light sources and ventilation slits. W W
ashing t
ashing t he v
he vehicle b
ehicle b y hand
y hand *
N
NOOTE
TE Engine damage due towa ter ing ress #
Take care not topoint thewa ter jet
directly towa rdsth e air inlet grille below
th e bonnet. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted in
special lydesignated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarm water using a
soT car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle o. with water and
dry using a chamois.
% Obser vethe no tes on the care of car parts
(/ page 372). N No
ot
tes on paintw
es on paintw or
ork/matt
k/matt /nish
/nishpaintw
paintw or
ork care
k care To
avo id damaging the paintwork and inter fering
with the driving assistance systems, please
obser vethefo llowing no tes: P
P
aint
aint
R Insect remains: soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: soak with water and rinse o.
aTer wards.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid.
R Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a quali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt
Matt /nish
/nish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop. 370
370
Main
tenance and ca re

Obser
vethe additional following points during
starting assistance:
R Starting assis tance may only be provided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
R The vehicles must not touch.
R V
Vehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: jump-start the
ve hicle only when the engine and exhaust sys-
te m are cold. S
S
t
tar
ar ting assist
ting assist ance and c
ance and c har
harging t
ging t he 12 V batt
he 12 V batt ery
ery Pr
Pr
epar
epar ing f
ing for st
or st ar
arting assist
ting assist ance/t
ance/the che char
harging
ging
pr
pr ocess
ocess #
Secure theve hicle byapplying the electric
parking brake. #
ShiT the transmission toposition j. #
Switch o. theve hicle and all elect rical con-
sumers. #
Open the bonnet. #
Open co ver1. #
Slide pr otective co ver2 of POSITIVE contact
3 onthe jump-start connection point in the
direction of the ar row. S
S
t
tar
ar ting assist
ting assist ance
ance #
Connect the POSITIVE contacts of theve hi-
cles with the jump lead. Start with your own
ve hicle /rst. #
Start the engine of the donor vehicle and run
it at idling speed. #
Connect the negative term inal of the donor
battery toear thpoint of your vehicle 4using 386
386
Breakdown assis
tance

Blown fuses must be
replaced with fuses of the
same rating, which you can recognise bythe col-
our and fuse rating. The fuse ratings and fur ther
information tobe obser ved can be found in the
fuse assignment dia gram.
F
F use assignment diagr
use assignment diagr am:
am:intheve hicle docu-
ment wallet.
* NO
NOTE
TEDamage or malfunctions caused by
moisture Moisture may cause damage
tothe electrical
system or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor-
re ctly on the fuse box. If
th e ne wlyinser ted fuse also blo ws, ha vethe
cause traced and recti/ed at a quali/ed specialist
wo rkshop.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away. R
All electrical consume rsare switched o..
R The vehicle is switched o..
The elect rical fuses are located in thefo llowing
fuse bo xes:
R Fuse box in the engine compartment on the
driver's side (/ page 394)
R Fuse box on the driver's side of the cockpit
(/ page 396)
R Fuse box in the front passenger foot we ll
(/ page 396)
R Fuse box in the boot on theright-hand side of
th eve hicle, when vie wed in the direction of
tr av el (/ page 397) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the engine
he engine
com
com par
partment
tment R
R
eq
equir uir ements:
ements:
R Obser vethe no tes on elect rical fuses
(/ page 393).
R Have thefo llowing tools readily available:
- a dry clo th -
a scr ewdriver with an appropriate head
Opening
Opening
% Depending on theve hicle equipment, access
to the fuse box may be limited. Mercedes-
Benz recommends consulting a quali/ed spe-
cialist workshop, e.g. a Mercedes-Benz
Se rvice Centre. &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and vehicle before opening the engine
bonnet. 394
394
Breakdown assistance

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
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.
C *A
t least one door is open. #
Close all doors.
Bonnet unlatched Pull lever
again to open *T
he bonn etis not fully unloc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Toopen the bonnet full y,pull the handle again (/ page 363).
Bonnet not locked Close
before starting journey *T
he bonn etis not loc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. 440
440
Display message
s andwarning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Close the bonnet (/ page 363).
Bonnet not locked Stop
immediately Close bonnet
completely *T
he bonn etis not loc ked. &
W WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet (/ page 363).
M *T
he bonn etis open. &
W
WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. Display messages and
warning/indicator lamps
441
441

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet.
N *T
he boot lid is open. &
D
DAN
AN GER
GER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter theve hicle
interior if the boot lid is open when theve hicle is running, especially if theve hicle is in motion. #
Always switch o. theve hicle before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
Anti-theft alarm system
Malfunction *T
he anti-theT alarm system is malfunctioning. #
Consult a quali/ed specialist workshop.
Ambient light warning sup-
port inoperative *T
he ambient lighting may not pr ovide full visual warning support. #
Lock theve hicle and unlock it again aTer a fewminutes. #
Ifth e display message appears regula rly, contact a quali/ed specialist workshop. 442 442
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
ÿ
Coolant Stop Switch off
the vehicle *T
he coolant is too hot. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. &
W WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theev ent of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ *T
here is a malfunction in the engine cooling system. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C. Display messages and
warning/indicator lamps
445
445