2020 MERCEDES-BENZ S-CLASS SALOON LONG Owners Manual

R
Make sure that de tach able parts are recon‐
nected in the same way. To
w- starting or towing away Pe
rm itted towing me thods *
NO
TEDama gefrom auto matic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer‐
ta in situations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
R Active Parking Assist
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash Mercedes-Benz
recommends transporting your
ve hicle in the case of a breakdown, rath er than
to wing it away.
Fo rto wing, use a tow rope or tow bar with bo th
axles on the ground. Do not use tow bar sy stems
(/ page 290).
* NO
TEDama getotheve hicle due to tow‐
ing away incor rectly #
Obser vethe instructions and no tes on
to wing away. To
wing with a raised axle: towing should be
per form ed byato wing compan y. Ve
hicles with rear wheel drive Pe
rm itted towing me thods
Bo th axles on
th e ground Ye
s, maximum 50 km at
50 km/h
Fr ont axle
ra ised No
Re ar axle
ra ised Ye
s, if thesteering wheel is
fi xe d in the cent reposition
with a steering wheel lock 4MATIC
vehicles Pe
rm itted towing me thods
Bo th axles on
th e ground Ye
s, maximum 50 km at
50 km/h
Fr ont axle
ra ised No
Re ar axle
ra ised No374
Breakdown assis tance

To
wing theve hicle with bo thaxles on the
gr ound #
Obser vethe no tes on the permitted towing
me thods (/ page374). #
Make sure that the battery is connected and
ch arge d.
When the battery is dischar ged, thefo llowing
actions cannot be per form ed:
R the engine cann otbe star ted
R the electric parking brake cann otbe released
or applied
R the automatic transmission cann otbe shif ted
to position iorj
% Ifth e automatic transmission cann otbe shif‐
te dto position iorthe driver's display in
th e instrument clus ter does not show any‐
th ing, ha vetheve hicle transpor tedaw ay
( / page 376). A towing vehicle with lifting
equipment is requiredforve hicle transpor ta‐
tion. *
NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km mu stnot be
exc eeded. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If ano ther vehicle is tow- star ted or towed
aw ay, its weight must not exceed the permis‐
sible gross mass of your ow nve hicle, other‐
wise thefo llowing could occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veoreve nov erturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed th
e permissible gross mass of your own
ve hicle. If a
vehicle must be tow- star ted or towe daw ay,
its weight must not exceed the permissible gross
mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (/ page478). #
Do not open the driver's door or front
passenger door, otherwise the automatic
transmission automatically shifts toposition
j. #
Fittheto wing eye (/ page377). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion of theto w bar #
Onlyconnect theto w rope or tow bar to
th eto wing eyes. %
Vehicles with tow bar: you can also attach
th eto w bar tothe trailer hitch. Breakdown assis
tance 375

#
Deactivate the automatic locking mecha‐
nism . #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection
(/ page 105). #
Deactivate Active Brake Assi st
( / page 247). #
Shift the automatic transmission toposition
i. #
Release the electric parking brake. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning.
R the energy supply or the on-board electri‐
cal sy stem is malfunctioning. When
your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
and brake than is no rmally requ ired. #
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely before towing theve hicle
aw ay. *
NO
TEDama gedue toexcessive tracti ve
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. Loading the
vehicle for transport #
Obser vethe no tes on towing away
( / page 375). #
Connect theto w bar totheto wing eye in
order toload theve hicle. %
Vehicles with trailer hitch: you can also
attach theto w bar tothe trailer hitch. #
Shift the automatic transmission toposition
i.
% The automatic transmission may be loc ked
in position jintheeve nt of dama getothe
electrics. Toshift toi , pr ovide the on-
board electrical sy stem with po wer
( / page 372). #
Raise theve hicle in order toachie vegreater
ground clearance (/ page 258). #
Load theve hicle onto the transpor ter. #
Shift the automatic transmission toposition
j. #
Use the electric parking brake tosecure the
ve hicle against rolling away. #
Only secure theve hicle bythe wheels. 376
Breakdown assis tance

4MATIC
vehicles #
Make sure that the front and rear axles come
to rest on the same transpor tation vehicle.
* NO
TEDama getothe driv etra in due to
incor rect positioning #
Do not position theve hicle abo vethe
connection point of the transport vehi‐
cle. To
wing eyesto rage location To
wing eye1 is located under the boot floor.
Depending on theve hicle equipment, theto wing
ey e may be located at ano ther position in the
boot. Installing
theto wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise as far as it
will go and tighten.
Ve hicles with a trailer hitch: vehicles with a
trailer hitch do not ha veare ar brac ketfo rthe Breakdown assis
tance 377

to
wing eye. Fasten theto w bar tothe trailer
hitch. #
Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama getotheve hicle due to
incor rect use of theto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w- starting theve hicle (eme rgency engine
st art) *
NO
TEDama getothe automatic trans‐
mission due to tow-starting To
w- starting theve hicle can damage the
automatic transmission. #
Do not tow- start theve hicle. #
Do not tow- start theve hicle. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alw aysre place faulty fuses with speci‐
fi ed new fuses conta iningthe cor rect
amperage. *
NO
TEDama gedue toincor rect fuses Electrical components or sy
stems may be
damaged byincor rect fuses, or their func‐
tionality may be significant lyimpaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses mu
stbe replaced with fuses of the
same rating, which you can recognise bythe col‐
our and fuse rating. The fuse ratings and fu rther
information tobe obser ved can be found in the
fuse assignment diagram.
Fu se assignment diag ram: intheve hicle docu‐
ment wallet.
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem 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 newly inser ted fuse also blo ws, ha vethe
cause traced and rectified at a qualified special‐
ist workshop.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away. 378
Breakdown assis tance

R
All electrical consumers are switched off.
R The ignition is switched off.
The electrical fuses are located in thefo llowing
fuse bo xes:
R Fuse box in the engine compartment on the
driver's side (/ page379)
R Fuse box on the driver's side of the cockpit
(/ page 381)
R Fuse box in the front passenger foot we ll
(/ page 381)
R Fuse box in the boot on theright-hand side
of theve hicle, when vie wed in the direction
of tr avel (/ page 381) Opening and closing
the fuse box in the
engine compa rtment Requ
irements:
R Obser vethe no tes on electrical fuses
(/ page 378).
R Have thefo llowing tools readily available:
- a dry clo th -
a sc rewdriver with an appropriate head
Opening
% Depending on theve hicle equipment, access
to the fuse box may be limited. Mercedes-
Benz recommends consulting a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. &
WARNING Risk of inju ryfrom using the
windscreen wipers while the engine bon‐
net is open
When the engine bonn etis open, and the
windscreen wipers are set in motion, you can
be trapped bythe wiper linkage. #
Alw ays switch off the windscreen wip‐
ers and ignition before opening the
engine bonn et. #
Release thero tary catches on co ver1 and
pull the co ver up and out. #
Remo veany existing moisture from the fuse
box using a dry clo th. Breakdown assis
tance 37 9

#
Depending on theve hicle equipment, there
may be an electrical component 2onthe
fuse box lid. If present, unscr ewscrew 3
and put the component tothe side without
disconnecting the electrical connection. #
If present, release hoses 4from there tain‐
ing clips on the fuse box and vehicle body. #
If present, release hoses 5from there tain‐
ing clips in the engine compartment and
ve hicle body. #
Unscr ew screws6 and fold out bar 7. #
Unscr ew screws8 and remo vefuse box lid
9 tothe side.
Closing #
Check whe ther the seal is positioned cor‐
re ctly in lid 9. #
Place lid 9onthe fuse box and tighten
scr ews8. #
Fold back bar 7and tigh ten scr ews6. 380
Breakdown assis tance

#
If present, engage hoses 5inthere tai ning
clips in the engine compartment and vehicle
body. #
If present, engage hoses 4inthere tai ning
clips on the fuse box and vehicle body. #
If present, insert electrical component 2
into the holder on the fuse box lid and
tighten scr ews3. #
Insert co ver1 and engage thero tary
catches. Opening and closing the fuse box in the
co
ckpit Re
quirements:
R Obser vethe no tes on electrical fuses
(/ page 378). #
Open cover1 inthe direction of the ar row
and remo veit. Opening and closing
the fuse box in the front
passenger foot we ll Re
quirements:
R Obser vethe no tes on electrical fuses
(/ page 378). #
Open cover1 inthe direction of the ar row
and remo veit. Opening and closing
the fuse box in the boot Re
quirements:
R Obser vethe no tes on electrical fuses
(/ page 378). Breakdown assis
tance 381