brake fluid MERCEDES-BENZ GLS SUV 2020 Owners Manual

Maintain a dis
tance of at least 70 cm
between thefo il-c ove red parts of theve hicle
and the nozzle of the high-pressure cleaner.
Mo vethe high-pressure cleaner nozzle
around whilst cleaning. The waterte mp era‐
ture of the high-pressure cleaner must not
ex ceed 60°C.
R obser vethe information on the cor rect dis‐
ta nce in the implement manufacturer's oper‐
ating instructions.
R do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, e.g. tyres,
ga ps, elect rical components, batteries, light
sou rces and ventilation slits. Wa
shing theve hicle byhand *
NO
TEEngine dama gedue towater
ingress #
Take care not topoint thewate r jet
directly towa rdsth e air inlet grille below
th e bonn et. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted
in specially designated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle off with water and
dry using a chamois.
% Obse rveth e no tes on the care of car parts
(/ page 369). Note
s on paint work/matt finish paint work
care Obse
rveth e no tes on cleaning and care toavo id
damaging the paintwork and inter fering wi th the
driver assis tance sy stems.
Pa int
R Insect remains: soak with insect remo ver and
ri nse off the treated areas af terw ards.
R Bird droppings: soak with water and rinse off
af te rw ards. R
Tree resin, oils, fuels and greases: remo veby
ru bbing gently wi tha clo thsoaked in petro‐
leum ether or lighter fluid.
R Coolant and brake fluid: remo vewith a damp
clo thand clean water.
R Tarst ains: use tar remo ver.
R Wax: use silicone remo ver.
R Do not attach sticke rs,fi lms or similar mate‐
ri als. On ly havefilm attached tothe bumper
at a qualified specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt finish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach sticke rs,fi lms or similar mate‐
ri als. On lyha ve film attached tothe bumper
at a qualified specialist workshop.
R Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards. Main
tenance and care 367

+
ENVIRONMENTAL
NOTEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thefo llowing:
R fuels
R DeNOx agent AdBlue ®
forex haust gas af ter‐
treatment
R lubri cants
R coolant
R brake fluid
R windsc reen washer fluid
R climate cont rol sy stem refrigerant
Only use products app rove dby Mercedes-Benz.
Damage caused bythe use of products that ha ve
not been appr oved is not co veredby the
Mercedes-Benz warranty or goodwill gestures.
The operating fluids appr ovedby Mercedes-Benz
can be identified bythefo llowing insc ript ions on
th e conta iner: R
MB- Freigabe (e.g. MB-Fr eigabe 229.51 )
R MB-Appr oval (e.g. MB-App rova l 229.51)
Fu rther information on appr oved operating flu‐
ids:
R inthe Mercedes-Benz Specifications for
Operating Fluids byentering the designation
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a qualified specialist workshop &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. &
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. 41 8
Tech nical da ta

appr
ovedSA E viscosity classes mu stbe
obser ved.
Mercedes-Maybach GLS 600 4MATIC: only
use SAE 0W-40 or SAE 5W-40 engine oils.
% Ifth e engine oils lis ted in theta ble are not
av ailable, you may add a maximum of
1. 0 litr e ofthefo llowing engine oils once
onl y.
Engine oils for one-time filling only in exceptional
cases:
R petrol engines:
- GLS 450 4MATIC: MB-Freigabe or MB-
Appr oval 229. 31orAC EA C3
- GLS 580 4MATIC: MB-Freigabe or MB-
Appr oval 229. 51orAC EA C3
- Mercedes-Mayba chGLS 600 4MATIC:
MB-F reigabe or MB-Appr oval 229.3 or
AC EA A3/B4
R diesel engines: MB-Freigabe or MB-Appr oval
229. 51orAC EA C3
The following values referto an oil change,
including the oil filter. Model
Capacity
GLS 580 4MATIC 9.5 litres
All other models 8.5 litres Mercedes‑Maybac
hCapacity
Mercedes-Mayba ch
GLS 600 4MATIC 9.5 lit
res Note
s on brake fluid Obser
vethe no tes on operating fluids
(/ page 417). &
WARNING Risk of an accident due to
va pour poc kets form ing in the brake sys‐
tem
The brake fluid cons tantly absorbs moi sture
from the air. This lo wersthe boiling point of
th e brake fluid. If the boiling point is too lo w,
va pour poc kets may form inthe brake sys‐
te m when the brakes are applied hard.
This impairs the braking ef fect. #
Have the brake fluid rene we d at the
specified inter vals. Ha
ve the brake fluid regularly replaced at a
qu alified specialist workshop.
Only use a brake fluid appr ovedby Mercedes-
Benz according toMB-F reigabe or MB-Appr oval
33 1.0. Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(/ page 417). &
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. #
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. 424
Tech nical da ta

Display messages
Possible causes/consequences and M
MSolutions
! Turn on the ignition to
release the parking brake *
The red! indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch on the ignition.
J Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Check brake pads See
Owner's Manual *T
he brakepads ha vereached thewe ar limit. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 459

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) *T
he red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. #
Notethe messages on the multifunction displa y. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 499

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
æ Ac tive Brake Assi stwa rning
lamp *T
he white Active Brake Assi stwa rning lamp is lit.
The sy stem is switched off or una vailable.
L Wa rning lamp for dis tance
wa rning function *T
he red dis tance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Fu nction of Active Brake Assi st (/ page 248). 500
Displaymessa ges and warning/indicator lamps

Fu
nction................................................ 257
Sy stem limitations................................. 257
Blo wer
see Climate control
BlueTEC see AdBlue ®
Boot lid see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes..................................................... 424
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................2 30
Brakes ABS (Anti-lock Braking Sy stem).............2 26
Ac tive Brake Assi st................................ 24 8
Ad aptive brake light s............................ .231
BA S (Brake Assi stSystem).................... 227
Driving tips............................................ 19 2
EBD (Electronic Brake forc e Distribu‐
tion)....................................................... 230 HOLD function......................................2
30
Limi ted braking ef fect (salt-trea ted
ro ads).................................................... 19 2
New/replaced brakepads/brake
discs...................................................... 19 0
Po st-collision brake................................. 54
Ru nning-in no tes.................................... 19 0
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions................ 18
To w- starting.......................................... 390
To wing away.......................................... 386
Tr ansporting theve hicle........................ 388
Wheel chang e....................................... .402
Breakdown see Flat tyre
Buttons Steering wheel...................................... 306 C
Calls Mercedes me........................................ 335
Camera....................................................... 272Camera
see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care)......................................... 364
Car-to-X-Communication Displaying hazard warnings.................. .329
Care 360° camera......................................... 369
Air-water duct....................................... .364
Au tomatic car wash...............................3 64
Carpe t.................................................. .370
Decorative foil...................................... .368
Displ ay.................................................. 370
Exterior lighting.................................... .369
High-p ressure cleaner........................... 366
Pa int wo rk.............................................. 367
Plastic trim............................................ 370
Re alwo od/trim elements..................... 370
Re versing camera................................. .369
Ro of lining............................................. 37051 0
Index

¯
AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual.................................................. 487
¯ AdBlue sy stem fault Engine
st art not possible................................. .488
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... .487
5 Add 1 litre engine oil when
next refuelling....................................... 488
é ATTENTION ASSIST inoperative ....460
é ATTENTION ASSIS T:Take a
break!....................................................4 60
: Automatic driving lights inoper‐
ative...................................................... 439
Á Change key bat teries .................... 437
J Check brake fluid le vel................. 459
# Check brake pads See Owner's
Manual.................................................. 459
ï Check trailer hitch lo ck................ 443
h Check tyre(s)............................... .483 !
Clean the fuel filter ...................... 452
Á Compressor is cooling ..................473
ÿ Coolant Stop vehicle Switch
engine off..............................................4 51
_ Currently una vailable Camera
view restricted....................................... 469
ç Currently unavailable Radar
sensors dirty.........................................4 68
! currently una vailable See Own‐
er's Manual ............................................ 474
÷ currently una vailable See Own‐
er's Manual ............................................ 475
5 Engine oil le vel cannot be
measured .............................................. 490
5 Engine oil le velRe duce oil le vel.... 489
5 Engine oil le velSt op vehicle
Switch engine off.................................. 489
5 Engine oil pressure Stop
Switch off engine.................................. 490 ä
Fault Drive at max. 80 km/h
...................................................... 470, 471
ä Fault Stop.....................................4 71
6 Front left malfunction Consult
wo rkshop (e xample).............................. 434
& inoperative Battery low................ 442
& inoperative Refuel vehicle ............ 442
& inoperative See Owner's Man....... 441
! inoperative See Owner's Manual ..475
÷ inoperative See Owner's Manual ..476
T inoperative See Owner's Man‐
ual......................................................... 477
G Inoperative................................... 478
î inoperative................................... 463
: Intelligent Light Sy stem inoper‐
ative...................................................... 440
Á Key not de tected (red displ ay
messa ge)............................................... 438
Á Key not de tected (white displ ay
messa ge)............................................... 437 514
Index

:
Left dipped beam (e xamp le)........ .439
6 Left wind owbag malfunction
Consult workshop (e xample)................ .434
 Lowe ring....................................... 472
: Malfunction See Owner's Man‐
ual......................................................... 439
î Max. speed 40 km/h...................4 64
ð Maximum speed exceeded ........... 463
î Notpossible in cur rent drive
program ................................................ 464
Ø ..................................................... 486
ç Off................................................ 462
ë Off................................................ 460
ï Operation only possible in
transmission position P .........................443
! Parking brake See Owner's
Manual .................................................. 455
Á Please reduce speed .................... 473
Ý Please wait 48 V battery charg‐
ing ........................................................ .481 h
Rectify tyre pressure.................... 483
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 485
! Release parking brake .................. 458
¸ Replace air cleaner ...................... 452
Á Replace key.................................. 437
8 Reser vefuel le vel......................... 452
6 Restra int sys. malfunction Con‐
sult workshop........................................ 434
# See Owner's Manual....................4 79
y Siderunning board not exten‐
ded........................................................ 445
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ......446
Ù Steering malfunction Stop
immediately See Owner's Manual .........446
# Stop vehicle Lea veengine run‐
ning ....................................................... 480
# Stop vehicle See Owner's Man‐
ual......................................................... 480 ç
suspended................................... 462
: Switch off lights...........................4 40
: Switch on headla mps................... 440
Ø Top up AdBlue Emergency op.
in XXX miles See Owner's Manual......... 486
+ Top up coolant See Owner ’s
Manual.................................................. 450
¥ Top up washer fluid ...................... 450
ï Trailer coupling extending…......... 443
! Turn on the ignition torelease
th e parking brake..................................4 59
d Vehicle is operational Switch
off ignition before exiting..................... .443
Á Vehicle rising Please wait............ .472
Á Vehicle rising................................4 72
h Warning tyre defect..................... .484
h Wheel sensor(s) missing .............. 482
Ø XX,X l Top up AdBlue Switch on
ignition, wait 60 sec. or eng. start
not poss................................................ 486 Index
515

N
Na vigation
No tes..................................................... 324
Overview............................................... 325
Showing/hiding the menu..................... 324
Switching on.......................................... 324
Na vigation
see Destination entry
see Map
see Route
Ne utral
Engaging............................................... 205 O
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see Automatic measu res af ter an accident
see Pets in theve hicle
see Post-collision brake
see PRE-SAFE ®
(anticipa tory occu‐
pant pr otection)
see PRE-SAFE ®
Impulse Side see PRE-SAFE
®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Off-road Assist Setting................................................... 276
Off-road driving......................................... 194
Off-road driving see Off-road driving
Off-road ESP ®
(Electronic Stability
Prog ram)
Switching on/o ff................................... 229
Off-road light.............................................. 161
Oil see Engine oil
On-board computer Displaying the service due dat e............. 357
Head-up displ aymenu........................... 309
Multifunction display............................. 308
Operating.............................................. 306
Overview of menus................................ 306
On-board diagno stics inter face
see Diagno stics connection On-boa
rdelectronics
Engine electronic s................................. 413
No tes..................................................... 413
Tw o-w ayradios...................................... 413
Online services Data storage............................................ 37
Online services see In-Car Of fice
Open-source so ftwa re................................ 38
Opening the tailgate using your foot
HANDS-FREE ACCES S............................. 89
Ope rating fluids
Ad Blue ®
................................................. 421
Ad ditives (fuel)......................................4 20
Brake fluid............................................. 424
Coolant (engine).................................... 424
Engine oil............................................. .422
Fu el (diesel)...........................................4 20
Fu el (petrol)...........................................4 19
No tes..................................................... 417
Wi ndsc reen washer fluid...................... .425
Operating saf ety
48 V on-boa rdelectrical sy stem.............. 24528
Index