2021 MERCEDES-BENZ GLS SUV fuse

Interior lighting ............................................ 167
Wi
ndsc reen wipers and windscreen
wa sher system ............................................ 168
Mir rors ........................................................ 173
Area permeable toradio waves on the
windscreen ................................................ .176
Inf rare d-re0ective windscreen function ........ 177 Climat Climat
e contr
e contr ol
ol........................................... 178 178
Overview of climate control systems ............ 178
Operating the climate control system .......... 179 Dr
Dr
iving and par
iving and par king
king..................................... 190 190
Driving ........................................................1 90
DY NAMIC SELECT switch ........................... .205
Au tomatic transmission .............................. .209
Tr ansfer case ............................................. .213
Fu nction of the 4MATIC ...............................2 15
Re fuelling .................................................... 216
Pa rking .......................................................2 22
Driving and driving saf ety sy stems ............... 229
Tr ailer hitch ................................................ .299
Bicycle rack function ................................... 304
Ve hicle towing instructions .......................... 306 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 308 308
No tes on the inst rument display and on-
board computer .......................................... 308
Overview of instrument display .................... 309
Overview of the buttons on the steering
wheel .......................................................... 310
Operating the on-board computer ................3 10
Overview of displa ysinthe inst rument
display ........................................................ 312
Head-up display .......................................... 312 MBUX multimedia syst MBUX multimedia syst
em
em........................... .315
315
Overview and operation ............................... 315
System settings .......................................... 324
Na vigation .................................................. .328
Te lephone ................................................... 337
Mercedes me app ....................................... 340
Mercedes-Benz emer gency call system ....... 349
Ra dio, media & TV....................................... 356
Sound settings ............................................ 362 Maint Maint
enance and car
enance and car e
e................................. 364 364
ASS YST PLUS service inter val display .......... 364 Engine compartment ................................... 365
Cleaning and care ....................................... 371 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 380 380
Emer gency .................................................. 380
Flat tyre ...................................................... 382
Battery (vehicle) .......................................... 387
To w- starting or towing away ........................ 393
Electrical fuses ............................................ 397 Wheels and tyr Wheels and tyr
es
es......................................... 400 400
No tes on noise or unusual handling char-
acteristics ................................................... 400
No tes on regula rly inspecting wheels and
tyres .......................................................... .400
No tes on snow chains ................................. 400
Ty re pressure .............................................. 401
Wheel change ............................................. 404
Emer gency spa rewheel .............................. .414
Collapsible spare wheel ............................... 416 T
T
ec
ec hnical dat
hnical dat a
a............................................. 420 420
No tes on tech nical data .............................. 420 Contents
3
3

F
F
itting and r
itting and r emo
emoving t
ving t heto
he towing eye
wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eye clockwise as far as it
will go and tighten.
V
V ehicles wit
ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:vehicles with a trailer
hitch do not ha veare ar brac ketfo rth eto wing
ey e. Fasten theto w bar tothe trailer hitch. #
Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* N
NO OTE
TE Damage totheve hicle due toincor-
re ct use of theto wing eye or trailer hitch When a
towing eye or trailer hitch is used to
re co ver a vehicle, theve hicle may be damaged
in the process. #
Only use theto wing eye or trailer hitch to
to w awa y or tow start theve hicle. #
Do not use theto wing eye or trailer hitch
to to wtheve hicle during reco very. T
T
o
o w
w -st
-st ar
arting t
ting t he v
he vehicle
ehicle V
V
ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission
ansmission
* NO
NOTE
TEDamage tothe automatic transmis-
sion due to tow-starting The au
tomatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. #
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with an automatic transmission must
not be tow- star ted. Electr
Electr
ical fuses
ical fuses N
No
ot
tes on electr
es on electr ical fuses
ical fuses &
W
WARNING
ARNING Risk of accident and inju rydue
to ove rloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher amper-
age, the electric line could be overloaded.
This could result in a /re. #
Alwaysre place faulty fuses with speci-
/ed new fuses containing the cor rect
amperage. Breakdown assistance
397
397

*
N
NO
OTE
TE Damage due toincor rect fuses Electrical components or systems may be
damaged byincor rect fuses, or their function-
ality may be signi/cantly impaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses must be
replaced with fuses of the
same rating, whi chyou can recognise bythe col-
our and the label. 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:onthe fuse box in the
load compartment (/ page 399).
* 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 various fuse
bo xes:
R Fuse box in the engine compartment on the
leT-hand side of theve hicle, when vie wed in
th e direction of tr avel (/ page 398)
R Fuse box on the driver's side of the cockpit
(/ page 399)
R Fuse box in the front passenger foot we ll
(/ page 399) R
Fuse box in the load compartment on the
ri ght-hand side of theve hicle, when vie wed in
th e direction of tr avel (/ page 399) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in t he engine
he engine
com
com par
par tment
tment R
R
eq
eq uir
uir ement
ement: :
R You need a dry clo thand a scr ewdriver.
Obser vethe no tes on elect rical fuses
(/ page 397).
Opening
Opening &
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. 398
398
Breakdown assistance

#
Remo veany existing moisture from the fuse
box using a dry clo th. #
Loosen scr ews2 and remo vefuse box lid 1
from theto p.
Closing
Closing #
Check whe ther the seal is positioned cor rectly
in the lid. #
Insert the lid into the brac ket at there ar of the
fuse box. #
Fold down the lid of the fuse box and tighten
scr ews2. #
Close the bonnet. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the coc
he coc kpit
kpit R
Obser vethe no tes on elect rical fuses
(/ page 397).
The fuse box is on the driver's side on the side of
th e cockpit under a co ver. #
Toopen and close it, consult a Mercedes-Benz
Service Centre. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the fr
he front
ont
passeng passeng er f er foo
ootw
twell
ell #
Contact a Mercedes-Benz Service Centre for
fur ther information. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the load com-
he load com-
par
par tment
tment Obser
vethe no tes on elect rical fuses
(/ page 397). #
Open the side co ver. #
Remo vecover1.
The fuse assignment diag ram is on the side of the
fuse box. Breakd
own assistance
399
399

Lights
Lights
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
:
Left dipped beam (examp le) *T
he cor responding light source is defecti ve. #
Drive on carefull y. #
Consult a quali/ed specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when all the light-emitting diodes
in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 397).
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop. 448 448
Displ
aymessages and warning/indicator lamps

see
Tra1c Sign Assist
Dr
Dr iving tips
iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 160
Gene ral driving tips................................ 195
optimised acceleration........................... 194
Ru nning-in no tes.................................... 193
Dr ow
Dr ow siness det siness det ection
ection
see ATTENTION ASSIST
DSR
DSR Activating/deactivating.................. 249, 250
Changing thetarg etspeed..................... 250
Fu nction................................................ 249
No tes..................................................... 249
Dynamic handling contr
Dynamic handling control syst ol system
em
see ESP ®
(Elect ronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Calling up the fuel consum ption indi-
cator...................................................... 208
Con/guring drive prog ram I................... .207
Displaying engine data........................... 207
Displaying vehicle dat a........................... 207
Drive prog ram displa y............................ 207
Drive prog rams..................................... .205 Fu
nction................................................ 205
Ope rating.............................................. 207
Selects the drive prog ram...................... 207 E E
E-A
E-A CTIVE BOD
CTIVE BOD Y C
Y CONTR
ONTR OL
OL
Individual wheel cont rol.......................... 277
Re covery mode...................................... 276
Setting the le vel..................................... 277
Suspension............................................ 273
E10
E10.............................................................. 426
Easy entr Easy entr y f y feature
eature
Fu nction/no tes...................................... 129
Easy e
Easy e xit f
xit featu re
eature
Fu nction/no tes...................................... 129
EBD (Electr
EBD (Electr onic Br
onic Brak
ake f
e f or
orce Distr
ce Distr ibution)
ibution)
Fu nction/no tes...................................... 235
EC
EC O Assist
O Assist
Fu nction/no tes...................................... 203
EC
EC O displ ay
O display
Fu nction................................................ 202
EC
EC O st
O st ar
art/st
t/st op function
op function
Switching o./on.................................... 202 Electr
Electr
ic par
ic par king br
king br ake
ake
Applying automaticall y........................... 226
Applying/releasing manuall y.................. 227
Emer gency braking................................ 227
Re leasing automaticall y.......................... 227
Electr
Electr ical fuses
ical fuses
see Fuses
Electr Electr oh ohydr
ydr aulic suspension
aulic suspension
see E- ACTIVE BODY CONTROL
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of con form ity......................... 26
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Assis tance overview.................................18
Fire extinguisher.................................... 381
Fi rs t-aid kit (soT sided).......................... 381
Re moving thewa rning triangle............... 380
Saf etyve st............................................ .380
Setting up thewa rning triangle............... 381
Emerg
Emerg ency br
ency br aking
aking...................................... 227
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System) 532
532
Index

F
F
og light (enhanced)
og light (enhanced) .................................... .164
F
F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 229
F
F olding t
olding t able
able................................................ 138
Fr
Fr agr
agr ance
ance
see Frag rance system
Fr
Fr agr
agr ance syst
ance syst em
em
Inserting/ removing the 0acon................1 82
Setting................................................... 182
Fr
Fr ee dr
ee dr iving mode
iving mode
St arting................................................ .280
Fr
Fr ee
ee soTw
soTw are
are................................................. 41
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 421
Tw o-w ayradio........................................ 421
Fr
Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 48
Fr
Fr ont passeng
ont passeng er seat
er seat
Ad justing from the driver's seat.............. 111
Ad justing from there ar.......................... 112
Fr
Fr ont passeng
ont passeng er seat
er seat
see Seat F
F
uel
uel
Additives................................................ 427
Diesel.................................................... 427
E10........................................................ 426
Fu elreser ve........................................... 429
Low outside temp eratures...................... 427
Pe trol..................................................... 426
Quality (diesel )....................................... 427
Quality (petrol)....................................... 426
Re fuellin g.............................................. .216
Sulphur content..................................... 426
Ta nk content.......................................... 429
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 208
F
F unction seat
unction seat
see Door cont rol panel
F
F unction seat (r
unction seat (r ear)
ear)
see Seat (rear)
F
F uses
uses
Before replacing a fuse.......................... 397
Fu se assignment diag ram. ...................... 397
Fu se box in the engine compartment......3 98
Fu se box in the front passenger foot-
we ll........................................................ 399 Fu
se box in the load compartment......... 399
Fu se box on the dashboar d.................... 399
No tes..................................................... 397 G
G
Gar
Gar ag
age door opener
e door opener
Clea ring the memory.............................. 225
Gar
Gar ag
age door openers
e door openers
Opening/closing the door......................2 25
Prog ramming buttons............................. 223
Re solving problems................................ 225
Syn chronising thero lling code................ 224
Gear
Gear shiT
shiT r
recommendation
ecommendation........................... 212
Genuine par
Genuine par ts
ts................................................ 23
Glide mode
Glide mode.................................................. 212
Glov
Glov e box
e box
Air vent.................................................. 188
Gr
Gr oss mass
oss mass.................................................. 423 H
H
Handbr
Handbr ake
ake
see Electric parking brake
Handling c
Handling c har
haract
acter
eris
istics (unusual)tics (unusual) ................ 400 534
534
Ind
ex