fuses MERCEDES-BENZ GLB SUV 2021 Owners Manual

Wi
ndsc reen wipers and windscreen
wa sher system ............................................ 154
Mir rors ........................................................ 158 Climat
Climat
e contr
e control ol........................................... 161 161
Overview of climate control systems ............ 161
Operating the climate control system .......... 162 Dr
Dr
iving and par
iving and par king
king..................................... 167 167
Driving ........................................................1 67
DY NAMIC SELECT switch ........................... .179
Au tomatic transmission .............................. .182
Fu nction of the 4MATIC ...............................1 86
Re fuelling .................................................... 186
Pa rking .......................................................1 92
Driving and driving saf ety sy stems ............... 199
Tr ailer hitch ................................................ .251
Bicycle rack function ................................... 255
Ve hicle towing instructions .......................... 257 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 258 258
No tes on the inst rument display and on-
board computer .......................................... 258
Overview of instrument display .................... 259
Overview of buttons on the steering wheel ... 260
Operating the on-board computer ................2 60
Overview of displa ysinthe inst rument
display ........................................................ 262
Head-up display .......................................... 262 MBUX multimedia syst MBUX multimedia syst
em
em........................... .265
265
Overview and operation ............................... 265
System settings .......................................... 274
Na vigation .................................................. .278
Te lephone ................................................... 287
Mercedes me app ....................................... 290
Mercedes-Benz emer gency call system ....... 299
Ra dio & media ............................................ .306
Sound settings ............................................ 311 Maint Maint
enance and car
enance and car e
e................................. 312 312
ASS YST PLUS service inter val display .......... 312
Engine compartment ................................... 313 Cleaning and care ....................................... 319 Br
Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 328 328
Emer gency .................................................. 328
Flat tyre ...................................................... 330
Battery (vehicle) .......................................... 336
To w- starting or towing away ........................ 341
Electrical fuses ............................................ 345 Wheels and tyr Wheels and tyr
es
es......................................... 349 349
No tes on noise or unusual handling char-
acteristics ................................................... 349
No tes on regula rly inspecting wheels and
tyres .......................................................... .349
No tes on snow chains ................................. 349
Ty re pressure .............................................. 350
Wheel change ............................................. 354
Emer gency spa rewheel .............................. .364 T T
ec
ec hnical dat
hnical dat a
a............................................. 368 368
No tes on tech nical data .............................. 368
On-board electronics ................................... 368
Re gula tory radio identi/cation and no tes ..... 370 Con
tents
3 3

#
Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* N
NOOTE
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 aut omatic 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. *
N
NOOTE
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
engine compartment (/ page 346).
* NO
NOTE
TE Damage 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. Breakdown assistance
345
345

#
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 346)
R Fuse box in the front passenger foot we ll
(/ page 347)
R Fuse box in the centre of the load compart-
ment (/ page 348) 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 eq uir
uir ements:
ements:
R A dry clo thand a scr ewdriver are available.
Obser vethe no tes on elect rical fuses
(/ page 345).
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. #
Open the bonnet. #
Remo veany existing moisture from the fuse
box using a dry clo th. #
Loosen scr ews1. #
Press clamps 2and liT the fuse box lid up
and out.
The fuse assignment diag ram is in a recess on the
side of the fuse box. 346
346
Breakdown assistance

Closing
Closing
#
Check whe ther the seal is positioned cor rectly
in the lid. #
Place the lid on the fuse box. #
Make sure that clamps 2engage. #
Tighten scre ws1. #
Close the bonnet. 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 f oo
ootw
twell
ell Obser
vethe no tes on elect rical fuses
(/ page 345). Opening
Opening #
LiT carpet 1inthe direction of the ar row. #
Loosen scr ews2 and remo vethe fuse box
lid from theto p.
Closing
Closing #
Place the lid on the fuse box. #
Tighten scre ws2. #
Fold back the carpet. Breakdown assistance
347
347

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 345). #
Open the load compartment 0oor. Fu
se box 1is located underneath the load com-
partment 0oor. 348
348
Breakdown assistance

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.
or #
Check whe ther you are permitted toreplace the light source yourself (/ page 152).
% 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 345).
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
391 391

Electr
Electr
ic par
ic parking br
king br ake
ake
Applying automaticall y........................... 196
Applying/releasing manually.................. 197
Emer gency braking................................ 197
Re leasing automaticall y.......................... 196
Electr
Electr ical fuses
ical fuses
see Fuses
Electr Electr omagne omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .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.................................... 329
Fi rs t-aid kit (soT sided).......................... 329
Re moving thewa rning triangle............... 328
Saf etyve st............................................. 328
Setting up thewa rning triangle............... 329
Emerg
Emerg ency br
ency br aking
aking...................................... 197
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system Eme
rg
Emerg encykey
ency key
Inserting/ removing.................................. 81
Locking/unlocking the doors................... 85
Unlocking theta ilgat e.............................. 92
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .168
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating................................................. 365
No tes..................................................... 364
Engine
Engine Engine number....................................... 371
Starting (emer gency ope ration mode ).... 168
St arting (Remo teOnline)........................ 170
Engine data
Engine data
Displaying.............................................. 181
Engine electr Engine electr onics
onics
No tes..................................................... 368
Engine number
Engine number ............................................. 371
Engine oil
Engine oil Additives................................................ 378
Capacity................................................ 378
Checking the oil le vel using the on-
board computer..................................... 316
MB-F reigabe or MB-Appr oval.................. 378 Quality................................................... 378
To
pping up............................................ .316
ERA
ERA -GL -GLON
ONASS t ASS t es
est modet mode
St arting/ending.................................... .304
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 203
Tr ailer stabilisatio n................................. 203
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 204
Fu nction/no tes...................................... 202
EU type appr ov
EU type appr oval number
al number ............................. 371
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .324
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST Ind
ex
469
469