2020 MERCEDES-BENZ GLS SUV fuse

Light and sight
......................................... 15 6
Exterior lighting .......................................... 15 6
Interior lighting ...........................................1 63
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 16 5
Mir rors ........................................................ 17 0
Area pe rmeable toradio wav es on the
windscreen ................................................ .173
Infrared-reflective windscreen function ...... 173Climate control
......................................... 174
Overview of climate contro l systems ........... 174
Operating the climate control sy stem ......... 175 Driving and pa
rking ................................. 187
Driving ........................................................ 187
DY NA MIC SELECT switch ............................2 01
Au tomatic transmission .............................. 204
Tr ans fer case .............................................. 209
Fu nction of the 4MATIC ...............................2 11
Re fuelling .................................................... 211
Pa rking ........................................................ 217
Driving and driving sa fety sy stems .............2 24
Tr ailer hit ch................................................ 295 Bicycle
rack function .................................. 300
Ve hicle towing instructions ........................ .302 Instrument display and on-board
comp
uter.................................................. 304
No tes on the instrument display and on-
board computer .......................................... 304
Instrument display overview ...................... .305
Overview of the buttons on thesteering
wheel ..........................................................3 06
Operating the on-board computer .............. 306
Overview of what is shown on the multi‐
function display .......................................... 308
Head-up display .......................................... 308 MBUX multimedia sy
stem ....................... 311
Overview and operation .............................. 311
Sy stem settings .......................................... 320
Na vigation .................................................. 324
Te lephone .................................................. .330
Mercedes me and apps .............................. 333
Mercedes-Benz emer gency call sy stem ...... 342
Ra dio, media & TV...................................... 349
Sound settings ........................................... 355 Main
tenance and care ............................. 357
ASS YST PLUS service inter val display ........ 357
Engine compartment .................................. 358
Cleaning and care ...................................... .364 Breakdown assistance
............................372
Emergency ................................................. .372
Flat tyre ...................................................... 374
Battery (vehicle) ......................................... 380
To w- starting or towing away ....................... 385
Electrical fuses ........................................... 390 Wheels and tyres
..................................... 393
No tes on noise or unusual handling char‐
acteristics .................................................. .393
No tes on regular lyinspecting wheels and
tyres .......................................................... .393
No tes on snow chains ................................ 393
Ty re pressure .............................................. 394
Wheel change ............................................ .397
Emergency spare wheel .............................. 407
Collapsible spare wheel .............................. 409 Contents
3

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) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic 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 automatic transmission must
not be tow- star ted. 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 the labelling. The fuse ratings and fur‐
th er information tobe obser ved can be found in
th e fuse assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e load compartment (/ page 392).
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. 390
Breakdown assi stance

#
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.
R All electrical consumers are switched off.
R The ignition is switched off.
The electrical fuses are located in various fuse
bo xes:
R Fuse box in the engine compartment on the
left-hand side of theve hicle, when vie wed in
th e direction of tr avel (/ page 391)
R Fuse box on the driver's side of the cockpit
(/ page 392) R
Fuse box in the front passenger foot we ll
(/ page 392)
R Fuse box in the load compartment on the
ri ght-hand side of theve hicle, when vie wed
in the direction of tra vel (/ page 392) Opening and closing
the fuse box in the
engine compa rtment Re
quirement:
R You need a dry clo thand a sc rewdriver.
Obser vethe no tes on electrical fuses
(/ page 390).
Opening &
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. #
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. Breakdown assis
tance 391

Closing
#
Check whe ther the seal is positioned cor‐
re ctly in the lid. #
Insert the lid into the brac ket at there ar of
th e fuse box. #
Fold down the lid of the fuse box and tighten
scr ews2. #
Close the bonn et. Opening and closing
the fuse box in the
cockpit The fuse box is on
the driver's side on the side of
th e cockpit under a co ver. #
Con tact a Mercedes-Benz Service Centre for
fur ther information. Opening and closing
the fuse box in the front
passenger foot we ll #
Contact a Mercedes-Benz Service Cent refor
fur ther information. Opening and closing
the fuse box in the load
compa rtment Obse
rveth e no tes on electrical fuses
(/ page 390). #
Open the side co ver. #
Remo vecover1.
The fuse allocation chart is on the side of the
fuse box. 392
Breakdown assi stance

Lights
Display messages
Possible causes/consequences and M
MSolutions
: Left dipped beam (examp le) *T
he cor responding light source is defective. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
% LED light sources: the display message forth e cor responding light appears only when allthe light-emitting
diodes in the light are faulty.
: Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a qualified specialist workshop.
* Ve hicles with a trailer hitch: a fuse may haveblown. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the fuses and replace them if necessary (/ page 390).
:
Automatic driving lights
inoperative *T
he light sensor is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 439

see Cruise control
see Driving saf ety sy stem
see DSR
see E- ACTIVE BODY CONTROL
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical low
beam )................................................... .156
Gene ral driving tips.............................. .192
optimised acceleration.......................... 191
Ru nning-in no tes.................................... 19 0
Dr ow siness de tection
see ATTENTION ASSIST
DSR Activating/deactivating................. 244,24 5
Changing theta rget speed.................... 24 5
Fu nction................................................ 24 4
No tes..................................................... 24 4Dynamic handling cont
rol sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Configuri ng drive program I................... 203
Displaying engine da ta.......................... 204
Displaying vehicle dat a.......................... 204
Drive program displ ay........................... 203
Drive programs...................................... 201
Fu nction................................................ 201
Ope rating (DYNAMIC SELECT switch)... 203
Selecting the drive prog ram.................. 203 E
E- AC TIVE BODY CONT ROL
Individual wheel control.........................2 73
Re covery mode...................................... 272
Setting the le vel..................................... 273
Suspension........................................... 269
E10.............................................................. 419
Easy entry feature
Fu nction/no tes..................................... 12 6
Easy exitfeature
Fu nction/no tes..................................... 12 6EBD (Electronic Brake
forc e Distribu‐
tion)
Function/no tes..................................... 230
ECO Assi st
Fu nction/no tes..................................... 19 9
ECO display Function................................................ 19 9
ECO start/s top function
Au tomatic engine start.......................... 197
Au tomatic engine stop...........................1 97
Operation..............................................1 97
Switching off/on................................... 19 8
Electric pa rking brake
Applying automaticall y.......................... 221
Applying or releasing manuall y.............. 222
Emergency braking................................ 223
Re leasing automaticall y......................... 222
Electrical fuses see Fuses
Electrohydraulic suspension see E- ACTIVE BODY CONTROL
Electromagnetic compatibility Declaration of conformity........................ 26 Index
519

Exterior lighting
see Lights
Exterior lighting (care) .............................. 369F
Fa tigue de tection
see ATTENTION ASSIST
Fire extinguisher........................................ 374
Fi rs t-aid kit (soft sided) ............................373
Flacon Inserting/removin g............................... 178
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 375
No tes..................................................... 374
TIREFIT kit..............................................3 76
Wheel chang e....................................... .402
Floor mats.................................................. 154
Fo g light (extended range) ....................... 16 0
Fo il co vering
Ra dar and ultrasonic sensor s................ 224Fo
lding table .............................................. 13 5
Fr ag rance
see Fragrance sy stem
Fr ag rance sy stem
Inserting/removing theflacon.............. .178
Setting................................................... 178
Fr ee driving mode
St arting................................................. .276
Fr ee software.............................................. 38
Fr equencies
Mobile phon e......................................... 414
Tw o-w ayradio........................................ 414
Fr ont airbag (driver, front passenger)...... .45
Fr ont passenger seat
Ad justing from the driver's seat............ 108
Ad justing from there ar........................ .109
Fr ont passenger seat
see Seat
Fu el
Ad ditives...............................................4 20
Diesel.................................................... 420
E10....................................................... .419
Fu elreser ve........................................... 421 Low outside
temp eratures..................... 420
Pe trol..................................................... 419
Quality (diesel )...................................... 420
Quality (p etro l)...................................... .419
Re fuelling............................................... 211
Sulphur content..................................... 419
Ta nk content.......................................... 421
Fu nction seat
see Door cont rol panel
Fu nction seat (rear)
see Seat (rear)
Fu ses
Before replacing a fuse.......................... 390
Fu se assignment diagram..................... 390
Fu se box in the engine compartmen t.... 391
Fu se box in the front passenger foot‐
we ll....................................................... 392
Fu se box in the load compartment........ 392
Fu se box on the dashboard................... 392
No tes....................................................3 90 G
Garage door opener Clearing the memory.............................2 21 Index
521