radio MERCEDES-BENZ GLS SUV 2020 Owner's Manual

Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page189).
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot forst arting the engine with theke y (/ page189). 438
Displaymessa ges and warning/indicator lamps

Ty
re pressure moni torDisplay messages
Possible causes/consequences and M
MSolutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source As a result, no signals from the tyre pressure sensors are
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the
tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. Tyre press. monitor inoper-
ative No wheel sensors
*T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors.
h
Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop. 482
Display messages and warning/indicator lamps

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

Identification pla
te
Engine.................................................... 41 5
ve hicle................................................... 41 5
Ignition Swit ching on (S tart/S top button).......... 187
Ignition key
see Key
Immobiliser ................................................ 102
Implied warranty
Ve hicle.................................................... 34
In-Car Of fice
Fe atures................................................ 339
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring........................................... 203
Selecting............................................... 203
Inspection see ASS YST PLUS
Instrument clus ter
Fu nction/no tes............................. 304, 305
In stru ment display
Fu nction/no tes..................................... 305 Instrument clu
ster................................... 10
Wa rning/indicator lamps...................... 490
Instrument display and on-boa rd
compu ter
Fu nction/no tes..................................... 304
In te lligent Light Sy stem
Ac tive headla mps.................................. 15 9
Ad aptive Highbeam Assist Plus.............. 161
Corne ring light....................................... 15 9
Fo g light (extended range)..................... 16 0
Mo torw ay mode..................................... 16 0
Overview............................................... 15 9
Switching on/of f.................................... 161
Interior lighting Adjusting............................................... 16 3
Ambient lighting.................................... 16 4
Re ading lam p......................................... 16 3
Switch-off del aytime............................. 16 4
Interior pr otection
Fu nction................................................ 103
Priming/deactivating.............................1 04
Internet radio
see TuneIn Ionisation
Activating/deactivating (MBUX mul‐
timedia sy stem).....................................1 78
iPhone ®
see Smartphone integ ration
ISOFIX child seat securing sy stem
Fitting..................................................... .64
Seats suitable for attaching..................... 62 J
Jack Declaration of conformity........................ 30
Storage location.................................... 401
Jump-start connection General no tes........................................ 382 K
Key Acoustic locking verification signal......... 79
Battery.................................................... 80
Emer gency key........................................ 79
Energy consum ption................................ 79
Fe atures................................................. .78
Ke yring attachment................................ 79 Index
523

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

Sy
stem limitations................................. 255
Tr ailer hitch
Axle load.............................................. .432
Bicycle rack ........................................... 300
Ca re...................................................... 369
Coupling up/uncoupling a traile r.......... 298
Extending/r etra cting the ball nec k........ 296
Extending/r etra cting the ball neck
(MBUX multimedia sy stem)...................2 97
Fa stening points.................................... 431
General no tes........................................4 30
Mounting dimensions............................ 431
No tes....................................................2 95
Overhang dimension.............................. 431
Soc ket.................................................. .298
To ngue weight...................................... .432
To wing capacity.................................... .431
Tr ailer Manoeuv ring Assi st.................... 293
Tr ailer Manoeuvring Assist
Fu nction................................................ 293
Using..................................................... 294
Tr ailer operation
Ac tive Blind Spot Assi st......................... 259
Ac tive Lane Keeping Assist...................2 60
Bicycle rack ........................................... 300 Coupling up/uncoupling a traile
r.......... 298
Extending/r etra cting the ball nec k........ 296
Extending/r etra cting the ball neck
(MBUX multimedia sy stem)...................2 97
No tes....................................................2 95
Soc ket.................................................. .298
Tr ailer stabilisation
Fu nction/no tes..................................... 228
Tr ansfer case
HIGH RANGE......................................... 209
LO W RANGE.......................................... 209
Shifting..................................................2 10
Tr ansmission position display................. 204
Tr anspo rting
Ve hicle..................................................3 88
Tr im element (Care)................................. .370
Tu neIn
Calling up..............................................3 55
Tu rn signal indicator
Ac tivating/deactivating......................... 15 8
TV Information............................................ 352 Tw
o-w ayradios
Fr equencies........................................... 414
No tes on ins tallation.............................. 413
Tr ansmission output (maximum )............ 414
Ty re inflation compressor
see TIREFIT kit
Ty re pressure
Checking (ty repressure monitoring
sy stem)................................................. 396
No tes..................................................... 394
Re starting the tyre pressure monitor‐
ing sy stem.............................................3 97
TIREFIT kit..............................................3 76
Ty re pressure monitoring sy stem
(function)............................................... 396
Ty re pressure table................................ 395
Ty re pressure moni tor
Fu nction................................................ 396
Ty re pressure moni toring sy stem
Checking the tyre pressure...................3 96
Che cking the tyre temp erature............. 396
Re starting.............................................. 397
Ty re pressure table ................................... 395 Index
537