2019 MERCEDES-BENZ GLS SUV warning light

Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Wa rning and indicator lamps:
L Low beam(/
page157)
T St
anding lights(/ page157)
K High beam(/
page158)
#! Tu
rn signal lights( /page 158)
R Re
ar fog light(/ page157)
6 Re
stra int sy stem(/ page 666)
ü Seat belt not
fastened(/ page671)
J Brakes (yellow)(/
page 666)
J Brakes (red)(/
page 666)
! Electric pa
rking brake (yellow)
(/ page 666)
! Electric parking brake (red)
(/
page 666)
! ABS malfunction(/
page 666)÷
ESP®
(/ page 666)
å ESP®
OFF(/ page 666)
L Distance warning(/ page672)
Ù Powe r-assis tedsteering malfunc‐
tion(/ page677)
ä AIRMATIC/E- ACTIVE BODY CON‐
TROL malfunction (/ page672)
+ Off-road
gear (/ page210)
Ì On-road position (/ page 210)
; Engine diagnostics(/
page 673)
% Preglow
# Electrical
fault( / page 673)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator(/ page673)
? Coolant
too hot/cold(/ page673)
h Ty
re pressure monitor( /page 675)
ï Tr
ailer hit chis not operational or is
swiveling(/ page677) Displ
aymessa ges and warning/indicator lamps 665

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance may increase in
an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop.
÷ ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tyre assembly has reached its traction limit (/ page 230). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other drive sy stems and driving saf ety sy stems may also be malfunctioning. 668
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Risk of inju rydue tomalfunctions in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or may not
deploy as intended during an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y. Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page41).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. Display messa
ges and warning/indicator lamps 671

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(/ page41).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function The
red dis tancewarning 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 235).
ä Suspension warning lamp The
yellow AIRMATIC/E -ACTIVE BODY CONTROL warning lamp is on.
There is a fault in the AIRMATIC/E -ACTIVE BODY CONTROL. #
Obser vethe messages on the multifunction displa y.672
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 536). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired. Display messages and
warning/indicator lamps 675

Calling up
the sound menu
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Burmes ter®
sur round sound sy stem ....5 16
Calls .......................................................... 460
Ac cepting ............................................ 460
Ac tivating functions du ring a call ......... 461
Calls wi thseveral participants ............ .461
Declining ............................................. 460
Ending a call ........................................ 460
In Car Of fice ........................................ 469
Incoming call du ring an existing call .... 461
Making ................................................ 460
Mercedes me connect ........................ .477
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car telephony
see Telephone
Car wash
see Care
Car wash (care) ....................................... 538 Car-to-X-Communication
Displaying hazard warnings ................ .435
Overview ............................................. 435
Sending haza rdwa rnings .................... 436
Care .......................................................... 547
Air-water duct ...................................... 538
Car wash ............................................. 538
Carpet .................................................5 47
Deco rative foil .................................... .543
Displ ay................................................. 547
Exhaust pipes ...................................... 545
Exterior lighting ................................... 545
High-pressu recleaner ......................... 540
Pa int wo rk ............................................ 542
Plastic trim .......................................... 547
Re alwo od/trim elements .................... 547
Re versing camera/360° Camera ........ 545
Ro of lining ...........................................5 47
Seat belt .............................................. 547
Seat co ver ........................................... 547
Senso rs............................................... 545
Tr ailer tow hit ch................................... 545
Wa shing byhand ..................................5 41
Wheels/rims ....................................... 545
Wi ndo ws .............................................. 545Wi
per blades .......................................5 45
Carpet (Care) ............................................ 547
Changing gears ........................................ 207
Manually .............................................. 207
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 157
Cha rging
Bat tery (vehicle) ...................................5 61
Mobile phone (wireless) ....................... 154
USB port ..............................................1 53
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 394
Re ar door .............................................. 79
Re ar side wind ows ................................. 80
Child seat Appr oval categories .............................. .59
At tach ing (no tes) ................................... 58
Basic instructions ..................................52
Fr ont passenger seat (no tes) ................. 77
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 76
ISOFIX/i-Size (fitting) ............................ 67 Index
685

4Engine oil le
velRe duce oil le vel...6 43
4Engine oil le velSt op vehicle
Switch engine off ................................ 642
4 Engine oil pressure Stop Switch
off engine ............................................ 643
Fa ult Drive at max. 80 km/h ...............636
6Fr ont left malfunction Consult
wo rkshop (Example) ............................6 20
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 621
Fr ont-passenger airbag enabled See
Owner's Manual ..................................6 22
b Hazard warning lamps mal‐
functioning .......................................... 663
&inoperative Bat tery low ................ 661
&inoperative Refuel vehicle ........... 662
&inoperative See Owner's Man. ..... 661
!inoperative See Owner's Man‐
ual ........................................................ 61 3÷
inope rative See Owner's Man‐
ual ....................................................... .614
T inope rative See Owner's Man‐
ual ....................................................... .615
G Inoperative .................................. 625
bIntellige nt Light System inoper‐
ative ....................................................6 64
Á Key not de tected (red displ ay
messa ge).............................................6 56
ÁKe y not de tected (white displ ay
messa ge).............................................6 55
bLeft dipped beam (Example) ....... 662
6Left wind owbag malfunction
Consult workshop (Example) ............... 621
Limiter inoperative .............................. 636
Limiter passive .................................... 636
 Lowe ring .................................... 626
bMalfunction See Owner's Man‐
ual ....................................................... 662
ðMaximum speed exceeded ..........6 36 Mercedes me connect Services limi‐
te
d See Owner's Manual .....................624
Mo tor can be star ted again .................6 39
N permanently active Risk of vehicle
ro lling .................................................. 647
ç Off............................................... 635
ëOff ............................................... 633
Only select Park (P) when vehicle is
st ationary ............................................ 648
ï Operation only possible in
transmission position P ....................... 658
!Pa rking brake See Owner's
Manual ................................................ .616
Á Place theke y in the mar ked
space See Owner's Manual ................. 656
KPlease check direction of tr avel ...... 631
Please reduce speed ...........................6 27
Û Please wait Charging high- volt‐
age battery .......................................... 640 Index
691

Fr
equencies
Mobile phone ...................................... 594
Tw o-w ayradio ...................................... 594
Fr equency band
Dialling (on-board computer) .............. .329
Fr ont airbag (driver, front passenger) .....42
Fr ont passenger seat
Ad justing from the driver's seat ........... 11 5
Ad justing from there ar ........................ 11 5
Fu el .......................................................... .600
Ad ditives .............................................6 00
Diesel ................................................. .600
E10 ...................................................... 599
Fu elreser ve ......................................... 601
Low outside temp eratures ...................6 00
Pe trol ................................................... 599
Quality (diesel) .................................... 600
Quality (p etro l) .................................... 599
Re fuelling ............................................. 212
Sulphur content ................................... 599
Ta nk content ........................................ 601
Fu el consum ption
On-board computer ............................ .326 Fu
el consum ption indicator
Calling up ............................................ 205
Fu nction seat
see Door cont rol panel
Fu nction seat (rear)
see Seat (rear)
Fu ses ........................................................ 567
Before replacing a fuse ........................ 567
Fu se assignment diagram .................... 567
Fu se box in the engine compartment .. 567
Fu se box in the front passenger foot‐
we ll ...................................................... 568
Fu se box in the load compartment ...... 568
Fu se box on the dashboard ................. 568
No tes ................................................... 567 G
Garage door opener Cleari ngthe memory ........................... 222
Opening or closing the door ................2 22
Programming buttons .......................... 220
Ra dio equipment appr oval numbers .... 223
Re solving problems ............................. 221
Synchronising thero lling code ............ .221 Gearshift
recommendation .................... 208
General operating permit number
(EU) .......................................................... .595
Genuine parts ............................................ 23
Glide mode ............................................... 209
Global sear ch
Fu nction .............................................. 377
Overview ..............................................3 76
Glo vebox
Air vent ................................................ 188
Locking/unlocking .............................. 13 4 H
Handbrake see Electric parking brake
Handling characteristics (unusual) .......570
HANDS-FREE ACCESS ................................ 94
Hazard warning lights ............................ .159
HD prog rammes
see CI+ module
Head restra int
Fr ont (adjusting mechanically) .............1 20 Index
697