2019 MERCEDES-BENZ GLS SUV warning

We
lcome totheworl d of Mercedes-Benz
Before youfirs t drive off, read this Owner's Man‐
ual carefully and familiarise yourself with your
ve hicle. Foryo ur ow n sa fety and a longer operat‐
ing li fespan, follow the instructions and warning
notices in this Owner's Manual. Disregarding
th em may lead todamage totheve hicle or per‐
sonal injur y.
The equipment or model designation of your
ve hicle may vary according to:
R Model
R order
R national version
R availability
The illustrations in this Owner's Manual show a
left-hand drive vehicle. On right-hand-drive vehi‐
cles, the la yout of co mponents and contro l ele‐
ments dif fers accordin gly.
Mercedes-Benz is cons tantly de veloping its vehi‐
cles fur ther. Mercedes-Benz
therefore reser vesth eright to
int roduce changes in thefo llowing areas:
R design
R equipment
R tech nical features
The equipment in your vehicle may therefore dif‐
fe r from that shown in the descriptions and illus‐
trations.
The following are integral parts of theve hicle:
R Digital Owner's Manual
R Printed Owner's Manual
R service booklet
R equipment-dependent Supplements
Ke ep these documents in theve hicle at all
times. If you sell theve hicle, alw ays pass all of
th e documents on tothe new owner.
1675841303Z102
1675841303Z102

Wheels and tyres
..................................... 57 0
No tes on noise or unusual handling char‐
acteristics .................................................. .570
No tes on regular lyinspecting wheels and
tyres .......................................................... .570
No tes on snow chains ................................ 570
Ty re pressure .............................................. 571
Wheel change ............................................ .580
Emergency spa rewheel .............................. 588
Collapsible spare wheel .............................. 589 Te
ch nical data .......................................... 593
No tes on tech nical da ta.............................. 593
On-board electronics .................................. 593
Ve hicle identification plate, VIN and
engine number overview ............................ 595
Operating fluids .......................................... 597
Ve hicle data ................................................ 605
Tr ailer hit ch................................................ 609 Displ
aymessages and warning/indi‐
cator lamps ............................................... 611
Displ aymessa ges ........................................6 11
Wa rning and indicator lamps ...................... 665 Index
......................................................... 67 94
Contents

Wi
descreen Cockpit 10
Ataglance – Warning and indicator lamps

1
Speedom eter →
319
2 #! Turn signal indicators →
15 8
3 ï Trailer hit chis not operational or is swiv‐
elling →
677
4 Multifunction display →
324
5 6 Restra int sy stem →
37
6 Rev counter →
319
7 å ESP®
OFF →
666
÷ ESP®
→
666
8 R Rear fog light →
15 8
9 K High beam →
15 8
L Low beam →
157
T Standing lights →
157
A ? Coolant too hot/cold →
673
B Coolant temp erature display →
319
C ! Electric pa rking brake malfunctioning
(yellow) →
666 D
J Brakes (yellow) →
666
E ± Active Lane Change Assi st→
253
F L Distance warning →
672
G # Electrical fault →
673
H Ð Powe r-assis tedsteering malfunction →
677
I ! ABS malfunction →
666
J h Tyre pressure monitor →
675
K % Diesel engine: preglow
L 8 Fuelreser vewith fuel filler flap location
indicator →
673
M Fuel le vel display
N ! Electric parking brake applied (red) →
666
O J Brakes (red) →
666
P ü Seat belt not fastened →
671
Q ; Engine diagnosis →
673
R Suspension malfunction At
aglance – Warning and indicator lamps 11

What
todo in theeve nt of an accident
1 QR code for accessing there scue card →
32
2 Safetyve sts →
549
3 Fire extinguisher →
550
4 Buttons forth e SOS emer gency call sy stem
and breakdown assis tance →
480
5 Haza rdwa rning lights →
15 9
6 Tocheck and top up operating fluids →
597
St arting assis tance →
561 7
Totow- start and tow aw ay →
563
8 Flat tyre →
550
9 Totow- start and tow aw ay →
563
A Fuelfiller flap with instruction labels for tyre
pressu re, fuel type and QR code for accessing
th ere scue card →
212
B TIREFIT kit →
553
C Warning triangle →
549
D First-aid kit (so ftsided) →
550 At
aglance – Emer gencies and breakdowns 19

Calling up
the Digital Owner's Manual
Multimedia sy stem:
4 © 5
Info 5
Owner's Manual 5
Õ The Digital Owner's Manual describes
the func‐
tion and operation of:
R theve hicle
R the multimedia sy stem #
Select one of thefo llowing menu items in the
Digital Owner's Manual:
R Search: sea rchfo rke ywords in order tofind
qu ick answers toquestions about the opera‐
tion of theve hicle. R
Quick start: find thefirs tst eps towa rds set‐
ting up your vehicle.
R Tips: find information that prepares youfor
cer tain eve ryday situations with your vehicle.
R Animations: watch animations of selected
ve hicle functions.
R Messages: recei veadditional information
about the messages in the instrument dis‐
pla y.
R Bookmarks: gain access to your personally
sa ve d bookmar ks.
R Language: select the language forth e Digital
Owner's Manual. 1
Back
2 Adds bookmar ks
3 Picture
4 Contents section
5 Directions of mo vement of contents section
6 Menu
Some sections in the Digital Owner's Manual,
e.g. warning no tes, can be opened and closed.
Ad ditional methods of calling up the Digital
Owner's Manual:
Di rect access: openthere qu ired con tent in the
Digital Owner's Manual bypressing and holding 20
Digital Owner's Manual

This is
the case in thefo llowing situations:
R theve hicle type is dif fere nt from that for
which theve hicle's general operating pe rmit
wa s granted.
R other road users could be endangered.
R theex haust gas or noise le velge ts wo rse.
Alw ays specify theve hicle identification number
(VIN) (/ page 595) when ordering Mercedes-
Benz Genuine Parts. Owner's Manual
This Owner's Manual describes all models and
all standard and optional equipment available for
yo ur vehicle at the time of this Owner's Manual
going topress. Countr y-specific dif fere nces are
possible. No tethat your vehicle may not be fit‐
te d with all features desc ribed. This is also the
case for sy stems and functions releva nt to
saf ety. Therefore, the equipment on your vehicle
may dif fer from that in the descriptions and illus‐
trations. The original pur
chase ag reement foryo ur vehicle
contains a list of all of the sy stems in your vehi‐
cle.
Should you ha veany questions concerning
equipment and operation, please consult a
Mercedes-Benz Service Centre.
The Owner's Manual and Service Booklet are
impor tant documents and should be kept inthe
ve hicle. Operating saf
ety &
WARNING Risk of accident due tomal‐
functions or sy stem failures
If yo u do not ha vethe prescribed service/
maintenance workor any requ ired repairs
car ried out, this could result in malfunctions
or sy stem failures. #
Alw ays ha vethe prescribed service/
maintenance workas well any required
re pairs car ried out at a qualified spe‐
cialist workshop. &
WARNING Risk of accident and inju ryas
a re sult of incor rect modifications to
electronic component parts
Modification toelectronic components, their
software or wiring could impair their function
and/or the function of other networ ked com‐
ponent parts. In particular, sy stems releva nt
to saf ety could also be af fected.
As a result, they may no longer function as
intended and/or endanger the operating
saf ety of theve hicle. #
Neverta mp er with the wiring and elec‐
tronic component parts or their soft‐
wa re. #
You should ha veall workon electrical
and electronic components car ried out
at a qualified specialist workshop. If
yo u modify the on-board electronics, thege n‐
eral operating pe rmit is rende red in valid.
Obser vethe "On-board electronics" section in
"Technical data". 24
General no tes

&
WARNING Risk offire due toflammable
materials on hot parts of theex haust
sy stem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem. #
When driving on unpa vedro ads or off-
ro ad, regular lych eck theve hicle under‐
side. #
Remo vetrapped plants or other flam‐
mable material, in particular. #
Ifth ere is damage, consult a qualified
specialist workshop immediately. *
NO
TEDama getotheve hicle In
thefo llowing situations, in particular, there
is a risk of damage totheve hicle:
R theve hicle becomes grounded, e.g. on a
high kerb or an unpa vedro ad R
theve hicle is driven toofast over an
obs tacle, e.g. a kerb, speed bump or pot‐
hole
R a heavy object strike sth e underbody or
ch assis components
In situations such as this, the body, the
underbody, chassis components, wheels or
tyres could be damaged without the damage
being visible. Components damaged in this
wa y can unexpec tedly fail or, in the case of
an accident, may not absorb the loads that
arise as intended.
If th e underbody panelling is damaged, flam‐
mable materials such as lea ves, grass or
twigs can collect between the underbody and
th e underbody panelling. These materials
may ignite if they come into contact wi thhot
parts on theex haust sy stem. #
Have theve hicle checked and repaired
immediately at a qualified specialist
wo rkshop.
or #
If driving saf ety is impaired while con‐
tinuing your journe y,pull over and stop
th eve hicle immediately in accordance
with the traf fic conditions, and contact
a qu alified specialist workshop. Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology) &
DANG ER Risk of fata l injury bytouching
damaged high-voltage co mponents
Ve hicles with a 48 V on-board electrical sys‐
te m contain individual high-voltage compo‐
nents. These high-voltage components are
under high voltage.
If yo u modify co mponent parts of these high-
vo ltage components or touch damaged com‐
ponent parts, you may be electrocuted.
High voltage components may be damaged
in an accident, although the damage may not
be visible. #
Never per form modifications tocompo‐
nent pa rts of high-voltage components. General no
tes25