engine MERCEDES-BENZ GLB SUV 2019 Owners Manual

Off-road driving
vehicle data Fo
rding dep th
* NO
TEDama gecaused bywate r when
fo rd ing Wa
ter can enter the engine compartment
and vehicle interior in thefo llowing cases:
R the maximum permissible ford ing dep th
when driving thro ugh standing water is
ex ceeded
R a bow wavefo rm s during ford ing
R wate r accumulates during ford ing of flow‐
ing water #
Do not exceed the maximum permissi‐
ble ford ing dep thand drive slowly
th ro ugh thewa ter. The specified
value indicates the maximum per‐
missible ford ing dep thforve hicles that are ready
to drive (fuel tank full, all fluids topped up, driver
in theve hicle) and for slow driving thro ugh
st anding water. Driving
thro ugh flow ing wate rre duces the per‐
missible ford ing dep thdue tothe accumulation
of wate r.
Obser vethe no tes on off-road driving and ford‐
ing (/ page193). Missing
values werenot yetav ailable at the time
of going topress. Model
1
1Fording
dep th
Al l models Angle of approach/departu
re
The specified values are maximum values for
ve hicles that are ready todrive – fuel tank full,
all fluids topped up, with driver. The values
depend on theve hicle tyres and vehicle weight.
Obser vethe no tes on driving in mountainous ter‐
ra in (/ page193). Model
1
1Front 2
2Rear
All models 19.4° 24.8° 562
Tech nical da ta

Maximum
gradient climbing ability
The vehicle's gradient climbing ability depends
on thewe ight distribution in theve hicle, thete r‐
ra in conditions and thero ad sur face conditions.
The specified value applies in thefo llowing
cases:
R theve hicle is ready todrive – fuel tank full,
all fluids topped up, driver in theve hicle
R thero ad sur face conditions and thus traction
are good
A gradient climbing ability of 100% cor responds
to an incline of 45°.
Obse rveth e no tes on driving in mountainous ter‐
ra in (/ page193).
Missing values werenot yetav ailable at the time
of going topress. Model
Maximumgra‐
dient climbing ability
All models Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions of
the trailer hit ch 1
Fastening points
2 Overhang dimension
3 Rear axle centre line Te
ch nical da ta563

Display messages
Possible causes/consequences and M
MSolutions
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE AIRB AGin front of it, DE ATH or
SERIOUS INJU RYtotheCH ILD can occur. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Check thest atus of the automatic front passenger airbag actuation (/ page 46). #
If necessar y,consult a qualified specialist workshop immediatel y.
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop. Key
Display messages
Possible causes/consequences and M MSolutions
À Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key : only a few or no authorisations remain forst arting the engine. #
Make sure that the internet connection is not restricted bycer tain mobile phone settings. #
Open Mercedes me connect https://www.me rcedes.me and call up the Digital Vehicle Key service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
* Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. 57 0
Displaymessa ges and warning/indicator lamps

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 (/ page188).
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 (/ page188). 572
Displaymessa ges and warning/indicator lamps

Climate control
Displ
aymessages
Possible causes/consequences and M
MSolutions
& inoperative See Owner's
Man. *T
hestationary heater is temp orarily malfunctioning. #
When theve hicle is stationary on a le vel sur face and the engine has cooled down, make up tofour attem ptsto
switch on thest ationary heater, waiting se veral minutes between each attem pt. #
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop.
&
inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. #
Drive an extended di stance until the battery has reached a suf ficient charge leve l again.
&
inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. #
Refuel theve hicle. 576
Displaymessa ges and warning/indicator lamps

Ve
hicle Display messages
Possible causes/consequences and M
MSolutions
d Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition, secure theve hicle against rolling away and take theke y with
yo u. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heating. Otherwise, the12 V
battery may dischar geand it will then be possible tostart theve hicle only with the aid of a second battery
(s ta rting assis tance).
ï Check trailer hitch
lock (whitedisplay mes‐
sage) *T
he trailer hitch is not operational during a journey with a trailer. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. #
Uncouple the trailer and secure it against rolling away. #
Toinitiate a new swivel mo vement, press and hold the button on theta ilgate until the ball neck engages
beneath the bumper (/ page 288). #
When the display message disappears, couple up the trailer and drive on. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Uncouple the trailer and secure it against rolling away. Displ
aymessa ges and warning/indicator lamps 577

Display messages
Possible causes/consequences and M
MSolutions
û Before starting the engine,
turn the steering wheel. *T
he electric steering lock could not unlock thesteering. #
Switch the ignition off. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions. #
Close the bonn et. Displ
aymessa ges and warning/indicator lamps 581

Display messages
Possible causes/consequences and M
MSolutions
A *T
hetailgate is open. &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if theta ilgate is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening theta ilgate. #
Never drive with theta ilgate open. #
Close theta ilgate.
Anti-theft alarm system
Malfunction *T
he anti-theft alarm sy stem is malfunctioning. #
Consult a qualified specialist workshop.
_ 2nd seat row, left Not
locked *T
he left-hand seat or the seat backrest in the second rowof seats is not engaged. #
Foldthe cor responding seat backrest back until it engages and push thero w of seats back (/ page116). #
Make sure that the seat is engaged (/ page116). 582
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
_ 2nd seat row, right Not
locked *T
heright-hand seat or the seat backrest in the second rowof seats is not engaged. #
Foldthe cor responding seat backrest back until it engages and push thero w of seats back (/ page116). #
Make sure that the seat is engaged (/ page116).
¥ Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid (/ page 490). Engine
Display messages
Possible causes/consequences and M MSolutions
+ Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 490). Display messages and
warning/indicator lamps 583

Display messages
Possible causes/consequences and M
MSolutions #
Have the engine cooling sy stem checked at a qualified specialist workshop.
ÿ
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not impaired. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
ÿ *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. 584
Displaymessa ges and warning/indicator lamps