2021 MERCEDES-BENZ GLB SUV tow

N
N
o
ot
tes on t
es on t ec
echnical data
hnical data
* NO
NOTE
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The
tech nical data was de term ined in accordance
with EU Directives. The data stated only applies to
ve hicles with standard equipment. You can obtain
fur ther information from a Mercedes-Benz Service
Centre.
Onl Onl y f
y for cert
or cert ain countr
ain countr ies:
ies:you can /n dvehicle-
speci/c vehicle data in theCO C documents (CER-
TIFIC ATE OF CONFORMITY). These documents
are deli vered with your vehicle. On-boar
On-boar
d electr
d electronics
onics N
No
ot
tes on t
es on t am
amper
per ing wit
ing wit h t
h the engine electr
he engine electr onics
onics *
N
NOOTE
TE Prematu rewe arthro ugh improper
maintenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in validated. #
Always ha veworkon the engine elec-
tronics and related components car ried
out at a quali/ed specialist workshop. T
T
w
w o-wa
o-wa y r
y radios
adios N
No
ot
tes on
es on /tting
/tting tw
two-wa
o-wa y r
y radios
adios &
W
WARNING
ARNING Risk of accident due to
improper workon two-w ayradios
If two-w ayradios are manipulated or retro/t-
ted incor rectl y,the electromagnetic radiation
from the two-w ayradios can inter fere with the
ve hicle elect ronics and jeopardise the operat-
ing saf ety of theve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of accident due to
improper operation of two-w ayradios
If yo u use two-w ayradios in theve hicle
improper ly,th eir electromagnetic radiation
can disrupt theve hicle's elect ronics. This is
th e case in thefo llowing situations, in particu-
lar:
R The two-w ayradio is not connected toan
ex terior aerial.
R The exterior aerial is /tted incor rectly or is
not a lo w-re0ection aerial.
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-re0ection exterior aerial /t-
ted at a quali/ed specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe lo w-
re 0ection exterior aerial. 368
368
Te
ch nical data

ids
topped up, with driver. The values depend on
th eve hicle tyres and vehicle weight. Angle of appr
Angle of appr
oac
oach/depar
h/depar ture
ture Model
Model
1
1Fr
Front
ont 2
2R
Rear
ear
All models 19.4° 24.8°Maximum
gr
Maximum gradient climbing ability
adient climbing ability
The vehicle's gradient climbing ability depends on
th ewe ight distribution in theve hicle, thete rrain
conditions and thero ad sur face conditions.
The speci/ed value applies in thefo llowing cases:
R theve hicle is ready todrive – fuel tank full, all
0uids 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°.
Missing values werenot available at the time of
going topress.
Gr Gr adient climbing ability
adient climbing ability Model
Model
Maximumgr
Maximum gradi-
adi-
ent climbing abil-
ent climbing abil- ity
ity
All models T
T
r
railer hitch
ailer hitch Gener
Gener
al not
al notes on t
es on t he tr
he trailer hitch
ailer hitch Modi/cations
tothe engine cooling system may
be necessar y,depending on theve hicle model.
The retro/tting of a trailer hitch is on lypermissi-
ble if a towing capacity is speci/ed in your vehicle
documents.
Fu rther information can be obtained at a quali/ed
specialist workshop. Mounting dimensions of t Mounting dimensions of t
he tr
he tr ailer hitch
ailer hitch 1
Fastening points
2 Overhang dimension
3 Rear axle cent reline 382
382
Te
ch nical data

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is being
to we d, lea vetheve hicle switched on. This does not include having theve hicle towe d with there ar axle raised.
If th e electric parking brake is not applied automaticall y: #
Switch theve hicle o. and switch it back on #
Release and then apply the electric parking brake manually (/ page 197).
If it is still not possible toapply the electric parking brake: #
Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
T
T o r
o r elease:
elease: #
Ifth e conditions for automatic release are ful/lled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page 197).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
!
Release parking brake *T
hered! indicator lamp is 0ashing.
The electric parking brake is applied while you are driving:
R A condition for automatic release of the electric parking brake has not been ful/lled (/ page 196).
R You are per form ing emer gency braking using the electric parking brake (/ page 197). Display messages and
warning/indicator lamps
411
411

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 230).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you establish the electrical connection tothe trailer, Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 230).
Once the cause of the problem is no longer present, the system will be available again. 420 420
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you establish the electrical connection tothe trailer, Active Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 232).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. Display messages and
warning/indicator lamps
421
421

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and tra1c conditions. Do not
continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
Notethe messages on the instrument displa y.
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational. &
W
WARNING
ARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedu reand do not re-couple the trailer until the display message disappears. #
Notethe messages on the instrument displa y. Display messages and
warning/indicator lamps
445
445

All-wheel dr
All-wheel dr
ive
ive
see 4MATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)......... 150
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals
Pets in theve hicle.................................... 77
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 82
Immobiliser............................................ 100
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) Apple CarPlay
Apple CarPlay
®
®
see Smartphone integ ration
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 313
Displaying the service due dat e.............. 312
Fu nction/no tes...................................... 312
Re gular maintenance work..................... 312
Special service requ irements................. 312
AT
ATA A(anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm........................... 100
Fu nction................................................ 100
Interior pr otection function.....................1 01
Priming/deactivating interior pr otec-
tion........................................................ 102
Priming/deactivating tow- awa y pro-
te ction................................................... 101
To w- awa y protection function................. 101
A A TTENTION ASSIST
TTENTION ASSIST
Function................................................ 207
Setting.................................................. .208
System limitations.................................. 207 A
A
tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
Ac tivating............................................... 321
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 51
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC
A
A ut
ut omatic dr
omatic dr iving lights
iving lights ................................ 143
A
A ut
ut omatic engine st
omatic engine st art
art
see ECO start/stop function
A
A ut
ut omatic engine st
omatic engine st op
op
see ECO start/stop function
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag shut
shuto.
o.
PA SSENGER AIR BAG indicator la mps...... 52
A
A ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident........... .56
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function
Ac tivating/deactivating.......................... 160
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
DIRECT SELECT le ver............................. 182 458
458
Index

Det
Det
ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 35
Diesel
Diesel
Low outside temp eratures...................... 375
No tes..................................................... 375
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 20
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
Dipped beam
Dipped beam
Changing bulbs...................................... 153
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 183
Engaging drive position.......................... 183
Engaging neutral.................................... 183
Engaging park position automaticall y...... 183
Fu nction................................................ 182
Selecting park position........................... 183
Displa
Displa y (car
y (care)
e)............................................... 325
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen......................................... 266
Operating.............................................. 267 Displa
Displa y (on-boar
y (on-boar d com
d com put
puter)
er)
Displa yson the inst rument displa y......... 262
Displa
Displa y in t
y in t he windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 385
No tes..................................................... 385
Displa
Displa y messag
y messag es es
ç - - - km/h.................................... .415
È - - - km/h..................................... 414
h - - - km/h..................................... 414
_ 2nd seat row, leT Not loc ked......... 400
_ 2nd seat row, right Not loc ked...... 401
# 12 V battery See Owner's Man-
ual......................................................... 430
: Active Light System inoperative..... 392
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 439
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 438 ¯
AdBlue system fault Engine
start not possible................................... 439
¯ AdBlue system fault See Own-
er's Manual............................................ 438
5 Add 1 litre engine oil when next
re fuelling ............................................... 440
é ATTENTION ASSIST inoperati ve..... 413
é ATTENTION ASSIS T:Take a
break!.................................................... 413
: Automatic driving lights inoper-
ative...................................................... 391
û Before starting the engine, turn
th e steering wheel.................................. 399
Á Change key batteries .................... 389
J Check brake 0uid le vel.................. 412
ï Check trailer hitch lock (white
display message) .................................... 396
h Check tyre(s) ................................ 433
! Clean the fuel /lter....................... 404 Index
463 463