2020 MERCEDES-BENZ GLA SUV lane assist

#
Pull the ball neck in the direction of the ar row
until it engages audibly in a vertical position.
Indicator lamp 1onthe ball neck release
switch will go out.
If th e ball neck is not securely loc ked in place,
th eTrailer coupling Check lockmessage will
appear on the inst rument displa y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. Make sure
that the ball on the ball neck is clean.
Check that it is either greased or dry (g rease-
free), depending on the inst ructions forth e trailer.
F
F olding t olding t he ball nec
he ball nec k in
k in #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will 0ash. #
Push the ball neck in the direction of the
ar ro w until it engages audibly behind the
bumper.
Indicator lamp 1will go out and the message
on the inst rument display will disappear.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 485)
R Display message s (/page 418) Coupling up/uncoupling a tr Coupling up/uncoupling a tr
ailer
ailer R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position. Tr
ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist
R Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera 280
280
Driving and parking

R
From point 3,the maximum recuperated
energy has been reached.
R The cur rent state of charge of high-voltage
battery 5is displa yed. Displa
Displa
ying t
ying the pow
he pow er met
er meter (plug-in h
er (plug-in h ybr
ybrid)
id)
On-board computer: 4 Content #
Select Power meter. Ov
Ov
er
ervie
vie w of display
w of display s in t
s in the ins
he ins tr
trument display
ument display
Displa yson the inst rument displa y:
u Active Parking Assist (/ page 274)
é Parking Assist PARKTRONIC deactivated
(/ page 271)
î DSR (/ page 244)
h Cruise control (/ page 235)
È Limiter (/ page 236)
ç Active Distance Assist DISTRONIC
(/ page 238) æ
Active Brake Assist (/ page 248)
à Active Steering Assist (/ page 246)
à Active Lane Keeping Assist (/ page 259)
° Haptic accelerator pedal (/ page 183)
õ PLUG‑IN HYBRID operation activated
ò Sound generator inoperative (/ page 432)
è ECO start/stop function (/ page 180)
ë HOLD function (/ page 231)
_ Adaptive Highbeam Assist (/ page 144)
Ad aptive Highbeam Assist Plus
(/ page 145)
ð Maximum permissible speed exceeded (for
cer tain countries only)
V
V ehicles wit
ehicles wit h Speed Limit Assist:
h Speed Limit Assist: detected
instructions and tra1c signs (/ page 253).
V
V ehicles wit
ehicles wit h
hTr
Tra1c
a1c Sign Assist:
Sign Assist: detected instruc-
tions and tra1c signs (/ page 254). Head-up display
Head-up display
F
F
unction of t
unction of t he head-up display
he head-up display *
N
NOOTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The head-up display projects
thefo llowing infor-
mation into the driver's /eld of vision abo vethe
cockpit, forex ample:
R The vehicle speed
R Information from the navigation system
R Information from the driving systems and driv-
ing saf ety sy stems
R Some warning messages
Depending on theve hicle's equipment, di.erent
content can be shown in theth re e areas of the
head-up displ ay (/page 291). 290
290
Inst
rument display and on-board computer

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 259).
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. 464 464
Display messages and
warning/indicator lamps

1, 2, 3 ...
1, 2, 3 ...
4MA
4MA TIC
TIC
Fu nction................................................ 194
12 V batt 12 V batt ery ery
see On-board electrical system bat tery (12 V)
12 V soc ket
12 V soc ket
see Soc ket (12 V)
115 V soc ket
115 V soc ket
see Soc ket (115 V)
360° Camera
360° Camera Care...................................................... 353
Fu nction................................................ 265
Opening the camera co ver (r eversing
camera)................................................. 268
Selecting a view.....................................2 67
Switching automatic operation on/o.
(r ev ersing camera)................................. 268 A A
A/C function A/C function Activating/deactivating (control panel)... 159
Ac tivating/deactivating (MBUX multi-
media system)....................................... 159 ABS (Anti-loc ABS (Anti-loc
k Br
k Braking Syst
aking Syst em)
em).................... 227
A
A cceler
cceler ation
ation
see Kickdown
A
A ccident and Br
ccident and Br eakdo
eakdown Manag
wn Manag ement
ement
Mercedes me connect........................... 324
A
A cous
coustic loc tic loc king
kingv
ver
er i/cation
i/cation signal
signal
Ac tivating/deactivating............................ 82
A
A cous
coustic pr tic pr esence indicat
esence indicat or (sound g
or (sound gener-
ener-
at
at or)
or)
No tes..................................................... 167
A
A cous
coustic V tic Vehicle Indication
ehicle Indication
Sound generator.................................... 167
A
A ctiv
ctiv e Blind Spo
e Blind Spo t Assist
t Assist
Brake application................................... 258
Fu nction................................................ 256
System limi tations.................................. 256
Tr ailer operatio n.................................... .258
A
A ctiv ctiv e bonne
e bonne t (pedes
t (pedestr trian pr ot
ian pr otection)
ection)
Operation.............................................. 342
Re setting............................................... 342
A A ctiv
ctiv e Br
e Br ak
ake Assist
e Assist
Fu nction/no tes...................................... 248
Setting................................................... 253 A
A
ctiv
ctiv e Dist
e Dist ance Assis
ance Assis t DIS
t DISTR
TRONIC
ONIC
Ac tive Emer gency Stop Assist................ 248
Calling up a speed................................. 241
Fu nction................................................ 238
Inc reasing/decreasing speed................. 241
Maximum design speed.......................... 185
Ro ute-based speed adap tation............... 243
Selecting............................................... 241
St oring a speed...................................... 241
Switching o./deactivating.................... .241
Switching on/activating......................... 241
System limitations.................................. 238
A A ctiv
ctiv e Emerg
e Emerg encySt
ency Stop Assist
op Assist ...................... 248
A
A ctiv
ctiv e headlam
e headlam ps
ps........................................ .142
A
A ctiv
ctiv e Lane K
e Lane K eeping Assist
eeping Assist
Ac tivating/deactivating.......................... 261
Ac tivating/deactivating thewa rning....... 262
Fu nction................................................ 259
Setting the sensitivity.............................2 62
System limits......................................... 259
Tr ailer operatio n.................................... .259
A
A ctiv
ctiv e P
e P ar
arking Assist
king Assist
Exiting a parking space. ......................... 275
Fu nction................................................ 272 Ind
ex
501
501

¸
temp orarily una vailable Sensors
dirty....................................................... 465
Ú Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 480
+ Top up coolant See Owner ’s
Manual.................................................. 445
¥ Top up washer 0uid...................... .443
u Towing not permitted See Own-
er's Manual ............................................ 432
d Trans. oil overheated Drive on
with care................................................ 450
! Turn on the ignition torelease
th e parking brake ................................... 455
Ú .................................................... 480
d Vehicle is operational Switch o.
ignition before exiting............................. 438
h Warning tyre defect....................... 477
h Wheel sensor(s) missing ................ 476Ú
XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 481
"Electric" drive prog ram cur rently
una vailable............................................. 434
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 463
Ac tive Blind Spot Assist inoperative........ 464
Ac tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .464
Ac tive bonnet malfunction See Own-
er's Manual............................................ 441
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........471
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 472
Ac tive Distance Assist available again ..... 459
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 458Ac
tive Distance Assist inoperative.......... 459
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 464
Ac tive Lane Keeping Assist inoperative... 464
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 461
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 461
Ac tive Steering Assist inoperative...........4 61
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual ............ 427
Ad aptive Highbeam Assist inoperative ....4 28
Ad aptive Highbeam Assist Plus cur-
re ntly una vailable See Owner's Manual ... 428
Ad aptive Highbeam Assist Plus inop-
erative.................................................. .428
Anti-theT alarm system Malfunction ....... 443
Apply brake todeselect Park (P) posi-
tion....................................................... .447 Index
511 511

Dr
Dr
iv
ive pr
e pr ogr
ogram display
am display .................................. 187
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 139
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .227
Ac tive Brake Assist................................. 248
Ad aptive brake lights.............................. 232
BAS (Brake Assist System).................... .228
Cameras................................................2 26
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 30
ESP ®
Crosswind Assist.......................... 229
ESP ®
trailer stabilisation........................ 230
O.- road ABS.......................................... 228
Overview............................................... .226
Ra dar and ultrasonic sensor s................. 226
Re sponsibility......................................... 225
ST EER CONTROL................................... 231 Dr
Dr iving syst
iving syst em
em
Suspension with adaptive damping
adjustment............................................ 262
Dr
Dr iving syst
iving syst em em
see 360° Camera
see Active Blind Spot Assist
see Active Distance Assist DISTRONIC
see Active Emer gency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assist
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise cont rol
see Driving saf ety sy stem
see DSR
see HOLD function
see Limi ter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Start-o. assist
see Tra1c Sign Assist Dr
Dr iving tips iving tips
Driving abroad (low beam light adjust-
ment)..................................................... 139
Gene ral driving tips................................1 74
Ru nning-in no tes.................................... 173
Dr Dr iving tips
iving tips
see Recuperation
Dr ow
Dr ow siness det
siness det ection
ection
see ATTENTION ASSIST
DSR
DSR Activating/deactivating.......................... 245
Changing thetarg etspeed..................... 245
Fu nction................................................ 244
No tes..................................................... 245
Dynamic handling contr
Dynamic handling control syst ol system
em
see ESP ®
(Elect ronic Stability Prog ram)
D
D YN
YNAMIC SELECT AMIC SELECT
Ad aptive damping adjustmen t................262
Calling up the fuel consum ption indi-
cator...................................................... 189
Con/guring drive prog ram I................... .188
Displaying engine data........................... 189
Displaying vehicle dat a........................... 189
Drive prog ram displa y............................ 187 514 514
Index

Int
Int
ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating.......................... 144
Ac tive headlamps................................... 142
Ad aptive Highbeam Assis t...................... 144
Ad aptive Highbeam Assist Plu s............... 145
City lighting............................................ 143
Cornering light....................................... 143
Mo torw ay mode.................................... .143
Overview................................................ 142
Int
Int ellig
ellig ent oper ent oper ating-mode s
ating-mode str trat
at egy
egy
see Route-based operating-mode strategy
Int
Int er
erior lighting
ior lighting
Ad justing............................................... 147
Ambient lighting.................................... .147
Re ading lamp......................................... 147
Switch-o. delay time.............................. 148
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 104
Priming/deactivating............................. 104
Int
Int er
erne
ne t r
t radio
adio
see TuneIn
iPhone
iPhone ®
®
see Smartphone integ ration ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 68
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing system
em
Fi tting...................................................... 70 J
J
Jack
Jack
Declaration of conformity......................... 36
Storage location.................................... .388
Jum Jum p-st p-st ar
art connection
t connection
General no tes....................................... .367 K
K
K
K e
e y
y
Ac oustic locking veri/cation signal.......... .82
Ac tivating/deactivating pre-entry cli-
mate control.......................................... 161
Battery..................................................... 83
Deactivating a function............................ 82
Emer gency key......................................... 83
Energy consum ption................................ 82
Fu nction overview.................................... 81
Ke yring attachment................................. 83
Problem................................................... 84 Unlocking setting..................................... 82
KEYLESS-GO KEYLESS-GO Deactivating a function............................ 82
Locking/unlocking theve hicle................. 86
Problem................................................... 87
Unlocking setting.................................... .82
Kic
Kic kdo kdo wn
wn
Using..................................................... 193
Knee airbag
Knee airbag.................................................... 52 L
L
Lamp
Lamp see Interior lighting
Lam
Lam p (ins
p (instr trument displa
ument displa y)
y)
see Warning/indicator lamp
Lane det
Lane det ection (aut
ection (aut omatic)
omatic)
see Active Lane Keeping Assist
Lane K
Lane K eeping Assist
eeping Assist
see Active Lane Keeping Assist
Language
Language Notes..................................................... 305
Setting................................................... 305 Index
519
519

T
T
r
ra1c
a1c inf
infor
ormation
mation
Switching on the display......................... 313
Tr
Tr a1c
a1c Sign Assist
Sign Assist
Fu nction/no tes...................................... 254
Setting................................................... 256
System limits......................................... 254
Tr
Tr ailer hitch
ailer hitch
Axle load................................................ 417
Bic ycle rack ........................................... 282
Care...................................................... 353
Coupling up/uncoupling a trailer............ 280
Fa stening points.................................... 416
Fo lding the ball neck out/in................... 279
General no tes....................................... .415
Mounting dimensions............................. 416
No tes..................................................... 278
Overhang dimension.............................. 416
Soc ket................................................... 280
To ngue weight........................................ 417
To wing capacity.................................... .416
Tr Tr ailer oper
ailer oper ation
ation
Ac tive Blind Spot Assist.......................... 258
Ac tive Lane Keeping Assist..................... 259
Bicycle rack ........................................... 282
Coupling up/uncoupling a trailer............ 280 Fo
lding the ball neck out/in................... 279
No tes..................................................... 278
Soc ket................................................... 280
T
T r
railer st
ailer st abilisation
abilisation
Fu nction/no tes...................................... 230
Tr
Tr ansmission
ansmission
Engaging neutral.................................... 190
Tr
Tr ansmission (pr
ansmission (pr oblem)
oblem)................................ 191
Tr
Tr ansmission position displ ay
ansmission position displ ay....................... 189
Tr
Tr anspor
anspor ting
ting
Ve hicle.................................................. 373
Tr
Tr im element (Car
im element (Car e)
e)...................................... 354
T
T uneIn
uneIn
Calling up.............................................. 339
T
T ur
ur n signal indicat
n signal indicat or
or
Ac tivating/deactivating.......................... 141
T T ur ur n signal lights
n signal lights
Changing bulbs (rear)............................. 150
Tw
Tw o-wa
o-wa y r
y radios
adios
Fr equencies........................................... 399
No tes on ins tallation.............................. 398
Tr ansmission output (maximum )............. 399 T
T
ype approv
ype appr oval number (EU)
al number (EU) ........................... 401
T
T yr
yr e
ein0ation
in0ation com
compr
pressor
essor
see TIREFIT kit
T
T yr
yr e pr
e pr essure
essure
Checking (tyre pressure moni toring
system).................................................. 382
No tes..................................................... 380
Re starting the tyre pressure loss
wa rning system...................................... 384
Re starting the tyre pressure monitor-
ing system............................................. 383
TIREFIT kit..............................................3 61
Ty re pressure loss warning system
(function)............................................... 383
Ty re pressure monitoring system
(function)............................................... 382
Ty re pressure table................................ .381
T T yr
yr e pr
e pr essur
essur e loss w
e loss w ar
ar ning syst
ning syst em
em
Fu nction................................................ 383
Re starting.............................................. 384
T
T yr
yr e pr
e pr essur
essur e monit
e monit or
oring sy st
ing syst em
em
Checking the tyre pressures................... 382
Checking the tyre temp eratur e............... 382
Fu nction................................................ 382 532
532
Ind
ex