2020 MERCEDES-BENZ GLA SUV ECU

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
d
Trans. oil overheated Drive
on with care *T
he transmission is overheating. When the display message is active, start-up and driving characteristics may be tem-
porarily impaired. #
Drive at low engine speed. #
Avoid sporty driving. #
Before pulling away on uphill gradients, let the transmission cool down until the display message disappears.
Parking lock inoperative
Apply the parking brake *T
he transmission is malfunctioning. The park position jcann otbe selected. #
Park theve hicle safel y. #
Use the electric parking brake tosecure theve hicle against rollingaway.
Teaching in transmission
Operate selector lever
Brake for XX seconds Risk
of vehicle rolling *T
he transmission is being taught in. There is a risk of theve hicle rolling away. #
Depress and hold the brake pedal until thete ach-in process has been comple ted.
The electric parking brake is applied automatically during thete ach-in process. #
Switch on theve hicle. #
Select park position j, transmission position kor neutral i.
Risk of vehicle rolling away
Apply parking brake See
Owner's Manual *T
he transmission position cann otbe reliably identi/ed. #
Use the electric parking brake tosecure theve hicle against rollingaway.
Teaching in transmission
complete *T
he transmission's teach-in process is comple te. All transmission positions can be selected again. 450 450
Display messages and
warning/indicator lamps

Br
Br
ak
ak es
es Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
!
Parking brake See Owner's
Manual *T
heyellow ! indicator lamp is lit. The electric parking brake is malfunctioning.
T
T o apply o apply :
: #
Switch theve hicle o. and switch it back on #
App lythe electric parking brake manually (/ page 223).
If it is 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 heyellow ! indicator lamp and there d! indicator lamp are lit. The electric parking brake is malfunctioning.
T
T o r
o r elease:
elease: #
Switch theve hicle o. and switch it back on #
Release the electric parking brake manually (/ page 223).
or #
Release the electric parking brake automatically (/ page 223).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a quali/ed specialist workshop.
*T heyellow ! indicator lamp is lit and there d! indicator lamp is 0ashing. The electric parking brake is malfunc-
tioning. 452
452
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
The electric parking brake could not be applied or released. #
Switch theve hicle o. and switch it back on
T
T o apply
o apply :
: #
Release and then apply the electric parking brake manually (/ page 223).
T T o r o r elease:
elease: #
Apply and then release the electric parking brake manuall y.
If it is not possible toapply the electric parking brake or there d! indicator lamp continues to0ash: #
Do not continue driving. Consult a quali/ed specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
*T heyellow ! indicator lamp is lit and there d! indicator lamp 0ashes for appr oximately ten seconds aTer the
electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is mal-
functioning.
If t
If t he st he st at
ate of c
e of c harg
harge is t
e is t oo low
oo low :
: #
Char gethe 12 V batter y.
T
T o apply
o apply :
: #
Switch o. theve hicle.
The elect ric parking brake will be applied automatical ly. Display messages and
warning/indicator lamps
453
453

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 223).
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 223).
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 223).
R You are per form ing emer gency braking using the electric parking brake (/ page 224).454
454
Display messages and
warning/indicator lamps

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ï
Tr ailer tow hitch warning
lamp *T
hered trailer hitch warning lamp is lit.
The trailer hitch is not operational. &
W
W ARNING
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.Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ÿ
Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty 490
490
Display message
s andwarning/indicator lamps

EBD (Electronic Brake
forc e Distribu-
tion).......................................................2 30
HOLD function....................................... 231
Limited braking e.ect (salt-treated
ro ads)................................................... .174
Ne w/replaced brake linings/brake
discs...................................................... 173
Po st-collision brak e.................................. 60
Ru nning-in no tes.................................... 173
Br
Br ak ak es
es
see Recuperation
Br
Br aking assist
aking assist ance
ance
see BAS (Brake Assist System)
Br
Br eakdo
eakdo wn
wn
Assistance overview. ................................ 20
To w- starting........................................... 375
To wing away.......................................... 372
Tr anspo rting theve hicle........................ .373
Wheel chang e........................................ 389
Br
Br ea kdo
eakdo wn
wn
see Flat tyre
Butt
Butt ons
ons
St eering wheel....................................... 287 C
C
Calls
Calls Mercedes me......................................... 319
Camera
Camera
Information............................................ 226
Camera Camera see 360° Camera
see Dashcam
see Reversing camera
Car key
Car key
see Key
Car w Car w ash
ash
see Care
Car w
Car w ash (car
ash (car e)
e)............................................ 348
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 313
Care
Care 360° camera......................................... 353
Air-water duct........................................ 348
Automatic car wash.............................. .348
Carpet................................................... 354
Decorative foil........................................ 352
Display................................................... 354 Exterior lighting...................................... 353
Head-up display..................................... 354
High-pressure cleaner............................3
50
Pa int...................................................... 351
Plastic trim............................................3 54
Re alwo od/trim elements..................... .354
Re versing camera..................................3 53
Ro of lining............................................. 354
Seat belt................................................ 354
Seat co ver............................................. 354
Sensors.................................................3 53
St eering wheel....................................... 354
Ta ilpipes................................................ 353
Tr ailer hitc h............................................ 353
Ve hicle soc ketfo rth e high-voltage
battery................................................... 353
Wa shing byhand.................................... 351
Wheels/rims.......................................... 353
Wi ndo ws................................................ 353
Wi per blades.......................................... 353
Car
Car pe pet (Car
t (Car e)
e)............................................... 354
Changing bulbs Changing bulbs Dipped beam......................................... 150
Fitting/removing co ver (front wheel
ar ch )...................................................... 149 Index
505 505

Main beam............................................. 150
No tes..................................................... 148
Overview................................................ 149
Re versing lights......................................1 50
Tu rn signal lights (rear)........................... 150
Changing g
Changing g ears
ears
Manually................................................ 192
Changing hub caps Changing hub caps ....................................... 389
Char Char ging
ging
Char geleve l displa y............................... 218
Charg ing cable control panel.................. 207
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 213
Ending thech arging process (direct
cur rent, mode 4).................................... 217
Indica tor lamps on vehicle soc ket........... 208
No tes - charging station (mode 3)......... .204
No tes - fast charging station (mode 4)... .206
No tes - mains soc ket (Mode 2)............... 203
No tes - wallbox (mode 3)........................ 204
No tes on charging the high-voltage
battery................................................... 201
On-board electrical system battery
(12 V).................................................... 368 Setting
the maximum possible charg-
ing cur rent (mains soc ket)...................... 206
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 210
St arting thech arging process (direct
cur rent, mode 4).................................... 214
St ow ing thech arging cable.................... 201
USB port............................................... .135
Char
Char ging cable ging cable
Control panel......................................... 207
St ow ing................................................. 201
Child safe Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................66
At tach ing (no tes)..................................... .66
Basic instructions.................................... 61
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .70
No tes on risks and danger s...................... 62
Re commendations forch ild restraint
systems................................................... 65 Seats suitable
for belt-secured child
re straint systems..................................... 73
Seats suitable for i‑Size child restraint
systems................................................... 69
Seats suitable for ISOFIX child
re straint systems..................................... 68
Securing on the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 72
Childr
Childr en en
Av oiding dangers in theve hicle............... .62
Basic instructions.................................... 61
Chock
Chock Storage location..................................... 388
Chock
Chock see Chock
City lighting
City lighting.................................................. 143
Cleaning
Cleaning
see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 159 506
506
Index

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