2019 MERCEDES-BENZ GLB SUV ECU

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 #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
*T he trailer hitch will not be operational when theve hicle is stationar y. #
Uncouple the coupled trailer and secure it against rolling away. #
Ifth e ball neck is retracted: toinitiate a new swivel mo vement, press and hold the button on theta ilgate until
th e ball neck engages vertically in the loc ked position and then engages beneath the bumper (/ page 288). #
Ifth e ball neck is extended: press and hold the button on theta ilgate until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop. 578
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Parking lock inoperative
Apply the parking brake *
The transmission is malfunctioning. The park position jcann otbe selected. #
Park theve hicle safely. #
Use the electric parking brake tosecure theve hicle against rolling away.
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. #
Depress and hold the brake pedal until thete ach-in process has been comple ted.
The elect ric pa rking brake is also applied automatically during thete ach-in process. #
Swit chon the ignition. #
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 cannot be reliably identified. #
Use the electric parking brake tosecure theve hicle against rolling away.
Teaching in transmission
complete *T
he transmission's teach-in process is comple te. All transmission positions can be selected again.
Transmission Malfunction
Visit workshop *T
he transmission is malfunctioning.
Consult a qualified specialist workshop.
Depress clutch fully to
start engine *Y
ou ha veattem ptedto start the engine without depressing the clutch pedal. #
Depress the clutch pedal and then start the engine.
*T he engine has stalled while theve hicle was pulling away, e.g. because the clutch pedal wasre leased tooqu ickl y. Displ
aymessa ges and warning/indicator lamps 589

Brakes
Displ
aymessages
Possible causes/consequences and M
MSolutions
! Parking brake See Owner's
Manual *
The yellow ! indicator lamp is lit. The elect ric pa rking brake is malfunctioning.
To appl y: #
Switch the ignition off and switch it back on. #
Apply the electric parking brake manually (/ page 223).
If it is not possible toapply the electric parking brake: #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp and there d! indicator lamp are lit. The elect ric pa rking brake is malfunction‐
ing.
To release: #
Swit chthe ignition off and switch it back on. #
Release the electric parking brake manually (/ page 223).
or #
Release the electric parking brake automatically (/ page 222).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 591

Display messages
Possible causes/consequences and M
MSolutions
* The yellow ! indicator lamp is lit and there d! indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. #
Swit chthe ignition off and switch it back on.
To appl y: #
Release and then apply the electric parking brake manually (/ page 223).
To release: #
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 toflash: #
Do not continue driving. Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp is lit and there d! indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th e bat tery charge leve l is too lo w: #
Char gethe batter y.
To appl y: 592
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Switch the ignition off.
The electric parking brake will be applied automaticall y.
If th e electric parking brake is not tobe applied, e.g. at an automatic car wash or when theve hicle is being towe d,
lea vethe ignition 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 automatically: #
Switch the ignition off 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 qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled 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 qualified specialist workshop. Display messages and
warning/indicator lamps 593

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
*T he seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page 40).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
*The trailer tow hit chis not operational or is swivelling. &
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. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 626
Display messages and warning/indicator lamps

Care
.......................................................... 499
Air-water duct ...................................... 491
Car wash ............................................. 491
Carpet .................................................4 99
Decorative foil .................................... .495
Displ ay................................................ 499
Exterior lighting ................................... 497
High-pressure cleaner ......................... 492
Matt finish ........................................... 494
Pa int wo rk ............................................ 494
Plastic trim .......................................... 499
Re alwo od/trim elements ...................4 99
Re versing camera ................................ 497
Re versing camera/360° Camera ........ 497
Ro of lining ...........................................4 99
Seat belt .............................................. 499
Seat co ver ........................................... 499
Sensors ............................................... 497
Ta ilpipes .............................................. 497
Tr ailer hit ch......................................... 497
Wa shing byhand ................................. 493
Wheels/rims ....................................... 497
Wi ndo ws .............................................. 497
Wi per blades .......................................4 97
Carpet (Care) .......................................... .499 Changing bulbs
........................................ 16 5
Dipped beam ....................................... 16 6
Fitting/removing co ver (front wheel
ar ch ) .................................................... 16 6
Main beam ...........................................1 66
No tes ................................................... 16 5
Overview ............................................. 16 5
Re versing lights .................................. .167
Tu rn signal lights (rear) ........................ 167
Changing gears ........................................ 205
Manually .............................................. 205
Changing hub caps ................................. 539
Changing the lights Driving ab road (symm etrical low
beam) .................................................. 15 5
Cha rging
Bat tery (vehicle) ...................................5 13
USB port ..............................................1 50
Child saf ety lock
Re ar door .............................................. 79
Re ar side wind ows................................. 80
Child seat Appr oval categories .............................. .58
At tach ing (no tes) ................................... 57Basic instructions .................................. 50
Fr
ont passenger seat (no tes) ................. 77
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 76
ISOFIX/i-Size (fitting) ............................ 67
No tes on risks and dangers ...................51
Re commended child restra int sys‐
te ms ...................................................... 55
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 72
Seats suitable for i‑Size child
re stra int sy stems ................................... 65
Seats suitable for ISOFIX child
re stra int sy stems ................................... 61
Secu ring on the front passenger seat ....78
Secu ring on there ar seat ...................... 75
To pTe ther ..............................................70
Child ren
Av oiding dangers in theve hicle .............. 51
Basic instructions .................................. 50
Cho ck....................................................... 538
St orage location ..................................5 38
Cho ck
see Chock Index
645