2019 MERCEDES-BENZ GLS SUV lane assist

R
Ifth e car riag ewa y is very nar row and wind‐
ing.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.
Ac tivating/deactivating Active Lane Keeping
Assist
Multimedia sy stem:
4 © 5
Settings
5 Schnellzugriff (Quick access)
5 Active Lane Keeping Assist #
Activate or deacti vate the function. Setting
Active Lane Keeping Assist
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Act. Lane Keep. Assist
Setting the sensitivity
% The availability of this function is dependent
on the count ry. #
Select Standard ,Sensitive orOff.
Ac tivating/deactivating the haptic warning #
Select Warning.
Ac tivate or deacti vate the function. Tr
ailer hitch Tr
ailer operation no tes Obser
vethefo llowing no tes on theto ngue
we ight:
R do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R use a tongue weight as close as possible to
th e maximum tongue weight Do not
exceed thefo llowing values:
R Perm issible towing capacity
R permissible rear axle load of theto wing vehi‐
cle
R permissible gross mass of theto wing vehicle
R permissible gross mass of the trailer
R maximum permissible speed of the trailer
Ensure thefo llowing before starting a journey:
R the tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R the lighting of the connected trailer is opera‐
tional
In theev ent of increased rear axle load, the car/
trailer combination may not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is ab ove100 km/h.
Ve hicles with AIRMATIC/ ACTIVE BODY CON‐
TROL: Ifth e soc ket of the trailer hitch is occu‐
pied e.g. bya trailer or rear bicycle rack ,the
ve hicle is set tothe normal le velre ga rdless of Driving and parking
311

#
You do not initiate the le vel control sys‐
te m and do not operate theDY NA MIC
SELECT switch. #
Do not lock or unlock theve hicle. Re
quirements:
R the ball neck must be extended and engaged
in the securely loc ked position
Tr ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R adap ter plug
R adapte r cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R the trailer is connected cor rectly
R the trailer lighting sy stem is in working order
The functions of thefo llowing sy stems are af fec‐
te dby a cor rectly connected traile r:
R Active Lane Keeping Assist
R ESP ®
trailer stabilisation
R Parking Assist PARKTRONIC R
Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi st
R Drive AwayAssi st
R Cross Traf fic Alert
R Trailer Manoeuv ring Assi st
R Reversing camera
R 360° camera
Coupling up a trailer
* NO
TEDama getotheve hicle battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. #
Remo vethe co ver from the ball head and
st ore it in a safe place (/ page133). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. #
Turn the ba yonet coupling 2clockwise as
fa r as it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. 314
Driving and pa rking

Overview of displa
yson the multifunction
display 1
Outside temp erature
2 Time
3 Digital speedome ter
4 Displ aysection
5 Drive program
6 Transmission position Fu
rther displa yson the multifunction display:
Z Gearshift
recommendation (/ page 208)
u Active Parking Assist activated
(/ page 295)
é Parking Assist PARKTRONIC deacti vated
( / page 283)
¯ Cruise control (/
page241)
È Limi
ter (/ page242)
ç Active Dis tance Assi stDISTRONIC
(/ page 247)
æ Ac
tive Brake Assi st (/ page 241)
à Active Steering Assist (/ page 253)
ê Active Lane Keeping Assist (/ page 309)
± Active Lane Change Assi st (/ page 255)
è ECO
start/ stop function (/ page198)
ë HOLD fu
nction (/ page 260)
_ Ad
aptive Highbeam Assist Plus
(/ page 162)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) Ve
hicles with Speed Limit Assis t:de tected
instructions and traf fic signs (/ page 301).
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 303).
Fo r an overview of thewa rning and indicator
lamps, see (/ page 665). Ad
justing the in stru ment lighting 324
Instrument Displ ayand on-board computer

#
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
4 Service #
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. #
Press the left-hand Touch Control.
Fu nctions on theService menu:
R Message memory (/ page611)
R AdBlue: Adblue ®
ra nge and fill le vel
R Tyres:
- Restarting the tyre pressure loss warning
sy stem (/ page579)
- Che cking tyre pressure with the tyre
pressure monitor (/ page573) -
Restarting the tyre pressure monitor
(/ page 574)
R ASSYST PLUS : calls upthe service due date
(/ page 531)
R Coolant: coolant temp erature display
R Engine oil level: engine oil le vel
R Consumption info: fuel life cycle consump‐
tion Calling up
the assistant display On-board computer:
4 Assistance
The following displa ysare available on the assis‐
ta nt displ aymenu:
R Assis tant displ ay
R Attention le vel (/ page 300)
R Full-sur face menu displ ay #
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. St
atus displa yson the assis tant displ ay:
R Û ATTENTION ASSIS T:deactivated
R Light lane markings: Active Lane Keeping
Assist enabled
R Green lane markings: Active Lane Keeping
Assist active
R ¸ Grey radar waves next tovehicle: Blind
Spot Assist or Active Blind Spot Assi stena‐
bled
R ¸ Green radar waves next tovehicle:
Blind Spot Assist or Active Blind Spot Assi st
active In
stru ment Display and on-board computer 325

Display messages
Possible causes/consequences and M
MSolutions
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 sy stem limits (/ page 309). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Consult a qualified specialist workshop.
Á Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the compressor firs t needs tocool down in order toset
th e selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is suf ficient ground clearance.
When the compressor has cooled down, theve hicle will continue rising tothe selected vehicle le vel.
Active Stop-and-Go Assist
currently unavailable see
Owner's Manual *T
heActive Traf fic Jam Assi stistemp orarily not available. The Active Dis tance Assi stDISTRONIC and theAc tive
St eering Assist are still available.
The ambient conditions are outside the sy stem limits. (/ page247) #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again.
Active Stop-and-Go Assist
inoperative See Owner's
Manual *T
heActive Traf fic Jam Assi stis malfunctioning.
The Active Traf fic Jam Assi stis deactivated. The Active Dis tance Assi stDISTRONIC and theAc tive Steering Assist
are still available. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 629

1,
2, 3 ...
4MATIC ...................................................... 211
Fu nction ............................................... 211
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety .................................... 24
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 289
Ca re .................................................... 545
Fu nction .............................................. 289
Opening the camera co ver (r eve rsing
camera) .............................................. .293
Selecting a view .................................. 293
Setting favo urites ................................ 293
Swit ching automatic operation
on/off (r eversing camera) .................. .293 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 17 7
Switching on/off (control panel) ......... 17 7
ABS (Anti-lock Braking Sy stem) ............ .229
Ac celeration
see Kickdown
Ac cess data
Setting (Blue tooth®
) ............................ 488
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .477
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 83
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ....5 17
Ac tive Blind Spot Assi st......................... 306
Ac tivating/deactivating ...................... .309
Brake application ................................. 307
Fu nction .............................................. 306
Sy stem limitations ...............................3 06AC
TIVE BODY CONT ROL.......................... 269
Fr ee driving mode ................................ 274
Individual wheel control ....................... 275
Setting the le vel .................................. .275
Suspension .......................................... 269
Ac tive Brake Assi st
Fu nction/no tes ................................... 235
Setting .................................................2 41
Ac tive Di stance Assist DISTRO NIC........ 247
Ac tive Emergency Stop Assist .............2 57
Ac tive Lane Change Assi st.................. 255
Calling up a speed ............................... 24 9
Displ ays in the instrument display .......2 58
Fu nction .............................................. 247
Increasing/decreasing speed .............. 24 9
Re quirements: .................................... .249
Ro ute-based speed adap tation ........... .252
Selecting ............................................. 24 9
St eering wheel buttons ........................ 24 9
St oring a speed ................................... 24 9
Switching off/deacti vating .................. 24 9
Switching on/activating ...................... 24 9
Sy stem limitations ...............................2 47
Ac tive Eme rgency Stop Assist ...............257 Index
67 9

Ac
tive headlamps .................................... 16 0
Ac tive Lane Change Assi st..................... 255
Ac tivating/deactivating ...................... .257
Fu nction .............................................. 255
Ac tive Lane Keeping Assist .................... 309
Ac tivating/deactivating ........................ 311
Ac tivating/deactivating thewa rning .... 311
Fu nction .............................................. 309
Setting the sensitivity ........................... 311
Sy stem limitations ...............................3 09
Ac tive Parking Assist .............................. 293
Cross Traf fic Alert ............................... 299
Drive AwayAssi st................................ 298
Exiting a pa rking space ...................... .296
Fu nction .............................................. 293
Manoeuvring assi stance ...................... 300
Pa rking ................................................ 295
Sy stem limitations ...............................2 93
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 251
Display ................................................. 251
Fu nction ............................................... 251 Ac
tive Steering Assist ............................ .253
Ac tivating/deactivating ...................... .255
Ac tive Emergency Stop Assist .............2 57
Ac tive Lane Change Assi st.................. 255
Displa ysinthe instrument display .......2 58
Fu nction .............................................. 253
Sy stem limitations ...............................2 53
Ac tive Traf fic Jam Assist
Fu nction .............................................. 257
Ad aptive brake lights ..............................241
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 16 2
Switching on/off ................................. 16 3
Ad Blue ®
.................................................... 601
Ad ditives .............................................. 601
Capacity .............................................. 602
Consum ption ...................................... .602
Fill le vel .............................................. .325
No tes ................................................... 215
Purity ................................................... 601 Ra
nge ................................................. .325
To pping up ...........................................2 16
Ad ditional door lo ck.................................. 86
Ad diti ves.................................................. 602
Ad Blue ®
............................................... 601
Engine oil ............................................ 602
Fu el ..................................................... 600
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Burmes ter®
sur round sound sy stem ....5 17
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8680
Index

Engaging pa
rkposition ........................ 207
Enga ging park position automatically .. 207
Engaging reve rsege ar ........................ .206
Fu nction .............................................. 205
Displ ay
Care .................................................... .547
Display (multimedia sy stem) .................. 357
Home screen ...................................... .354
Operating ............................................ 357
Setting acoustic operating feedback ... 358
Settings ............................................... 388
Display (on-board computer) Displa yson the multifunction display .. 324
Display content Displaying ............................................ 322
Display message ...................................... 611
Calling up (on-board co mputer) ............ 611
No tes ................................................... 611
Display messages ¯ - - - km/h .................................. .635
ç - - - km/h ................................... 634
È - - - km/h ................................... 635 #12
V battery See Owner's Man‐
ual ....................................................... 641
# 48 V battery See Owner's Man‐
ual ....................................................... 639
Ac tive Blind Spot Assi stinope rative .... 630
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 630
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 623
Ac tive Brake Assi stFunctions limited
See Owner's Manual ............................ 624
Ac tive Dis tance Assi stavailable
again .................................................. .634
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........634
Ac tive Dis tance Assi stinope rative ...... 634
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........629 Ac
tive Lane Keeping Assist inopera‐
tive ...................................................... 629
bAc tive Light Sy stem inoperative .. 664
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual .......................................... 631
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........627
Ac tive Steering Assist inoperative .......628
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual .........629
Ac tive Stop-and-Go Assist inopera‐
tive See Owner's Manual ..................... 629
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .664
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .664
¯ AdBlue sy stem fault Engine
st art not possible ................................ 647 Index
689