2019 MERCEDES-BENZ CLA COUPE lane assist

Coupling up / uncoupling a trailer
Re
quirements:
R the ball neck must be extended and engaged
in a secu rely 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 Reversing camera
R 360° Camera
Coupling up a trailer
* NO
TEDama getotheve hicle battery due
to full dischar ge 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 (/ page110). #
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 2totheright 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. 254
Driving and parking

4
Displ aycontent, right (e xamp le:rev counter)
Display content selection, right:
R Rev counter
R Average fuel consum ption
R ECO display
R Navigation
R G-me ter
R Assi stance graphic 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 %
Ve
hicles with standard instrument dis‐
pla y:the position of the displa ysdiffers from
th ose shown here.
Fu rther displa yson the multifunction display:
Z Gearshift
recommendation (/ page 173)
u Active Parking Assist activated
(/ page 236)
é Parking Assist PARKTRONIC deacti vated
( / page 226)
¯ Cruise control (/
page 203)
È Limiter (/
page 204)
ç Active Dis tance Assi stDISTRONIC
(/ page 207)
æ Ac
tive Brake Assi st (/ page 202)
à Active Steering Assist (/ page213)
à Ac
tive Lane Keeping Assist (/ page249)
± Active Lane Change Assi st (/ page 215)
è ECO
start/ stop function (/ page163)
ë HOLD fu
nction (/ page 219)
_ Ad
aptive Highbeam Assist (/ page133) In
stru ment Display and on-board computer 263

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 240)
R Vehicles with an instrument display in
th e widescreen cockpit: full-surface menu
displ ay #
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. %
The illustration sho wsthe instrument display
in the widescreen cockpit.
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
R Active Dis tance Assi stDISTRONIC displa ys
( / page 207) Calling up displa
yson the trip menu On-board computer:
4 Trip #
Toselect a displa y:swipe upwards or down‐
wa rds on the left-hand Touch Control.
Trip menu in thest andard cockpi t:
R Speedom eter
R Digital speedome ter
R Rev counter
R Range and cur rent fuel consu mption
R ECO display (/ page 165)
R Trip computer From startandFrom reset
Trip menu in the widescreen cockpit:
R Standard display In
stru ment Display and on-board computer 265

Display messages
Possible causes/consequences and M
MSolutions
R braking or accelerating
R pressing a steering wheel button
R operating Touch Control
R deactivating Active Dis tance Assi stDISTRONIC
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emergency stops. #
Take ove rth esteering and stop in accordance with the tra ffic conditions. #
Swit choff the ignition and switch it back on.
Ac tive Steering Assist is available once more.
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 (/ page249). #
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.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page246). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. Display messages and
warning/indicator lamps 543

1,
2, 3 ...
4MATIC ..................................................... 175
Fu nction ............................................... 175
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 230
Ca re .................................................... 458
Fu nction .............................................. 230
Opening the camera co ver (r eve rsing
camera) .............................................. .234
Selecting a view .................................. 233
Setting favo urites ................................ 234
Swit ching automatic operation
on/off (r eversing camera) .................. .233 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 14 8
Switching on/off (control panel) .......... 147
ABS (Anti-lock Braking Sy stem) ............ .192
Ac celeration
see Kickdown
Ac cess data
Setting (Blue tooth®
) ............................ 422
Ac cident and breakdown manage‐
ment
Mercedes me connect .......................... 411
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 77
Ac tivating/deactivating automatic
vo lume adjustment
Ad vanced sound sy stem ......................4 44
Burmes ter®
sur round sound sy stem ... 442
Ac tive Blind Spot Assi st.......................... 24 6
Ac tivating/deactivating ...................... .249
Brake application ................................. 24 8
Fu nction .............................................. 24 6Sy
stem limitations ...............................2 46
Tr ailer operation .................................. 24 8
Ac tive bonn et(pedestrian pr otection) ..446
Operation ............................................ 446
Re setting ............................................. 446
Ac tive Brake Assi st
Fu nction/no tes .................................... 197
Setting ................................................. 202
Ac tive Di stance Assist DISTRO NIC........ 207
Ac tive Emergency Stop Assist .............. 217
Ac tive Lane Change Assi st................... 215
Calling up a speed .............................. .209
Displ ays in the instrument display .......2 17
Fu nction .............................................. 207
Increasing/decreasing speed .............. 209
Re quirements: .................................... .209
Ro ute-based speed adap tation ........... .212
Selecting ............................................. 209
St eering wheel buttons ....................... 209
St oring a speed ................................... 209
Switching off/deactivating .................. 209
Switching on/activating ......................2 09
Sy stem limitations ...............................2 07
Ac tive Eme rgency Stop Assist ................ 217 596
Index

Ac
tive headlamps .................................... 131
Ac tive Lane Change Assi st...................... 215
Ac tivating/deactivating ...................... .217
Fu nction ............................................... 215
Ac tive Lane Keeping Assist .................... 24 9
Ac tivating/deactivating ...................... .251
Ac tivating/deactivating thewa rning .... 251
Fu nction .............................................. 24 9
Setting the sensitivity .......................... 251
Sy stem limitations ...............................2 49
Tr ailer operation .................................. 24 9
Ac tive Parking Assist .............................. 234
Cross Traf fic Alert ................................ 24 0
Drive AwayAssi st................................ 239
Exiting a pa rking space ...................... .237
Fu nction .............................................. 234
Manoeuvring assi stance ...................... 24 0
Pa rking ................................................ 236
Sy stem limitations ...............................2 34
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 211
Displ ay................................................. 211
Fu nction ............................................... 211Ac
tive Steering Assist ............................ .213
Ac tivating/deactivating ...................... .215
Ac tive Emergency Stop Assist .............. 217
Ac tive Lane Change Assi st................... 215
Displ ays in the instrument display .......2 17
Fu nction ............................................... 213
Sy stem limitations ...............................2 13
Ad aptive brake lights .............................. 203
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist
Fu nction .............................................. 13 3
Switching on/off ................................. 13 4
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 4
Switching on/off ................................. 13 5
Ad Blue ®
.................................................... 51 8
Ad ditives .............................................. 51 8
Capacity .............................................. .519
Fill le vel .............................................. .264
No tes ................................................... 17 9
Purity ................................................... 51 8Ra
nge .................................................. 264
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 80
Ad diti ves................................................... 519
Ad Blue ®
............................................... 51 8
Engine oil ............................................. 519
Fu el ...................................................... 516
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
Adva nced sound sy stem ......................4 44
Burmes ter®
sur round sound sy stem ... 443
Ad justing the headlamp range ............... 12 9
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 443 Index
597

Ac
tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........544
Ac tive Blind Spot Assi stinope rative ....544
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 545
Ac tive bonnet malfunction See Own‐
er's Manual .......................................... 575
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ......540
Ac tive Brake Assi stFunctions limited
See Owner's Manual ...........................540
Ac tive Dis tance Assi stavailable
again .................................................. .549
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........548
Ac tive Dis tance Assi stinope rative ...... 548
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........543 Ac
tive Lane Keeping Assist inopera‐
tive ...................................................... 543
b Active Light Sy stem inoperative .. 580
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 545
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops ......................................... 543
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........542
Ac tive Steering Assist inoperative .......542
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........580
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 581
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .581 Ad
aptive Highbeam Assist Plus inop‐
erative ................................................ .581
¯ AdBlue sy stem fault Engine
st art not possible ................................ 559
¯Ad Blue system fault Perf.
re duced in XXX miles See Owner's
Manual ................................................ 559
¯ AdBlue sy stem fault Perf.
re duced: XXX km/h Nostart in XXX
km ...................................................... .559
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .558
4Ad d 1 litre engine oil when next
re fuelling ............................................. 554
Anti-theft ala rmsystem Malfunction ....576
App lybrake todeselect Park (P)
position ...............................................5 60
Apply brake toselect R ....................... 560
ÀAT TENTION ASSIST inoperative ...541 606
Index

dVe
hicle is operational Switch
off the ignition before exiting .............. .572
h Warning tyre defect .....................568
hWheel sensor(s) missing .............. 567
Wi thout changing gear, consult work‐
shop ..................................................... 561
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock .............................. 80
Child saf ety lock (rear door) .................. 73
Locking (emergency key) ...................... .84
Opening (from the inside) ......................80
Un locking (emer gency key) .................. .84
Un locking (from the inside) ...................80
Door cont rol panel .................................... .16Dr
aw bar
see Tow- bar sy stem
Drinks holder see Cup holder
Drive Away Assist .................................... 239
Drive Away Assist
see Pr otection against collision
Drive position Enga ging ..............................................1 72
Drive prog ram display ............................. 16 6
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Symmetrical dipped beam ...................1 28
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .191
ABS (Anti-lo ckBraking Sy stem) ........... 19 2
Ac tive Brake Assi st.............................. 197
Ad aptive brake lights .......................... .203
BA S (Brake Assi stSystem) .................. 19 2EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 6
ESP ®
Crosswind Assi st........................ 19 6
ESP ®
trailer stabilisation .................... .196
Overview .............................................. 191
Ra dar sensors ...................................... 191
Re sponsibility ...................................... 191
ST EER CONTROL ................................. 19 6
Driving sy stem
Suspension with adaptive damping
adjustment .......................................... 221
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem 61 0
Index