R
The dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
R The lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
R The car riag ew ay isvery nar row and winding.
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 Active Lane Keeping Assist &
WARNING Risk of accident despi te
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application. &
WARNING Risk of accident despi teinter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction. #
Alw ays make sure that there is suf fi‐
cient di stance tothe side forot her traf‐
fi c or obs tacles. &
WARNING Risk of accident despi teLane
Ke eping Assist
Lane Keeping Assist cann otalw ays clearly
de tect lane markings. In su
chcases, Lane Keeping Assist can:
R give an unnecessary warning
R not give a warning #
Alw ays pay particular attention tothe
traf fic situation and keep within the
lane, especially if Active Lane Keeping
Assist alerts you. Re
quirement:
The driving speed is at least 60 km/h. Driving and parking
243
Re
quirements:
R the ball neck must be extended fully electri‐
cal lyand 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 operation of thefo llowing sy stems depends
on the trailer being connected cor rectly:
R Active Lane Keeping Assist
R ESP ®
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi stCoupling up a trailer
* NO
TEDama getothe battery due tofull
discharge Charging
the trailer battery using the po wer
supply of the trailer can damage the batter y. #
Do not use the po wer supp lyto charge
th e trailer batter y. #
Remo vethe co ver from the ball head and
st ore it in a safe place (→ page107). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket co ver. #
Insert the plug connector with lug 1into
groo ve3 onthe soc ket. #
Turn bayonet coupling 2clockwise as far as
it will go. #
Let the co ver engage. #
Secure the cable tothe trailer with cable ties
(if you are using an adap ter cable). #
Make sure that cable is alw ays slack for ease
of mo vement during cornering. #
Push the combination switch upwards and
down wards and check whe ther the cor re‐
sponding turn signal light on the trailer is
fl ashing.
A display message may appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled on the trailer light‐
ing sy stem
R the cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA) Driving and pa
rking 247
Overview of displa
yson the multifunction
display 1
Outside temp erature
2 Drive prog ram
3 Transmission position
4 Time
5 Display section
% Ve
hicles with the Instrument Display in
th eWi descreen Co ckpit: the position of
th e displa ysdeviates from those displa yed
here. Fu
rther displa yson the multifunction display:
Z Gearshift
recommendation (→ page 174)
ë Active Parking Assist activated
(→ page 228)
é Parking Assist PARKTRONIC deacti vated
( → page 218)
¯ Cruise control (→
page 201)
È Limi
ter (→ page 202)
ç Active Dis tance Assi stDISTRONIC
(→ page 205)
è Active Steering Assist (→ page210)
è ECO
start/ stop function (→ page166)
ë HOLD fu
nction (→ page 212)
_ Ad
aptive Highbeam Assist (→ page132)
Ad aptive Highbeam Assist Plus
(→ page 134)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) Ad
justing the in stru ment lighting #
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements in theve hicle interior is
adjus ted. Instrument Display and on-board computer
255
Note
s on snow chains &
WARNING Risk of accident due toincor‐
re ct snow chain fitting
If yo u ha vefitted snow chains tothe front
wheels, the snow chains may drag against
th eve hicle body or chassis components.
This could cause damage totheve hicle or
th e tyres. #
Neverfit snow chains on the front
wheels. #
Only fit snow chains on there ar wheels
in pairs. *
NO
TEDama getothe wheel trim from fit‐
te d snow chains If sn
ow ch ains are fitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethe wheel trims of steel wheels
before fitting snow chains. R
Snow chains are on ly permissible for cer tain
wheel/tyre combinations. You can obtain information about
this from a Mercedes-Benz
Service Cent re.
R For saf etyre asons, on lyuse sn owchains that
ha ve been specifically appr ovedfo ryo ur
ve hicle byMercedes-Benz, or snow chains
with the same quality standard.
R If sn owchains are fitted, the maximum per‐
missible speed is 50 km/h.
R Vehicles with Active Parking Assis t:do
not use Active Parking Assist when snow
ch ains are fitted.
R Vehicles with AIR BODY CONT ROL:only
drive at raised vehicle le vel when snow
ch ains are fitted.
% You can permanently limit the maximum
ve hicle speed for driving with winter tyres
(→ page 204).
% You can deactivate ESP ®
to pull away
( → page 195). This all owsth e wheels tospin,
achieving an increased driving forc e. Ty
re pressure Note
s on tyre pressure &
WARNING Risk of accident due toinsuf‐
fi cient or excessive tyre pressure
Underinfla ted or overinfla ted tyres pose the
fo llowing risks:
R The tyres may bur st, especially as the
load and vehicle speed increase.
R The tyres may wearexc essively and/or
une venly, which may greatlyimpair tyre
traction.
R The driving characteristics, as well as
st eering and braking, may be greatly
impaired. #
Comply with there commended tyre
pressure and check the tyre pressure of
all tyres including the spare wheel regu‐
larly:
R at least once a month
R when the load changes Wheels and tyres
345
Display messages
Possible causes/consequences and M
MSolutions
Active Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *A
ctive Parking Assist and Parking Assist PARKTRONIC are malfunctioning. #
Stop theve hicle, paying attention toroad and traf fic conditions, and restart the engine. #
Ifth e display message continues tobe displa yed, consult a qualified specialist workshop.
ë Off *T
he HOLD function is deactivated because theve hicle is skidding or a condition for activation is not met. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function .
Active Distance Assist
available again *A
ctive Dis tance Assi stDISTRONIC is operational again and can be acti vated (→ page 207).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assi stDISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem borders (→ page 205). #
Drive on.
As soon as the ambient conditions are within the sy stem borders, the sy stem will become available again.
Active Distance Assist inop-
erative *A
ctive Dis tance Assi stDISTRONIC is malfunctioning.
Other driving and driving sa fety sy stems may also be malfunctioning. #
Consult a qualified specialist workshop. 404
Display messages and warning/indicator lamps
1,
2, 3 ...
12 V so cket
see Soc ket (12 V)
230 V so cket
see Soc ket (230 V)
360° Camera ........................................... 223
Ca re ..................................................... 317
Fu nction .............................................. 223
Selecting a view .................................. 226 A
A/C function Activating/deactivating (control
panel) .................................................. 14 9
Ac tivating/deactivating (multimedia
sy stem) ................................................ 14 9
ABS (Anti-lock Braking Sy stem) ............ .191
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .294
Setting ................................................. 293 Ac
oustic locking verification signal
Swit ching on/off .................................. .68
Ac tive Blind Spot Assi st......................... 239
Ac tivating/deactivating ...................... .241
Brake application ................................. 239
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Tr ailer operation .................................. 239
Ac tive bonn et(pedestrian pr otection) .. 307
Operation ............................................ 307
Re setting ............................................. 307
Ac tive Brake Assi st
Fu nction/no tes ................................... 19 6
Setting ................................................. 201
Ac tive Di stance Assist DISTRO NIC........ 205
Calling up a speed ............................... 207
Fu nction .............................................. 205
Increasing/decreasing speed .............. 207
Le ver ................................................... 207
Re quirements: .................................... .207
Selecting ............................................. 207
St oring a speed ................................... 207
Switching off/deactivating .................. 207
Switching on/activating ......................2 07Sy
stem limitations ...............................2 05
Ac tive headlamps function .....................131
Ac tive Lane Keeping Assist .....................241
Ac tivating/deactivating ...................... .243
Fu nction ............................................... 241
Sensitivity (function/no tes) ................. 24 4
Setting the sensitivity .......................... 24 4
Sy stem limitations ...............................2 41
Ac tive Parking Assist .............................. 226
Cross Traf fic Alert ............................... 237
Drive AwayAssi st................................ 236
Exiting a pa rking space ...................... .230
Fu nction .............................................. 226
Pa rking ................................................ 228
Sy stem limitations ...............................2 26
Ac tive Steering Assist ............................ .210
Ac tivating/deactivating ........................ 211
Fu nction ............................................... 210
Sy stem limitations ...............................2 10
Ad aptive brake lights .............................. 201
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC 456
Index
Setting
for abroad ................................ 127
DIRECT SELECT le ver............................... 172
Engaging drive position ........................ 173
Engaging pa rkposition automatically .. 173
Engaging reve rsege ar ........................ .173
Fu nction ............................................... 172
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173
Display Care .................................................... .319
Display (multimedia sy stem)
No tes ................................................... 264
Settings ............................................... 273
Switching off ....................................... 273
Display (on-boa rdcompu ter)
Displ ays in the multifunction display ... 255
Display content (Additional value range) ....................... 254
Displ aymessage ...................................... 381
Calling up (on-board compu ter) ........... 381
No tes ................................................... 381
Display messages ? ................................................... 41 5C
................................................... 433
M ................................................... 433
N ................................................... 434
# .................................................... 408
¯ .................................................... 405
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........403
Ac tive Blind Spot Assi stinope rative .... 403
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 403
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 432
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 393
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 394
Ac tive Dis tance Assi stavailable
again .................................................. .404 Ac
tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........404
Ac tive Dis tance Assi stinope rative ...... 404
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 402
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........401
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 401
b Active Light Sy stem inopera‐
tive ...................................................... 435
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 404
è Active Steering Assist cur rently
una vailable See Owner's Manual .........405
è Active Steering Assist inopera‐
tive ...................................................... 405
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual ... 438464
Index
Ad
aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........438
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 437
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 437
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .437
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .436
4 Add 1 litre engine oil when
next refuelling ...................................... 413
Air conditioning Malfunction See
Owner's Manual .................................. 428
App lybrake todeselect Park (P)
position ...............................................4 25
Apply brake toselect R ....................... 429 À
ATTENTION ASSIST
inoperative .......................................... 399
À ATTENTION ASSIS T:Take a
break! .................................................. 399
b AUTO lights inope rative .............. 436
Au xilia rybattery malfunction ...............427
_ Before starting the engine, turn
th esteering wheel. .............................. 429
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 402
Blind Spot Assist inope rative ............... 403
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 03
Brake immediate ly............................... 391
 Change key bat teries ................. 422
Ø Check AdBlue See Owne r’s
Manual .................................................4 16
J Check brake fluid le vel.............. .391
4 Check eng. oil le v.when next
re fuelling .............................................. 411j
Check trailer hit chlock .............. 424
h Check tyre(s) .............................. 41 8
! Clean the fuel filter .................... .414
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .428
? Coolant Stop vehicle Switch
engine off ............................................ 407
Cruise contro l and Limiter inope ra‐
tive ...................................................... 406
Cruise control inope rative ................... 405
Cruise control off ................................ 405
! currently una vailable See Own‐
er's Manual ........................................ .383
÷ currently una vailable See Own‐
er's Manual ........................................ .384
Dep ress clutch fully tostart engine .....4 28
È .................................................... 406
Ø Eng.start not possible in XXX
km ...................................................... .416
Ø Eng.start not possible ................416 Index
465