towing MERCEDES-BENZ E-CLASS CABRIOLET 2018 Service Manual

*
NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km must not be
exc eeded. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If th eve hicle being tow- star ted or towed
aw ay is heavier than the permissible gross
mass, thefo llowing situations can occur:
R theto wing eye may become de tach ed.
R the car/t railer combination may swer ve
or eve nove rturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed th
e permissible gross mass of your own
ve hicle. If a
vehicle must be tow star ted or towe daw ay,
its permissible gross mass must not exceed the
permissible gross mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (→ page 457). #
Vehicles with automatic transmission: do
not open the driver's door or front passenger
door, otherwise the automatic transmission
automatically shifts toposition j. #
Fittheto wing eye (→ page 430). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion #
Only connect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(→ page 80). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection (→ page 98). #
Deactivate Active Brake Assi st (→page 197). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i. #
Release the electric parking brake. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning.
R the energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
and brake than is no rmally requ ired. 428
Breakdown assis tance

#
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay. *
NO
TEDama gedue toexcessive tracti ve
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. Loading the
vehicle for transport #
Obser vethe no tes on towing away
( → page 427). #
Connect theto w bar totheto wing eye in
order toload theve hicle.
% You can also attach theto w bar tothe trailer
hitch. #
Vehicles with automatic transmission:
shift the automatic transmission toposition
i.
% Ve
hicles with automatic transmission:
th e automatic transmission may be loc ked in
position jintheeve nt of dama getothe
electrical sy stem. Toshift toi , pr ovide the
on-board electrical sy stem with po wer
( → page 424). #
Load theve hicle onto the transpor ter. #
Vehicles with automatic transmission:
shift the automatic transmission toposition
j. #
Use the electric parking brake tosecure the
ve hicle against rolling away. #
Only secure theve hicle bythe wheels. Ve
hicles with ADS PLUS (Adaptive Damping
Sy stem PLUS) &
WARNING Risk of an accident when
transporting vehicles with Adaptive
Damping Sy stem PLUS
The reduced damping forc es on theve hicle
being transpor ted can cause theve hicle/
trailer combination tostart toswing.
As a result, when transporting vehicles with
th eAd aptive Damping Sy stem PLUS, the
ve hicle/trailer combination may start toskid.
Consequentl y,yo u could lose cont rol of your
ve hicle. #
When transporting, ensure that:
R theve hicle has been loaded onto
th e transpor ter cor rectly
R theve hicle is secured at all four
wheels with suitable tensioning
st ra ps
R the maximum permissible speed of
60 km/h is not exceeded when
transporting Breakdown assis
tance 429

to
wing eye. Fasten theto w bar tothe trailer
hitch.
% Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. #
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with automatic transmission must
not be tow- star ted. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alw aysre place faulty fuses with speci‐
fi ed new fuses conta iningthe cor rect
amperage. *
NO
TEDama gedue toincor rect fuses Electrical components or sy
stems may be
damaged byincor rect fuses, or their func‐
tionality may be significant lyimpaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses mu
stbe replaced with fuses of the
same rating, which you can recognise bythe col‐
our and fuse rating. The fuse ratings and fu rther
information tobe obser ved are lis ted in the fuse
assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e boot (→ page 433).
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. Breakdown assi
stance 431

Tr
ailer hitch Gene
ral no tes on the trailer hit ch Not all models can be used
for trailer operation
(→ page 245).
Modi fications tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line The
overhang dimension and fastening points
are valid for a trailer hitch ins talled at thefa c‐
to ry. Model
2 2Over‐
hang dimen‐ sion
All model s1 203 mm Pe
rm issible towing capacity The
tongue weight is not included in theto wing
capacity.
Pe rm issible towing capacit y,braked (at a
minimum start-off gradeability of 8%) Model
Perm issible towing
capacit y,braked
All models 47 0
Tech nical da ta

Pe
rm issible towing capacit y,braked (at a
minimum start-off gradeability of 12%) Model
Perm issible towing
capacit y,braked
All models 1800 kg Pe
rm issible towing capacit y,unbraked Model
Perm issible towing
capacit y,unbraked
All model s7 50kg Maximum
tongue weight *
NO
TEDama gecaused bythe trailer
coming loose If
th eto ngue weight used is too lo w,the
trailer may come loose. #
The tongue weight must not be below
50 kg. #
Use a tongue weight that is as close as
possible tothe maximum permissible
to ngue weight. Maximum
tongue weight Model
Tongue
we ight
All models 75kg Pe
rm issible rear axle load during trailer
operation Axle load
Model
Axle load
E 200
E 200 4MATIC 12
90 kg
E 300 1310 kg
E 300 d
E 450 4MATIC 13
25 kg
E 350 1320 kg Model
Axle load
E 350 d1 305kg
All other models 1315 kg Te
ch nical da ta471

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. Driving sy
stems Display messages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you es tablish the electrical connection tothe trailer, Active Blind Spot Assi stis una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
In order toadjust theve hicle le vel,yo u must not drive at speeds greater than 60 km/h. #
In order toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 30 km/h. Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 487

Display messages
Possible causes/consequences and M
MSolutions #
Do not drive at speeds greater than 80 km/h. #
Consult a qualified specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you es tablish the electrical connection tothe trailer, Blind Spot Assist is una vailable. #
Press the left-hand Touch Control and ackn owledge the display message.
É Stop vehicle Vehicle too
low *Y
ou ha vepulled away despite theve hicle le vel being too lo w. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions.
The vehicle is raised tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
If th e display message does not disappear and a warning tone also sounds, AIR BODY CONTROL is malfunctioning: #
Do not drive fasterthan 80 km/h and consult a qualified specialist workshop immediatel y.
* NO
TEThe tyres of the front axle or the front wings could be damaged bylarge steering mo vements #
Avoid large steering mo vements while driving and lis tenfo r scraping sounds. #
Ifyo u hear sc raping sounds, pull over and stop theve hicle safely, paying attention toroad and traf fic con‐
ditions, and set a higher vehicle le vel if possible. #
Set a higher vehicle le vel (→ page 217).
Depending on the malfunction, theve hicle is raised. Display messages and
warning/indicator lamps 491

Data
storage
Electronic control units ........................ .26
Online services ...................................... 28
Ve hicle .................................................. 26
Date Setting the time and date automati‐
cally ..................................................... 291
Deactivating the alarm (A TA).................... 97
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 23
Jack .......................................................23
TIREFIT kit ............................................. 24
Wi reless vehicle components ................23
Decorative foil (cleaning instructions)
.................................................................. .403
DeNO x agent
see AdBlue ®
Designs Menu (on-boa rdcompu ter) ................. .255
Dest ination .............................................. .319
Editing intermedia tedestinations ........ 309 Editing
the pr evious destinations ........ 320
Ex tern al .............................................. .320
Saving (cur rent vehicle position) ..........3 19
Saving as global favo urite .................... 320
St oring a map position ........................ 320
Destination entry .................................... 304
Entering 3 wordaddresses .................. 310
Entering a POI or address .................... 304
Entering an intermedia tedestination .. 308
Ente ring geo-coordinates ..................... 310
Selecting a contact ............................. 309
Selecting a POI .................................... 307
Selecting from the map ....................... 310
Selecting pr evious destinations .......... .307
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................24
Diesel Low outside temp eratures ...................4 62
No tes .................................................. 462
Digital Owner's Manual .............................18
Digital speedome ter ............................... 258 Digital
TV
see TV
Digital Vehicle Keyst icker
Locking theve hicle ................................ 77
St arting theve hicle ............................. 15 8
Unlocking theve hicle ............................77
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 33
DIRECT SELECT le ver............................... 16 9
Engaging drive position ....................... 17 0
Engaging neutral .................................. 17 0
Engaging pa rkposition ........................ 17 0
Engaging pa rkposition automatically .. 17 0
Engaging reve rsege ar ........................ .170
Fu nction .............................................. 16 9
Display Care .................................................... 409
Display (multimedia sy stem)
Settings .............................................. .290
Display (on-board comp uter)
Displ ays on the multifunction display .. 256 Index
549

Display content
Setting the additional value range ....... 255
Displ aymessage ...................................... 472
Calling up (on-board co mputer) .......... .472
No tes ................................................... 472
Display messages ¯ - - - km/h .................................. .493
ç - - - km/h ................................... 492
È - - - km/h ................................... 494
#12 V battery See Owner's Man‐
ual ....................................................... 498
K 12V battery See Owner's Man‐
ual ....................................................... 521
#48 V battery See Owner's Man‐
ual ....................................................... 500
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........496
Ac tive Blind Spot Assi stinope rative .... 492
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 487 Ac
tive bonnet malfunction See Own‐
er's Manual .......................................... 517
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 485
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 483
Ac tive Dis tance Assi stavailable
again .................................................. .493
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........493
Ac tive Dis tance Assi stinope rative ...... 493
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 495
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........489
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 490
bAc tive Light Sy stem inoperative .. 523Ac
tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 495
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........488
Ac tive Steering Assist inoperative .......487
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 525
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .525
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .524
¯ AdBlue sy stem fault Engine
st art not possible ................................ 505
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual ................................................ 504 550
Index

ESP
®
Crosswind Assist ................................ .192
Tr ailer stabilisation .............................. 19 2
ESP ®
(Electronic Stability Prog ram) ...... 188
Ac tivating/deactivating ...................... .192
Fu nction/no tes ................................... 188
EU general operating permit number ....457
Exterior lighting Care .................................................... 407
Exterior lighting see Lights
External device Locking (child saf ety lock) .................. .296 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 86
Calling up ............................................ 285
Deleting ............................................... 286 Moving ................................................ 286
Overview ............................................. 285
Re
naming ............................................ 286
Fi ll le vel
Ad Blue ®
............................................... 257
Fi lling station sear ch
St arting automatic sear ch................... 308
Switching au tomatic sear chon/off ..... 314
Using automatic sear ch....................... 314
Fi re extinguisher ...................................... 414
Firs t-aid kit (soft sided) ...........................413
Flacon Inserting/removing ............................ .147
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................4 14
MOExtended tyres ...............................4 15
No tes ................................................... 414
TIREFIT kit ............................................ 416
Wheel change ...................................... 447
Floor mats ................................................ 12 5
Fo g light (extended range) ......................1 31Fo
il co vering
Ra dar sensors ...................................... 187
Fo lding draught stop
Care .................................................... 407
Fitting .................................................... 93
Re moving ............................................. .93
Fr ag rance
see Frag rance sy stem
Fr ag rance sy stem .................................... 147
Inserting/removing theflacon ............ .147
Setting ................................................. 147
Fr ee software ............................................ 29
Fr equencies
Tw o-w ayradio ...................................... 456
Fr equency band
Dialling (on-board computer) .............. .261
Fr ont airbag .............................................. .38
Fr ont passenger seat
see Seat
Fu el .......................................................... .462
Ad ditives .............................................4 62
Diesel ................................................. .462
E10 ...................................................... 461 Index
557