cooling MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Manual

0071WARNING Risk offire from placing
objects in the mobile phone stowage
compartment
If yo uplac e objects inthe mobile phone
stow age compartment, they may heat up
exc essively and even catch fire .
00BBDo not place additional objects, espe‐
cially those mode of me tal, in the
mobile phone stowage compartment.
0075 NO
TEDama getoobjects caused by
placing them in the mobile phone stow‐
age compartment
If yo uplac e objects inthe mobile phone
stow age compartment, these may be dam‐
aged byelectromagnetic fields.
00BBDo not place credit cards, storage
media or other objects sensitive to
electromagnetic fields in the mobile
phone stowage compartment.
0075 NO
TEDama getothe mobile phone
stow age compartment caused byliquids
If liquids enter the mobile phone stowage
compartment, the compartment may be
damaged.
00BBEnsure that no liquids enter the mobile
phone stowage compartment.
RDepending on theve hicle equipment, the
mobile phone is connected totheve hicle's
ex terior antenna via thech arging module.
RThe charging function and wireless connec‐
tion of the mobile phone totheve hicle's
ex terior antenna are only available if the igni‐
tion is switched on.
RSmall mobile phones may not be able tobe
ch arge d in every position of the mobile
phone stowage compartment.
RLargemobile phones which do not rest flat in
th e mobile phone stowage compartment may
not be able tobe charge d or connec ted with
th eve hicle's exterior antenna.
RThe mobile phone may heat up during the
ch arging process. The mobile phone can be
cooled in the mobile phone stowage com‐
partment when the air conditioning sy stem is
switched on. The cooling output in the
mobile phone stowage compartment is high‐
est when the controller in theglov e box is
closed.
RTo ensure more ef ficient charging and con‐
nection with theve hicle's exterior antenna,
re mo vethe pr otective co ver from the mobile
phone.
RWhen charging, the mat should be used if
possible.
Wi reless charging of the mobile phone in the
front
Requ irementsRThe mobile phone is suitable for wireless
ch arging (Qi-compatible mobile phone).
00CE A list of Qi-compatible mobile phones can be
found at: http ://www.mercedes-benz.com/
connect.
Seats and stowing 10
9

90072Switches ai r-re circulation mode on/off
(→page 127)
A008F Setsthe front passenger side air distri‐
bution
B0082 Setsthe front passenger side temp era‐
ture
Re ar operating unit
Yo u can set thete mp erature forth e entire rear
compartment using buttons 1or3.
1Sets thete mp erature
2Display
3Sets thete mp erature
Operating the clima tecontro l system
Ac tivating/deactivating climate control
00BBTo activate: setthe air flow toleve l 1 or
higher using the002D button.
00BBTodeactivate: setthe air flow toleve l 0
using the002D button.
00CE If climate control is deactivated, the win‐
do ws can fog up more quickl y.Deactivate
climate control only brie fly.
Ac tivating/deactivating the A/C function via
the control panel
The A/C function cools, heats and dehumidifies
th e interior air in theve hicle.
00BBPress the005A button.
Deactivate the A/C function only briefly other‐
wise the windo wscan fog up more quickl y.
Condensation may dr ipfrom the underside of
th eve hicle when cooling mode is active. This is
not a sign that there is a malfunction.
Ac tivating/deactivating the A/C function
using the multimedia sy stem
Multimedia sy stem:
00869HKLFOH00CFb &OLPDWH &RQWURO00CF$&
The A/C function heats, cools and dehumidifies
th eve hicle's interior air.
00BBSwitch the function on 0073or off 0053.
Setting climate control toautomatic
In au tomatic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y.
00BBPressthe0058 button.
00BBToswitch tomanual mode: pressthe002D
or 008F button.
Climate control 12
5

must be located in marked space 2during
th e entire journe y.
00BBHave SmartK ey1 checked at a qualified
specialist workshop.
If th eve hicle does not star t:
00BBLea veSmartK ey1 in mar ked space 2.
00BBDepress the brake pedal and start theve hicle
using thest art/ stop button.
00BBSt art theve hicle using thest art/ stop button.
00CE You can also switchon the po wer supp lyor
th e ignition with thest art/ stop button.
St arting theve hicle via Remo teOnline serv‐
ices
Cooling or heating theve hicle interior before
st arting a journey
00CE This function is not available in all countries.
If yo ustart theve hicle via your smartphone, the
pr ev iously selecte d air conditioning setting is
active. Ensure
thefo llowing before starting the engine:
RThe legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
RIt is safe tostart and runth e engine where
yo ur vehicle is par ked.
RThe fuel tank is suff icientlyfilled.
RThe star ter battery is suf ficiently charge d.
St arting theve hicle
0071
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work.
00BBAlw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work.
Re quirements:Rpark position 005Dis selected.
Rthe anti- theft alarm sy stem is not activated.
Rth e panic alarm is not activated.
Rthe hazard warning lights are switched off.
Rthe hood is closed.
Rthe doors are closed and loc ked.
Rthe windo wsand soft top are closed.
00BBSt art theve hicle using the smartphone:Rafte reve ryvehicle start, the engine runs for
te n minu tes.
Ryo u can car ryout a maximum of two consec‐
utive starting attem pts.
Ryo u can stop theve hicle again at any time.
Rfur ther information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work:
00BBSwitch on the hazard warning lights.
or
00BBUn lock the doors.
or
00BBOpen a side window or the soft top.
Driving and parking 13
3

ENERGIZING comfort
ENERGIZING comfort program ove rview
Prog ram ove rview
Prog rams Function
Re fresh
Can maketargeted changes tothe interior climate torefresh vehicle occupants. Cooling air flow and ioniza‐
tion purify the air. The vehicle interior is illuminated with cool colors and the seats are ventilated.
Wa rmth
Can increase the comfort le vel of the occupants. The vehicle's panel, seat and steering wheel heater pro‐
duce a cozy warmth. The air is pu rified using ionization and a pleasant fragrance is released. The vehicle
interior is illuminated with warm lighting.
Vi tality
Can countera ct fatigue in mono tonous driving situations. Fast-paced music and a vitalizing massage pro‐
vide invigorating stimulation forth eve hicle occupants. The air is purified using ionization and a pleasant
fragrance is released. The vehicle interior is illuminated in a stimulating hue and the seat is ventilated.
Pleasure Can promotea positive mood in the occupants. Moderately fastmusic is pla yed and a massage program is
activated. The air is purified using ionization and a pleasant fragrance is released. The vehicle interior is
illuminated with amicable lighting.
Multimedia sy stem 24
3

00BBMake surethat no engine oil is spilled
next tothefiller opening.
00BBAllow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle.
0075 NO
TEEngine damage causedbyan
incor rect oil filter, incor rect oil or addi‐
tives
00BBDo not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forth e
service inter vals.
00BBDo not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an prescri bed.
00BBDo not use additives.
00BBFollow the instructions in the service
inter val display rega rding the oil
ch ange.
0075 NO
TEDama gecaused bytopping up too
much engine oil
Ad ding too much engine oil can cause dam‐
age tothe engine or the catalytic con verter.
00BBHa ve excess engine oil remo ved at a
qu alified specialist workshop.
00BBTu rn cap 1counter-clockwise and remo ve
it.
00BBAd d engine oil.
00BBReplace cap 1and turn it clockwise as far
as it will go.
00BBCheck the oil le vel again (→page 318).
Checking coolant le vel
0071
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem.
00BBLet the engine cool down and only
to uch the component parts described
as follo ws .
0071
WARNING Danger of burn s from hot
coolant
The engine cooling sy stem is pressurized,
particularly when the engine is warm. If you
Maintenance and care 31
9

Coolant
Notes on coolant
Obser vethe no tes on operating fluids
(
→page 387).
0071 WARNING ‑ Risk of fire and injury from
antifreeze
If antifreeze comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite.
00BBAllow the engine tocool down before
adding antifreeze.
00BBMake surethat no antifreeze spills out
next tothefiller opening.
00BBThoroughly clean off any antifreeze
from component parts before starting
th eve hicle.
0075 NO
TEDama gecaused byincor rect cool‐
ant
00BBOnly add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Fu rther information on coolant:
RIn the Mercedes-Benz Specifications for
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com.
RAt aqu alified specialist workshop.
0075 NO
TEOverheating at high outside tem‐
peratures
If an inappro priate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures.
00BBAlw ays use coolant appr ovedby
Mercedes-Benz.
00BBObser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1.
Ha ve the coolant regularly replaced at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
Ra minimum of 50% (antifreeze pr otection
down toappr oximately -35 °F (-37 °C)).
Ra maximum of 55% (antifreeze pr otection
down to-49 °F (-45 °C)).
Coolant filling capacity
Capacity
Model Capacity
All models 12.7 US qt (12.0 l)
Note s on windshield washer fluid
Obser vethe no tes on operating fluids
(→page 387).
Te ch nical da ta391

Activating/deactivating the synchro‐
nization function (cont rol panel) .......... 126
Ac tivating/deactivating the synchro‐
nization function (multimedia sys‐
te m) ..................................................... 126
Ad justing the climate style settings ..... 126
Air di stribution settings ...................... .126
Air-recirculation mode ......................... 127
Au tomatic control ................................ 125
Climat est yle function .......................... 126
Defrosting the windo ws....................... 126
Defrosts the windshield ....................... 124
Dual-zone au tomatic climate control
panel .................................................... 124
Filling capacity forPA G oil .................. .393
Fr ont air vents ..................................... 128
Glo vebox air vent ................................ 129
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 127
Ionization ............................................. 127
Re ar air vents ...................................... 129
Re ar operating unit .............................. 124
Re frigerant .......................................... 392
Re frigerant filling capacity .................. .393
Re sidual heat ....................................... 127
Sets the air flow .................................... 124 Setting
the air distribution .................. .124
Setting the fragrance sy stem ............... 127
Se tting
thete mp erat
ure ....................... 124
Switching there ar wind owheater
on/off .................................................. 124
Ve ntilating theve hicle (con venience
opening) ................................................ 73
Climate style
Fu nction .............................................. 126
Setting ................................................. 126
Cockpit ........................................................ .6
Overview .................................................6
COMAND see Multimedia sy stem
COMAND Touch
Managing devices ................................ 236
Combination switch see Turn signals
Compass .................................................. 268
Computer On-board computer ............................. 200
Connection status
Display ing ............................................ 288 Overview ............................................
.288
Contacts ................................................... 274
Callin g up ............................................ 275
Del eting .............................................. .276
Downloading (from mobile phone) ....... 274
Importing ............................................. 276
Information .......................................... 274
Making a call ................................. ......
276
Na me form at .

..................................... .275
Options ................................................ 276
St oring .................................................2 76
Controller Operating ............................................ 224
Con venience closing feature .................... 74
Con venience opening ................................ 73
Coolant (engine) Checking le vel ...................................... 319
Filling capacity ..................................... 391
No tes ................................................... 391
Cooling see Climate control
Co pyright
Licenses ................................................ 29
Index 467

0053Inoperative.................................. 405
00AFKe yNo tDe tected (white dis‐
play message )...................................... 431
00AFKe yNo tDe tected (red displ ay
message )............................................ .431
0075Left Side Cur tain Airbag Mal‐
function Service Required (e xample)..410
Let fresh air into theve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 36
¢ Lowe ring ..................................... 413
Malfunction Drive at Max. 50 mph.......4 15
0049Malfunction See Operator ’s
Manual ................................................ 442
0067 Malfunction Service Required .... 439
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 433
00AFObta in a NewKey........................ 43 0
00D9Of f.............................................. .419 Only Shift
to'P' when Vehicle is Sta‐
tionary ................................................ .433
0059 Open/Close Con vertible Top
Comple tely .......................................... 440
0049Pa rking Brake See Opera tor's
Manual ................................................ 402
00AFPlace theKe yin the Mar ked
Space See Opera tor's Manual .............432
0077Please Cor
rect Tire Pressure .......426
0049

Please Release Parking Brake ...... 401
PRE- SAFE Inopera tive See Opera‐
to r's Manual ........................................ 408
Ra dar Sensors Dirty See Operator's
Manual ........................................ 406, 407
006FRe ar Left Backrest Not
Latc hed (Example) ...............................4 38
00AFRe placeKeyBat tery .................... 430
Re versing Not Possible Service
Re quired .............................................. 434
003DSee Opera tor's Manual ............... 422 Service
Required Do Not Shift Gears
Vi sit Dealer .......................................... 433
0075SRS Malfunction Service
Re quired .............................................. 409
003DSt art Engine See Operator's
Manual ................................................ 422
0059 Start Engine See Operator's
Manual ................................................ 439
00CCSt eering Malfunction Drive
Carefully Service Required .................. 435
00CCSt eering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual ....................................................... 437
00CCSt eering Malfunction Stop
Immediately See Operator's Manual ... 436
St op Vehicle Lea veEng
ineRunning
Wa itTransmission Cooling .................. 434
003DSt opVehicle Lea veEngine Run‐
ning ..................................................... 423
Index 47
1

Protecting the environment
No tes ..................................................... 19
Q
QR code Rescue card .......................................... 26
Qualified specialist workshop ................. 25
R
Ra dar senso rs.......................................... 153
Ra dio
Ac tivating ............................................ 304
Ac tivating/deactivating radio text ....... 307
Calling up thech annel list .................. .306
Deleting stations ................................ .306
Direct frequency entry ........................ 306
Display ing information ........................ .307
Displ aying radio text ............................ 307
Editing station presets ........................ .306
Menu (on-board computer) .................. 207
Moving stations .................................. .306
Overview ............................................. 305
Sear ching forst ations ........................ .306
Setting a station .................................. 306 Setting
thewa veband .......................... 306
St oring radio stations .......................... 306
Swit ching HD Radio on/off .................3 06
Ta gging music trac ks........................... 307
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 219
Ra dio stations
Selecting (on-board computer) ............ 207
Ra nge
Displaying ............................................ 204
Re ading lamp
see Interior lighting
Re alwo od (Care) ...........
.........................
.329
Re ar fog light ............................................ 112
Re ar seat
see Seat
Re ar view camera ....................................1 78
Assigning as a favo rite (360° Cam‐
era) ...................................................... 183
Fu nction ............................................... 178
Opening the camera co ver (360°
Camera) ............................................... 183 Re
ar view camera/ 360° Camera
Ca re .................................................... 327
Re ar window heater ................................ 124
Re ar-view mir ror
see Outside mir rors
Re frigerant (air conditioning sy stem)
No tes .................................................. 392
Re fueling
Re fueling theve hicle ........................... 143
Re mo teOnline
Cooling or heating theve hicle inte‐
ri or .......................................................1 33
St arting theve hicle ............................. 133
Re porting malfunctions releva nt to
saf ety .......................................................... 25
Re scue card ............................................... 26
Re ser ve
Fu el ..................................................... 389
Re set function (multimedia sy stem) .....2 42
Re sidual heat ...........................................1 27
Re storing (f actory set
tings)
see Reset function (multimedia sy stem)
484
Index

LimitedWarranty .................................. .26
Locking (auto matically) ......................... 64
Locking (emergency key) ...................... .64
Locking (from the inside) ....................... 62
Locking (KEYLESS-GO) .......................... 62
Lo we ring .............................................. 381
Maintenance .......................................... 21
Pa rking ................................................ 152
Problem notification .............................. 25
QR code rescue card ............................. 26
Qualifi ed specialist workshop ................2 5
Ra ising ................................................ .378
St arting (eme rgency operation
mode) .................................................. 132
St arting (Remo teOnline) ..................... 133
St arting (s tart/s top button) ................ .132
Switching off (s tart/s top button) ........ 145
Un locking (from the inside) .................. .62
Un locking (KEYLESS-GO) ...................... .62
Ve ntilating (co nvenience opening) ......... 73
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 221
Ve hicle
see Locking/unlo cking Ve
hicle data
Display ing (DYNAMIC SELECT) ............ 139
R
o of load ............................................. 394
Tu rning radius ...................................... 393
Ve hicle height ...................................... 393
Ve hicle length ...................................... 393
Ve hicle width ....................................... 393
Wheelbase ...........................................3 93
Ve hicle data storage
CO MAND/mbrace ................................. 28
Electronic contro l units ........................ .26
Event da tarecorders .............................2 8
Service pr oviders .................................. 28
Ve hicle dimensions ................................. 393
Ve hicle electronics
No tes .................................................. 383
Tw o-w ayradios .................................... 383
Ve hicle identification number
see VIN
Ve hicle identification plate
Pa int code .......................................... .385
VIN ...................................................... 385
Ve hicle identification plate
see Model series Ve
hicle interior
Cooling or heating (Remo teOnline) ..... 133
Ve hicle key
see SmartK ey
Ve hicle maintenance
see ASS YST PLUS
Ve hicle operation
Outside the USA or Canada .................. .21
Ve hicle position
Tr ansmittin g .
....................................... 233
Ve hicle tool kit ........................................ 334
TIREFIT kit .......................................... .334
To wing eye .......................................... .347
Ve ntilating
Con venience opening ............................ 73
Ve ntilation
see Climate cont rol
Ve nts
see Air vents
Vi deo mode .............................................. 299
Ac tivating ............................................ 297
Ac tivating/deactivating full-screen
mode ................................................... 299
Index 493