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

Drivingand pa rking .................................. 131
Driving ........................................................ 131
DY NA MIC SELECT switch ............................1 38
Au tomatic transmission .............................. 139
Re fueling .................................................... 143
Pa rking ...................................................... .145
Driving and driving saf etysy stems ............ .153
Instrument Display and on-board
comp uter .................................................. 199
Instrument Display overview ...................... .199
Overview of the buttons on thesteering
wheel ......................................................... .200
Operating the on-board computer .............. 200
Setting the additional value range .............. 202
Overview of displ ays on the multifunc‐
tion display ................................................ .202
Ad justing the instrument lighting ............... 203
Menus and submenus ................................ 203
Head-up Display .......................................... 210
Vo ice Control Sy stem ............................... 212
No tes on operating saf ety.......................... .212
Operation ....................................................2 12Using
theVo ice Cont rol Sy stem ef fec‐
tively ........................................................... 214
Essential voice commands .......................... 214
Multimedia sy stem .................................. 223
Overview and operation .............................. 223
Sy stem settings .......................................... 231
ENE RGIZING comfort .................................. 243
Na vigation .................................................. 245
Te lephone .................................................. .269
Online and Internet functions ..................... 285
Media .........................................................2 92
Ra dio .......................................................... 304
Sound .......................................................... 311
Maintenance and care .............................314
ASS YST PLUS service inter val display ........ .314
Engine compartment .................................. 315
Cleaning and care ...................................... .321
Breakdown assistance ............................332
Emergency .................................................. 332
Flat tire ....................................................... 332 Battery (vehicle) ......................................... 338
To
w starting or towing away ....................... 343
Electrical fuses ........................................... 348
Wheels and tires ...................................... 352
No tes on noise or unusual handling char‐
acteristics .................................................. .352
Re gular checking of wheels and tires ......... 352
No tes on snow chains ................................ 353
Ti re pressure .............................................. 354
Loading theve hicle .................................... 360
Ti re labeling ................................................ 365
Definition of term sfo r tires and loading ..... 370
Changing a wheel ...................................... .373
Tech nical data .......................................... 383
No tes on tech nical da ta.............................. 383
Ve hicle electronics .....................................3 83
Ve hicle identification plate, VIN and
engine number ...........................................3 85
Operating fluids .......................................... 387
Ve hicle data ................................................ 393
Contents 3

must accept any interfere nce, including inter fer‐
ence that may cause undesired operation of the
device."
USA: "Wireless charging sy stem for mobile devi‐
ces (Model: D-WMI20 15A): this device complies
with Part18 ofthe FCC Rules."
The name and address of there sponsible party
is:
Continental Automotive Sy stems US Inc.
24 00 Executive Hills Drive
Au burn Hills, MI 48326-2980
Uni tedSt ates of America
Diagnostics connection
The diagnostics connection is only in tended for
th e connection of diagnostic devices at a quali‐
fi ed specialist workshop.
0071
WARNING Risk of accident due tocon‐
necting devices tothe diagnostics con‐
nection
If yo u connect equipment toa diagnostics
connection in theve hicle, it may af fect the
operation of vehicle sy stems.
As a result, the operating saf etyof theve hi‐
cle could be af fected.
00BBOnly connect equipment toa diagnos‐
tics connection in theve hicle which is
appr ovedfo ryo ur vehicle byMercedes-
Benz.
0071 WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardizes the operating and road
saf etyof theve hicle.
00BBStow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll.
00BBAlw ays ins tallth efloor mats securely
and as prescribed in order toensure
th at there is alw ays suf ficient room for
th e pedals.
00BBDo not use loose floor mats and do not
place floor mats on top of one ano ther.
0075 NO
TEBattery discharging from using
devices connected tothe diagnostics
connection
Using devices at the diagnostics connection
drains the batter y.
00BBCheckthech arge leve l of the batter y.
00BBIfth ech arge leve l is lo w,charge the
batter y,e.g. bydriving a considerable
dis tance.
Connecting equipment tothe diagnostics con‐
nection can lead toemissions monitoring infor‐
mation being reset, forex ample. This may lead
to theve hicle failing tomeet therequ irements of
th e next emissions inspection during the main
inspection.
24 General no tes

If NHTSAreceive s similar complaints, it may
open an in vestigation, and if it finds that a saf ety
defect exists in a groupof vehicles, it may order
a re call and remedy campaign. Ho wever,NHT SA
cannot become in volved in individual problems
between you, your dealer, or Mercedes-Benz
US A,LLC.
To contact NHT SA,yo u may call theVe hicle
Saf etyHotlin eto ll-f ree at 1-888-327-4236
(TT Y:1-800-424-9 153) (inside the USA); go to
http://www.safercar.gov; or write to:Ad minis‐
trator, NHT SA, 400 Se venth Street,SW .,Wa sh‐
ington, DC 20590, US A.
Fu rther information on vehicle saf etycan be
fo und at: http:/ /www.safercar.g ov
LimitedWarranty
0075 NO
TEDama getotheve hicle arising
from violation of these operating instruc‐
tions.
Damage totheve hicle can arise from viola‐
tion of these operating instructions.
This damage is not co vered either bythe
Mercedes-Benz implied warranty or bythe
New‑ or Used- Vehicle Warrant y.
00BBFollow the instructions in these operat‐
ing instructions on proper operation of
yo ur vehicle as well as on possible vehi‐
cle damage.
QR codes for the rescue card
The QR code is secured in the fuel filler flap and
on the opposite side on the B-pillar. In theeve nt
of an accident, rescue services can use the QR
code toquickly find the appropriate rescue card
fo ryo ur vehicle. The cur rent rescue card con‐
ta ins the most impor tant information about your
ve hicle in a compact form , e.g. thero uting of the
electric lines.
Fu rther information can be obtained at http://
www.mercedes-benz.de/qr-code.
Ve hicle data storage
Information from electronic control units
Yo ur vehicle is equipped with electronic contro l
units. Some of these are necessary forth e safe
operation of your vehicle, while some assist you
when driving (driver assis tance sy stems). In
addition, your vehicle pr ovides con venience and
enter tainment functions, which are also made
possible byelectronic control units.
Elect ronic control units contain da tamemories
which cantemp orarily or permanently store
te ch nical information about theve hicle's operat‐
ing status, component loads, mainte nance
re qu irements and tech nical events or malfunc‐
tions.
In general, this information documents thest ate
of a component part, a module, a sy stem or the
sur roundings, forex ample:
Roperating statuses of sy stem components
(e.g. fluid leve ls, battery status, tire pressure)
Rstatus messages concerning theve hicle and
its individual components (e.g. number of
wheel revo lutions/speed, decele ration, lat‐
26
General no tes

SmartKey
Overview of SmartK eyfunctions
0071
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
ROpen doo rs,th ereby endangering other
persons or road users.
RGet out of theve hicle and be hit by
oncoming traf fic.
ROpe rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
RRe leasing the parking brake.
RShifting the automatic transmission out
of park position 005Dor shifting manual
transmission into neutral.
RSt arting the engine
00BBWhen leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
00BBNe ver lea vechildren and animals unat‐
te nded in theve hicle.
00BBKe ep the SmartK eyout of reach of chil‐
dren.
0075 NO
TEDama getotheke ycaused by
magnetic fields
00BBKe ep theke yaw ay from strong mag‐
netic fields.
1Loc ks
2Battery check lamp
3Unloc ks
4Opens/closes the trunk lid
5Pa nic alarm
The Smart Keyloc ksand unlo cksth efo llowing
components:
RThe doors
RThe trunk lid
RThe fuel filler flap
Opening and closing 57

Ifyo udo not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
RThe vehicle is loc ked again
RAnti- theft pr otection is reactivated
Do not keep the SmartK eytoge ther with elec‐
tronic devices or me tal objects. This can af fect
th e SmartK ey's functionality.
00CE If battery check lamp 2does not light up
af te r pressing the0036 or0037 button, the
battery is dischar ged.
Changing the SmartK eybattery (
→page 59).
Activating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
00869HKLFOH00CFî 9HKLFOH 6HW
WLQJV00CF$FRXVWLF /RFN
00BBAc tivate 0073or deacti vate 0053 the function.
Ac tivating/deactivating the panic alarm
Re quirements
00CE The panic alarm function is only available in
cer tain countries.
RThe ignition is switched off.
00BBTo activate: press button 1for app rox‐
ima tely one second.
A visual and audible alarm is triggered.
00BBTo deactivate: briefly press but ton1 again.
or
00BBPress thest art/ stop button on the dash‐
board (the SmartK eyis inside theve hicle).
Changing the unlocking settings
Po ssible unlocking functions of the SmartK ey:
RCentral unlo cking
RUn locking the driver's door and fuel filler flap
00BBTo switch between settings: pressthe
0036 and0037 buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selecte d:
RPressingthe0036 button a second time cen‐
trally unloc kstheve hicle.
RVe hicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked.
Re ducing the energy consu mption of the
SmartK ey
Allvehicles: ifyo udo not use theve hicle or a
SmartK eyfor an extended pe riod of time, you
can reduce the energy consum ption of the
58
Opening and closing

respective SmartK ey.To do so, deactivate the
SmartK eyfunctions.
00BBTo deactivate: pressthe0037 button on the
SmartK eytwice in rapid succession.
The battery check lamp of the SmartK ey
fl ashes twice brief lyand lights up once.
00BBTo activate: press any button on the Smart‐
Ke y.
00CE When theve hicle is star ted with the Smart‐
Ke yin thestow age compartment of the cen‐
te r console, the SmartK eyfunctions are
au tomatical lyactivated (
→page 132).
Re moving/inserting the mechanical key
00BBTo remo ve:press release knob 1.
Mechanical key2 is pushed out slight ly.
00BBPull ou tme chanical key2 until it en gage s in
th e intermediate position.
00CE You can use the intermediate position of
mechanical key2 toattach theke yto ake y
ri ng.
00BBPress release knob 1again and fully
re mo vemechanical key2.
00BBTo inser t:press release knob 1.
00BBInsert mechanical key2 tothe intermediate
position or fully until it engages.
Re placing the SmartK eybattery
0071
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive sub‐
st ances. Swallowing batte ries may cause
serious damage tohealth.
There is a risk of fata l injur y.
00BBKeep batteries out of there ach of chil‐
dren.
00BBIf batteries are swallo wed, seek medical
attention immediately.
00D2ENVIRONMEN TALNO TEEnvironmental
damage causedbyimproper disposal of
batteries
Bat teries conta in pollutants. It is
illegal todispose of them with the household
ru bbish.
00BB
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries.
Opening and closing 59

Requirements:RYourequ ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a qualified specialist work‐
shop.
00BBRe mo vethe emer gency key (→pag e59).
00BBPress release button 2down fully and slide
co ver1 inthe direction of the ar row.
00BBFold out co ver1 inthe direction of the
ar row and remo ve.
00BBRe mo vebattery compartment 3and take
out the dischar ged batter y.
00BBInsertthe new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry.
00BBPush in battery compartment 3.
00BBRe-attach co ver1 and push it until it
engages.
Problems with the SmartK ey
Problem
Possible causes/consequences and 0050Solutions
Yo u can no longe r lock or unlock the
ve hicle. Po
ssible causes are:
RThe SmartK eybattery is dischar ged or nearly dischar ged.
RThere is inter fere nce from a po werful radio signal source.
60
Opening and closing

ProblemPossible causes/consequences and 0050Solutions
RThe SmartKeyis defective.
00BBCheck the battery using the battery check lamp and replace if necessar y.
00BBUsethe mechanical keyto lock or unloc k.
00BBHave the SmartK eychecked at a qualified specialist workshop.
Yo u ha velost a SmartK ey.
00BBHa ve the SmartK eydeactivated at a qualified specialist workshop.
00BBIf necessar y,ha ve the loc kschanged as well.
Opening and closing 61

00BBTounlock theve hicle: touch the inner sur‐
fa ce of the door handle.
00BBTo lock theve hicle: touch sensor sur face
1 or2.
00BBCo nvenience closing: touch recessed sen‐
sor surf ace2for an extended pe riod.
00CE Further information on con venience closing
(
→pa ge 74).
If yo u open the trunk lid from outside it is auto‐
matically unloc ked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and 0050Solutions
Yo u can no longe r lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes are:
RKEYLESS-GO has been deactivated .
RThe SmartK eybattery is dischar ged or near lydischar ged.
RThere is inter fere nce from a po werful radio signal source.
Opening and closing 63

ProblemPossible causes/consequences and 0050Solutions
RThe SmartKeyis defective.
00BBActivate KEYLESS-GO .
00BBCheck the battery using the battery check lamp and replace if necessary .
00BBUse the mechanical keyto lock or unlock theve hicle .
00BBHa ve theve hicle and SmartK eychecked at a qualified specialist workshop.
Ac tivating/deactivating the automatic lo ck‐
ing feature
The vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace.
00BBTo activate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
00BBTo deactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
There is a danger of being loc ked out if the func‐
tion is activated:
RWhile theve hicle is being tow star ted/
pushed.
ROn a roller dynamome ter.
64
Opening and closing