MERCEDES-BENZ S-CLASS CABRIOLET 2018 Owner's Guide

Whattodo in theeve nt of an accident
1 QR code for accessing there scue card →
28
2 Safetyve sts →
342
3 Button forth e SOS emer gency call sy stem and
breakdown assis tance →
294
4 Checking and topping up operating fluids →
396
5 Tow- starting and towing away →
354
6 Flat tire →
3427Starting assis tance →
350
8 Haza rdwa rning lights →
110
9 Fuelfiller flap with instruction labels for tire
pressure , fuel type and QR code for accessing
th ere scue card →
140
A Tow starting and towing away →
354
B TIREFIT kit →
344
Ataglance – Emer gencies and breakdowns 19

Calling upthe Digital Operator's Manual
Multimedia sy stem:
,Vehicle.Õ Operator's Manual
#Select a menu item.
In addition, you can also call up the Operator's
Manual within a main function (e.g. via Naviga-
tion Info).
The Digital Operator's Manual describes the
function and operation of:
Rth eve hicle
Rthe multimedia sy stem Fo
r saf etyre asons, the Digital Operator's Man‐
ual is deactivated while driving.
The Digital Operator's Manual conta insthefo l‐
lowing menu items:
RSearch: allo wsyouto sear chprecisely for
ke ywords.
RQuic kstart: prov ides youwit him por tant
information so that you can start using your
ve hicle immediately.
RTips: pr ovides tips on how touse your vehicle
in cer tain situations.
RMessages : provides youwit h fur ther informa‐
tion about the messages in the instrument
clus ter.
RBookmarks : provides you with a list of all the
bookmar ksyou ha vestored yourself.
1Picture
2Menu
3Na vigation window
Some sections of the Digital Operator's Manual,
e.g. warnings, can be made visible byhighlight‐
ing and pressing them.
% The Operator's Manual can also be found in
th e Mercedes-Benz Guides app in all com‐
mon app stores.
20
Digital Operator's Manual

Protecting the environment
+ENVIRONMENTAL NOTEEnvironmental
damage duetooperating conditions and
personal driving style
The pollutant emission of your vehicle is
directly related tothewa yyo u operate your
ve hicle.
Yo u can help toprotect the environment by
operating your vehicle in an environmentally-
re sponsible manner. Please obser vethefo l‐
lowing recommendations on ope rating condi‐
tions and pe rsonal driving style.
Operating conditions:
#Make sure that the tire pressure is cor‐
re ct.
#Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no
longe r need them).
#Ad here tothe service inter vals.
A regularly serviced vehicle will contri b‐
ute toenvironmen tal pr otection.
#Alw ays ha vemaintenance workcar ried
out at a qualified specialist workshop.
Pe rsonal driving style:
#Do not depress the accelera tor pedal
when starting the engine.
#Do not warm upthe engine while the
ve hicle is stationar y.
#Drive carefully and maintain a suitable
dist ance from theve hicle in front.
#Av oid frequent, sudden acceleration
and braking.
#Change gear in good time and use each
ge ar only uptoÔ of its maximum
engine speed.
#Switch off the engine in stationary traf‐
fi c, e.g. byusing the ECO start/ stop
function.
#Drive fuel-ef ficiently.
Environmental issues and recommendations:
it is recommended that youre -use or recycle
materials ins tead of just disposing of them. The
releva nt environmental guidelines and regu‐
lations ser vetoprotect the environment and
must be strictly obser ved.
Mercedes-Benz GenuineParts
+ENVIRONMEN TALNO TEEnvironmental
damage causedbynot using recycled
re conditioned components
Daimler AGoffers recycled reconditioned
components and part s withthe same quality
as new parts. The same entitlement from the
Limited Warranty is valid as for new parts.
#Use recycled reconditioned compo‐
nents and part s from Daimler AG.
Gene ral no tes 21

*NO
TEImpairment of the operating ef fi‐
ciency of there stra int sy stems from
ins talling accessories or from repairs or
we lding
Airbags, Emer gency Tensioning Devices, as
we ll as control units and sensors forth e
re stra int sy stems, may be ins talled in thefo l‐
lowing areas of your vehicle:
RDoors
RDoor pillars
RDoor sills
RSeats
RCo ckpit
RInstrument clus ter
RCente r console
#Do not ins tall accessories such as audio
sy stems in these areas.
#Do not car ryout repairs or welding.
#Have accessori esretrofitted at a quali‐
fi ed specialist workshop.
Yo u could jeopardize the operating saf etyof your
ve hicle if you use parts, tires and wheels as well
as accessories releva nt tosaf etywhic hha ve not
been appr ovedby Mercedes-Benz. Saf ety-re le‐
va nt sy stems, e.g. the brake sy stem, may mal‐
function. Only use Mercedes-Benz GenuineParts
or parts of equal quality. Only use tires, wheels
and accessory parts that ha vebeen specifically
appr ovedfo ryo ur vehicle model.
Mercedes-Benz GenuineParts are subject to
st rict quality control. Each part has been spe‐
cially de veloped, manufactured or selecte dfo r
Mercedes-Benz vehicles and fine-tuned forth em.
Therefore, only Mercedes-Benz GenuineParts
should be used.
More than 300,000 dif fere nt Mercedes-Benz
GenuineParts are available for Mercedes-Benz
models.
All au thorized Mercedes-Benz Centers maintain
a supply of Mercedes-Benz GenuineParts for
necessary service and repair work. In addition,
st ra tegically located parts-delivery centers pro‐
vide forqu ick and reliable parts service. Alw
ays specify theve hicle identification number
(VIN) (→page 394) when ordering Mercedes-
Benz GenuineParts.
Operator's Manual
This Operator's Manual describes all models and
all standard and optional equipment available for
yo ur vehicle at the time of this Opera tor's Man‐
ual going topress. Countr y-specific dif fere nces
are possible. No tethat your vehicle may not be
equipped with all features descri bed. This also
applies tosaf ety-re leva nt sy stems and functions.
Therefore, the equipment on your vehicle may
dif fer from that in the descriptions and illustra‐
tions.
The original pur chase contract documentation
fo ryo ur vehicle contains a list of all of the sys‐
te ms in your vehicle.
Should you ha veany questions concerning
equipment and operation, please consult an
authorized Mercedes-Benz Center.
The Operator's Manual and Maintenance Booklet
are impor tant documents and should be kept in
th eve hicle.
22
General no tes

Service andvehicle operation
Ve hicle operation outside the USA or Canada
When you are abroad withyo ur vehicle, obser ve
th efo llowing points:
RService points or replacement parts may not
be available immediatel y.
RUnleaded fuel may not be available forve hi‐
cles with a catalytic con verter. Leaded fuel
may cause damage tothe catalytic con verter.
RThe fuel may ha vean extreme lylow octane
number. Unsuitable fuel can cause engine
damage.
Some Mercedes-Benz models are available in
Europe thro ugh our European De livery Prog ram.
Fo r more information, please consult an au thor‐
ized Mercedes‑Benz service center, or write to
one of thefo llowing address:
In the USA:
Mercedes-Benz US A,LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 0764 5-0350 In Canada:
Mercedes-Benz Canada, Inc.
European Delivery Department
98
Vande rhoof Avenue
To ronto, Ontario M4G 4C9
Maintenance
Yo ur cus tomer advisor confirms the service in
th e service report.
Ro adside Assistance
The Mercedes-Benz Roadside Assis tance Pro‐
gram of fers tech nical help in the case of a
breakdown. Your calls totheto ll-f reeRo adside
Assis tance Hotline are ans weredby our agents
24 hours a da y,365 da ysaye ar.
1-800- FOR-MERCedes (1-800-367-63 72) (USA)
1-800-387-0 100 (Canada)
Yo u can find fur ther information in the
Mercedes-Benz Roadside Assis tance Program
brochure (USA) orthe "Roadside Assis tance" section in
the maintenance and warranty infor‐
mation booklet (Canada). Youwill find bo thin
th eve hicle document wallet.
Change of address or change of ownership
Intheev ent of a change of address, please send
us the "Notification of address change" in the
Service and Guarantee booklet or simply call the
Mercedes-Benz Cus tomer Assis tance Center
(USA) on the hotline number
1-800-FO R-MERCedes (1-800-367-63 72) or Cus‐
to mer Service (Canada) on 1-800-387-0 100. We
can then reach you in a timely fashion, if neces‐
sar y.
If yo u sell your Mercedes, please lea veall litera‐
ture in theve hicle so that it is available tothe
next owner. If you ha vepur chased a used vehi‐
cle, please send us the "Notice of Pur chase of
Used Car" in the Service and Guarantee booklet
or simply call the Mercedes-Benz Cus tomer
Assis tance Center (USA) at the hotline number
1-800-FO R-MERCedes (1-800-367-63 72) or Cus‐
to mer Service (Canada) at 1-800-387-0 100.
Gene ral no tes 23

Important noticefor Cali forn ia retail bu yers
and lessees of Mercedes-Benz automobiles
Under California law you may beentitled toa
re placement of your vehicle or a refund of the
pur chase price or lease price, if af ter a reasona‐
ble number of repair attem pts Mercedes-Benz
US A,LLC and/or its authorized repair or service
fa cilities failto fix one or more subs tantial
de fects or malfunctions in theve hicle that are
co veredby its express warrant y.
During a pe riod of 18months from original deliv‐
ery of theve hicle or a kilome ter/mileage read‐
ing of 18,000 miles (29,000 km), whiche ver
occurs firs t, ve hicle repair is presumed for a
re tail buyer or lessee if one or more of thefo l‐
lowing occurs:
(1) the serious defect or damage can result in
deadly or serious injury totheve hicle occu‐
pants while driving AND this defect has
already been repaired at least twice AND
Mercedes‑Benz, LLC has been informed in
writing of the necessity of a repair.
(2) the defect or damage, though less serious
th an (1) abo ve, has already been repaired at least
four times AND Mercedes‑Benz has
been informed in writing of the necessity of
a re pair.
(3) theve hicle cannot be used for longer than
30 calendar da ysbecause of repair work
re sulting from this or other serious defects
or damage.
Please send your written notice to:
Mercedes‑Benz US A,LLC
Cus tomer Assis tance C
enter
3 Mercedes Drive
Montvale, NJ 0764 5-0350
Operating saf ety
&
WARNING Risk of accident due tomal‐
functions or sy stem failures
If yo u do not ha vethe prescribed service/
maintenance workor any requiredrepairs
car ried out, this could result in malfunctions
or sy stem failures.
#Alw ays ha vethe prescribed service/
maintenance workas well any required
re pairs car ried out at a qualified spe‐
cialist workshop.
&
WARNING Risk of accident or injury due
to incor rect modification of electronic
components and part s
Modification toelectronic components, their
software or wiring could impair their function
and/or the function of other networ ked com‐
ponent parts. In particular, sy stems releva nt
to saf etycould also be af fected.
As a result, these may no longer function
proper lyand/or jeopardize the operating
saf etyof theve hicle.
#Ne verta mp er with theve hicle's wiring,
electronic components or software.
#Yo u should ha veall workon electrical
and electronic components car ried out
at a qualified specialist workshop.
24
General no tes

&WARNING Risk offire due toflammable
materials on hot parts of theex haust
sy stem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem.
#When driving on unpa vedro ads or off-
ro ad, regular lych eck theve hicle under‐
side.
#Re mo vetrapped plants or other flam‐
mable material.
#If th ere is damage, consult a qualified
specialist workshop immediately.
* NO
TEDama getotheve hicle
In thefo llowing situations, in particular, there
is a risk of damage totheve hicle:
RThe vehicle becomes grounded, e.g. on a
high curb or an unpa vedro ad.
RThe vehicle is driven toofast over an
obs tacle, e.g. a curb, speed bump or pot‐
hole.
RA heavy object strike sth e underbody or
ch assis components.
In situations such as this, the body, the
underbody, chassis components, wheels or
tires could be damaged without the damage
being visible. Components damaged in this
wa ycan unexpec tedly fail or, in the case of
an accident, may not absorb the loads that
arise as intended.
If th e underbody paneling is damaged, flam‐
mable materials such as lea ves, grass or
twigs can collect between the underbody and
th e underbody paneling. These materials may
ignite if they come into contact wi thhot
parts on theex haust sy stem.
#Ha ve theve hicle checked and repaired
immediately at a qualified specialist
wo rkshop.
or
#If driving saf etyis impaired while con‐
tinuing your journe y,pull over and stop
th eve hicle immediately in accordance
with the traf fic conditions, and contact
a qu alified specialist workshop.
Declaration of conformity for wi reless vehi‐
cle co mponents
USA: "The wireless devices of this vehicle com‐
ply with Part15 ofthe FCC Rules. Operation is
subject tothefo llowing two conditions: 1) These
devices may not cause harmful inter fere nce, and
2) These devices must accept any interfere nce
re ceive d, including inter fere nce that may cause
undesired operation. Change s or modifications
not expressly appr ovedby the party responsible
fo r compliance could void the user's authority to
operate the equipment."
Canada: "The wireless devices of this vehicle
comply with Industry Canada license-e xemp t
RSS standard(s). Operation is subject tothefo l‐
lowing two conditions: (1) These devices may
not cause inter fere nce, and (2) These devices
General no tes 25

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.
&
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.
#Only connect equipment toa diagnos‐
tics connection in theve hicle which is
appr ovedfo ryo ur vehicle byMercedes-
Benz.
& 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.
#Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll.
#Alw 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.
#Do not use loose floor mats and do not
place floor mats on top of one ano ther.
* NO
TEBattery discharging from using
devices connected tothe diagnostics
connection
Using devices at the diagnostics connection
drains the batter y.
#Checkthech arge leve l of the batter y.
#Ifth 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.
26 General no tes

Qualified specialistworkshop
An authorized Mercedes-Benz Center is a quali‐
fi ed specialist workshop. It has the necessary
specialist kn owledge, tools and qualifications to
cor rectly car ryout thewo rkrequ ired on your
ve hicle. This particularly applies towo rkreleva nt
to saf ety.
Fo rth efo llowing, alw ays ha veyour vehicle
ch ecked at an authorized Mercedes-Benz Cen‐
te r:
Rwo rkreleva nt tosaf ety
Rservice and maintenance work
Rrepair work
Rmodifications as well as ins tallations and
con versions
Rwo rkon electronic component parts
Mercedes‑Benz recommends an au thorized
Mercedes‑Benz Center.
Cor rect use of theve hicle
If yo ure mo veany warning sticke rs,yo u or others
could failto recognize cer tain dangers. Lea ve
wa rning sticke rs in position.
When using theve hicle, obser vethefo llowing
information:
Rth e saf etyno tes in this manual
Rtech nical da taforth eve hicle
Rtraf fic ru les and regulations
Rlaws and saf etyst andards per taining to
mo torve hicles
Problems with your vehicle
If yo u should experience a problem with your
ve hicle, particularly one that you belie vemay
af fect its safe ope ration, weurge youto contact
an au thorized Mercedes-Benz service center
immediately tohave the problem diagnosed and
re ctified. If the problem is not resolved toyour
satisfaction, please discuss the problem again
with the authorized Mercedes-Benz service cen‐ te
r or, if necessar y,contact us at one of thefo l‐
lowing addresses.
In the USA:
Cus tomer Assis tance Center
Mercedes-Benz US A,LLC
3 Mercedes Drive
Montvale, NJ 0764 5-0350
In Canada:
Cu stomer Relations Department
Mercedes-Benz Canada, Inc.
98 Vande rhoof Avenue
To ronto, Ontario M4G 4C9
Re porting saf ety defects
USA onl y:
The following text is published as requ ired of
manufacturers under Title 49, Code of U.S. Fed‐
eral Regulations, Part57 5 pursuant tothe
"N ational Traf fic and Mo torVe hicle Saf etyAc t of
19 66".
Gene ral no tes 27

Ifyo ubelie vethat your vehicle has a defect
which could cause a crash or could cause injury
or death, you should immediately inform the
Na tional Highw ayTraf fic Saf etyAd ministration
(NHT SA) in addition tonotifying Mercedes-Benz
US A,LLC.
If NHT SAreceive 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 ovLimitedWarranty
* 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.
#Follow 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.
Data storage
Electronic control units
Elect ronic control units are ins talled in your vehi‐
cle. 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 com fort 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 state, component loads, mainte nance
re qu irements and tech nical events or malfunc‐
tions.
28 General no tes