belt MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Guide

AIRSCARFwarmsth e head and neck area of
ve hicle occupants with warm air. The warm air
fl ow s out of theve nts in the head restra ints.
00BBTo switch on/increase the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
Depending on the heating le vel, up tothre e
indicator lamps light up.
00BBTo switch off/reduce the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
If all of the indicator lamps are off, AIRSCARF
is switched off.
00CE When switching on, the blo werst arts up only
af te r a preheating phase which lasts afew
seconds.
Af ter switching off, the blo werru ns on for a
fe w seconds tocool down the heating ele‐
ments.
00CE Ifth eve hicle battery voltage is too lo w,AIR‐
SCARF may switch off.
00BBAd justing the AIRSCARF vent (→pa ge 130).
Ma kesure that there are no objects co vering the
intake grille on the back of the head restra int.
Ste ering wheel
Adjusting the steering wheel manually
0071
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
00BBBefore starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
0071
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel.
Seats and stowing 95

Locking or unlockingthegl ove box
00BBTurn the mechanical key a quarter turn clock‐
wise 0048(to lock) or counter-clockwise 0047(to
unlock). Opening
the spectacles compa rtment
00BBPress button 1.
Rear ben chseat through-loading feature
Fo lding there ar seat backrest forw ards
0071
WARNING Risk of injury ifth ere ar
bench seat/rear seat and seat backrest
are not engaged
If th ere ar bench seat/rear seat and seat
backrest are not engaged they could fold for‐
wa rds, e.g. when braking suddenly or in the
ev ent of an accident.
RIfth is is the case, theve hicle occupant
wo uld be forc ed into the seat belt bythe
re ar bench seat/rear seat or bythe seat
backrest. The seat belt cann otprotect as
intended and could result in additional
injur y.
RObjects or loads in the trunk cannot be
re stra ined bythe seat backrest.
00BBMake sure that the seat backrest and
th ere ar bench seat/rear seat are
engaged before everytrip.
Both seat backrests can be folded forw ards sep‐
aratel y.
Seats and stowing 10
1

00BBPull button1.
00BBFoldthe cor responding seat backrest for‐
wa rds. Fo
lding there ar seat backrest back
0075 NO
TEDama getothe seat belt
The seat belt could become trapped and thus
damaged when folding back the seat back‐
re st.
00BBMake sure that the seat belt is not trap‐
ped when folding back the seat back‐
re st.
00BBMo vethe driver's or front passenger seat for‐
wa rds, if necessar y.
00BBFold cor responding seat backrest 1back
until it engages.
If th e seat backrest is not engaged and
loc ked, this will be shown in the multifunc‐
tion display in the instrument clus ter.
Overview of the tie-down eyes
Obser vethe no tes on loading theve hicle
(→page 99).
10 2
Seats and stowing

Installingthe wiper blades
00BBPush the new wiper blade onto the wiper arm
in the direction of ar row1untilre lease
knob 2engages.
00BBPress the wiper blade be yond the point of
re sis tance in the direction of ar row3on
th e wiper arm.
The wiper blade engages with a noticeable
click and mo ves freely again.
00BBLay the wiper arm back on the windshield.
Mir rors
Operating the outside mir rors
0071
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
00BBBefore starting the engine: adjust the
driver's seat, the head restra int, the
steering wheel or the mir ror and fasten
yo ur seat belt.
0071
WARNING Risk of accident due tomis‐
judgment of dis tances when using the
passenger mir ror
The outside mir ror on the front passenger
side reflects objects on a smaller scale. The
objects in view are in fact closer than they
appear.
As a result, you may mis judgethe dis tance
between you and thero ad user driving
behind you, forex ample, when changing
lanes.
00BBTherefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u.
12 0
Light and visibility

The electric parking brake is applied ifthe trans‐
mission is in position 005Dand one of thefo llow‐
ing conditions is fulfilled:
RThe engine is switched off.
RThe seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
00CE Toprev ent application: pull the handle of the
electric parking brake.
In thefo llowing situations, the electric parking
brake is also engaged:
RAc tive Dis tance Assist DISTRONIC is bringing
th eve hicle toast andstill.
RThe HOLD function is keeping theve hicle sta‐
tionar y.
RActive Parking Assist is keeping theve hicle
st ationar y.
This is only the case if one of thefo llowing con‐
ditions is also fulfilled:
RThe engine is switched off.
RThe seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
RThere is a sy stem malfunction.
RThe po wer supply is insuf ficient.
RThe vehicle is stationary for a lengt hyperiod.
When the electric parking brake is applied, the
0049 (USA) or 0024(Canada) indicator lamp
lights up in the instrument clus ter.
The electric parking brake is not automatically
applied if the engine is switched off bythe ECO
st art/ stop function.
Electric parking brake function (releasing
automatically)
The electric parking brake is released when the
fo llo wing c
onditions are fulfilled:
RThe engine is
running.
RThe seat belt tongue is inser ted into the seat
belt buckle of the driver's seat.
RThe transmission is in position 005Bor005E and
yo u depress the accelera tor pedal or you shift from transmission position
005Dto005B or
005E.
RIf th e transmission is in position 005E,the
trunk lid must be closed.
If th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, thefo llow‐
ing conditions must be fulfilled:
RThe driver's door is closed.
RYo u mo vethe transmission out of transmis‐
sion position 005Doryou ha veprev iously
driven faster than 2 mph (3 km/h).
RIfth e transmission is in position 005E,the
trunk lid must be closed.
If th e electric parking brake is released, the
0049 (USA) or 0024(CANADA) indicator lamp in
th e instrument clus ter goes out.
Driving and parking 15
1

RIfth e HOLD function is deactivated by
depressing the accelera tor pedal or the
brake pedal, e.g. byave hicle occupant.
RIfth e electrics in the engine compart‐
ment, the battery or the fuses are tam‐
pered with or if the battery is disconnec‐
te d.
00BBAlw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle.
0075 NO
TEDama gefrom au tomatic braking
When Active Brake Assi st,Ac tive Dis tance
Assist DISTRONIC or the HOLD function are
activated, theve hicle brakes autonomously
in cer tain situations.
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations:
00BBDuring towing
00BBIn a car wash
Requirements:RThe vehicle is stationar y.
RThe driver's door is closed or the seat belt on
th e driver's side is fastened.
RThe engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function.
RThe electric parking brake is released.
RAc tive Dis tance Assist DISTRONIC is not acti‐
va ted.
RThe transmission is in position 005B,005Eor005C.
Ac tivating the HOLD function
00BBDep ress the brake pedal and af ter a short
time depress fur ther until the00D9 display
appears in the multifunction displa y.
00BBRelease the brake pedal.
Deactivating the HOLD function
00BBDepress the accelerator pedal topull away.
or
00BBDepress the brake pedal until the00D9 dis‐
play disappears from the multifunction dis‐
pla y. The HOLD function is deactivated in
thefo llow‐
ing situations:
RWhen Active Dis tance Assist DISTRONIC is
acti vated.
RThe transmission is switched toposition 005D.
RWhentheve hicle is secured with the electric
parking brake.
In thefo llowing situations, theve hicle is held by
th e transmission position 005Dorby the electric
parking brake:
RWhen the seat belt is unfas tened and the
driver's door is opened.
RWhen the engine is switched off.
RWhen there is a malfunction in the sy stem or
if th e po wer supp lyis insuf ficient.
AIR BODY CONT ROL
AIR BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt. The all-round le vel control sy stem ensures
th e best possible suspension and const ant
Driving and parking17
1

You can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
RThe length of the journey since the last
break.
RThe attention le vel de term ined byATTENTION
ASSIS T.
If AT TENTION ASSIST is unable tocalculate the
attention le vel and cannot issue a warning, the
6\VWHP 6XVSHQGHG messageappears.
If a warning is given in the Instrument Displa y,
th e multimedia sy stem of fers to sear chfor a rest
area. You can select a rest area and start naviga‐
tion tothis rest area. This function can be activa‐
te d and deactivated in the multimedia sy stem.
If AT TENTION ASSIST is deactivated, the00D7
symbol appears in the assis tance graphic in the
Instrument Display when the engine is running.
AT TENTION ASSIST is activated automatically
when the engine is re-sta rted. The last selected
sensitivity le velre mains stored. Sy
stem limitations
AT TENTION ASSIST is active in the37 mph
(60 km/h) to124mp h (200 km/h) speed range.
The functionality of ATTENTION ASSIST is
re stricted, and warnings may be dela yed or not
occur at all in thefo llowing situations:RIf yo u ha vebeen driving for less than 30
minutes.
RIf th ero ad condition is poor (une venro ad
sur face or po tholes).
RIfth ere is a strong side wind.
RIfyo u adopt a sporty drivingst yle (high cor‐
nering speeds or high rates of acceleration).
RIfth eSt eering Assist function of Dis tance
Assist DISTRONIC is acti ve.
RIfth e time has been set incor rectl y.
RIn active driving situations, if youch ange
lanes and vary your speed frequentl y.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
RIf yo u switch offthe engine.
RIfyo u unfas tenyo ur seat belt and open the
driver's door (e.g. change drivers or take a
break).
Setting ATTENTION ASSIST
Multimedia sy stem:
00869HKLFOH00CFk $VVLVWDQFH00CF$77(1
7,21 $66,67
Setting options
00BBSelect 6WDQGDUG, 6HQVLWLYHor2II.
Suggesting a rest area
00BBSelect 6XJJHVW 5HVW $UHD .
00BBActivate 0073or deacti vate the function 0053.
If AT TENTION ASSIST de tects fatigue or
increasing la ckof attention, it suggests a
re st area in the vicinit y.
00BBSelect a sugges tedre st area.
Yo u are guided tothe selected rest area.
19 0
Driving and pa rking

Notes on cleaning and car eA voiding vehicle damage
Re ar view camera
and 360° Camera
ROpen the camera co ver with the multimedia sys‐
te m(→page 183) .
RUse clear water and a soft clo thtoclean the camera lens. Do not use a high-pressure cleaner.
Ta ilpipes
Clean with cleaning agents recommended byMercedes-Benz,
particular lyin the winter and af terwa shing theve hicle. Do not use acidic cleaning agents.
Note
s on care of the interior
0071
WARNING Risk of injury from plastic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause surf aces inthe cockpit to
become porous.
When the airbags are deplo yed, plastic parts
may break away.
00BBDo not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit.
0071 WARNING Risk of injury or death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident.
00BBNe ver bleach or dye seat belts.
Maintenance and care 329

Observethefo llowing information:
Cleaning and car eA voiding vehicle damage
Seat belts Clean with lukewarmand soapy water.
RDo not use chemical cleaning agents.
RDo not dry seat belts byheating them toove r17 6 °F
(80 °C) or exposing them todirect sunlight.
Display Cleanthe sur face carefully wi tha micro fiber clo thand
TFT/LCD display care product.
RSwit choff the display and let it cool down.
RDo not use any other cleaning products.
Plastic trim
RClean with a damp microfiber clo th.
RFo r heavy soiling: use care product recommended by
Mercedes-Benz.
RDo not attach sticke rs,fi lms or similar.
RDo not allow cosmetics, insect repellent or sun cream to
come in contact wi th the plastic trim.
Re alwo od/t rim ele‐
ments
RClean wi tha micro fiber clo th.
RBla ckpiano-lac quer look: clean with a damp clo thand
soap solution.
RFo r heavy soiling: use care product recommended by
Mercedes-Benz. Do not use solvent-based cleaning agents, polishes or
waxes.
Ro of lining
Clean with a brush or dry shampoo.
Carpet Use carpet andtextile cleaning agents recommended by
Mercedes-Benz.
330 Maintenance and care

Preceding letter1:RWithout: passenger vehicle tires according to
European manufactu ring standards.
R"P": passenger vehicle tires according toUS
manufacturing standards.
R"LT": light truck tires according toUS manu‐
fa cturing standards.
R"T": compact emer gency spa rewheels with
high tire pressure that are only designe dfo r
te mp orary use in an emer gency.
Aspect ratio 3
:
Ra tio between tire height and tire width in per‐
cent (ti reheight divided bytire width).
Tire code 4
(tire type):R"R" radial tire
R"D": bias ply tire
R"B": bias belted tires
R"ZR": radial tire with a maximum speed abo ve
14 9mp h (240 km/h) (optional) Rim diame
ter5
:
The diam eter of the bead seat (not the diame ter
of therim flange). The rim diame ter is specified
in inches (in).
Load-bearing index 6
:
Numerical code that specifies the maximum
load-bearing capacity of a tire (e.g. "91" cor re‐
sponds to1356 lbs (6 15kg)).
The load-bearing capacity of the tire must be at
least half the permissible axle load of your vehi‐
cle. Do not overload the tires byexc eeding the
specified load limit.
See also:
RMaximum permissible load on theTire and
Loading Info rmation placard (→page 360)
RMaximum tire load (→page 367)
RLoad ind ex
Speed rating 7
:
Specifies the appr oved maximum speed of the
tire. 00CE
An electronic speed limite r prevents your
ve hicle from exceeding a speed of 130mp h
(2 10 km/h).
Make surethat your tires ha vetherequ ired
speed rating. You can obtain information on the
re qu ired speed rating from an au thorized
Mercedes-Benz Center.
Summer tires
Inde xS peedrating
Qu pto 100mp h (160 km/h)
Ru pto 106mp h (170 km/h)
Su pto 112mp h(1 80 km/h)
Tu pto 118mp h (190 km/h)
Hu pto 130mp h(210 km/h)
Vu pto 149mp h(2 40 km/h)
Wu pto 168mp h (270 km/h)
Yu pto 186mp h(3 00 km/h)
Wheels and tires 369