air suspension MERCEDES-BENZ E-CLASS CABRIOLET 2018 Owner's Manual

eral acceleration, display ofthefast ened seat
belts)
Rmalfunctions or defects in impor tant sy stem
components (e.g. lights, brakes)
Rinformation on vehicle damage events
Rsystem reactions in special driving situations
(e.g. air bag deployment, inter vention of sta‐
bility control sy stems)
Rambient conditions (e.g. temp erature, rain
sensor)
In addition toprov iding the actual control unit
function, this data assists the manufacturer in
de tecting and rectifying malfunctions and opti‐
mizing vehicle functions. The majority of this
data is temp orary and is only processed in the
ve hicle itself. Only a small portion of the data is
st ored in theeve nt or malfunction memor y.
When your vehicle is serviced, tech nical da ta
from theve hicle can be read out byservice net‐
wo rkemplo yees or third parties. Services
include repair services, maintenance processes,
wa rranty events and quality assurance meas‐
ures, forex ample. The read out is per form ed via
th e legally prescribed port for OBD ("on-board diagnostics") in
theve hicle. The respective
service network locations or third parties col‐
lect, process and use the data. They document
te ch nical statuses of theve hicle, assist in find‐
ing malfunctions and impr oving quality and are
transmitted tothe manufacturer, if necessar y.
Fu rther more,
the manufact
urer is subjectto
product liability. Forth is, the manufacturer
requ irestech nical da tafrom vehicles.
Malfunction memories in theve hicle can be
re set bya service outlet as part of repair or
maintenance work.
They can enter data into theve hicle's con veni‐
ence and inf otainment functions themselves as
part of the selected equipment.
This includes, forex ample:
Rmultimedia data such as music, films or pho‐
to sfo r playba ckin an integrated multimedia
sy stem
Raddress book data for use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem
Rentered navigation destinations
Rdata about the use of Internet services This data can be
stored locally in theve hicle or
is located on a device which you ha veconnected
to theve hicle. If this data is stored in theve hi‐
cle, you can dele teit at any time. This data can
only be transmitte dto third parties upon your
re qu est with particular rega rd tothe scope of
use of online services according to your selected
settings.
Yo u can store or change con venience settings/
individualization in theve hicle at any time.
Depending on the equipment, this includes, for
ex ample:
Rseat and steering wheel position settings
Rsuspension and climate control settings
Rindividualization such as interior lighting
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can cont rolth em via
th e control elements integrated in your vehicle.
Images and audio from the smartphone can be
output via the multimedia sy stem. Cer tain infor‐
mation is simultaneously transmitte dto yo ur
smartphone.
General no tes 27

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

ground clearance,even wi tha laden vehicle.
When driving at speed, theve hicle is lo wered
automatically toimpr ovedriving saf etyand to
re duce fuel consum ption. The option of manually
adjusting theve hicle le vel is also available.
AIR BODY CONTROL comprises:
RAir suspension with variable spring rate
RAu tomatic le vel control sy stem
RSpeed-dependent lo wering toreduce fuel
consum ption
RManually selecta ble high-level setting for
grea ter ground cleara nce
RADS PLUS (Ada ptive Damping Sy stem with
const ant damping forc e adjustment)
RDY NA MIC SELECT switch and le vel button
Av ailable suspension settings
Drive prog ramC haracteristics
C
(Comfort)
RThe suspension tuning is comfor table.
RThe vehicle is set tothe normal le vel.
RWhen driving at speeds of abo ve77 mph (125 km/h) theve hicle is lo wered.
RWhen driving at speeds below 50 mph (80 km/h), theve hicle is raised again.
E
(Econo my)
RThe suspension tuning is comfor table.
RThe vehicle is set tothe low le vel.
RThe vehicle is not lo wered any fur ther if you are tr aveling at higher speeds.
17 2
Driving and pa rking

Driveprog ramC haracteristics
S
(Sport)
RThe suspension tuning is firm er.
RThe vehicle is set tothe low le vel.
RThe vehicle is not lo wered any fur ther if you are tra veling at higher speeds.
S+
(Sport Plus)
RThe suspension tuning is evenfirm er.
RThe vehicle is set tothe low le vel.
RThe vehicle is not lo wered any fur ther if you are tra veling at higher speeds.
Setting theve hicle le vel
0071
WARNING Risk of accident because
ve hicle le vel is too high
If yo udriv e at a higher vehicle le vel,th e driv‐
ing characteristics may be impaired due to
th e higher vehicle center of gr avity.
The vehicle can drift outwards, forex ample,
when steering or cornering.
00BBAlw aysch oose a vehicle le vel which is
suited tothe driving style and thero ad
sur face conditions.
0071
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, people could
become trapped if their limbs are between
th eve hicle body and the tires or underneath
th eve hicle.
00BBMake sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when you lo werth e
ve hicle.
0071
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AIR BODY CONT ROL or
le ve l control sy stem: When you unload lug‐
ga ge or lea vetheve hicle, theve hicle firs t
ri ses slightly and then returns tothe set le vel
shortly af terw ards.
Yo u or an yone else in the vicinity of the
wheel ar ches or the underbody could thus
become trapped.
The vehicle can also be lo wered af ter being
loc ked.
Driving and parking 17
3

Observethefo llowing when selecting, ins talling
and replacing tires:
ROnly use tires and wheels of the same type
(summer tires, winter tires, MOEx tended
tires) and the same make.
ROnly ins tall wheels of the same size on one
axle (left and right).
It is only permissible toins tall a dif fere nt
wheel size in theeve nt of a flat tire in order
to drive tothe specialist workshop.
ROnly ins tall tires of the cor rect size onto the
wheels.
RVe hicles with a tire pressure monitoring
sy stem: all mounte d wheels must be equip‐
ped with functioning sensors forth e tire
pressure monitoring sy stem.
RAt temp eratures below 45 °F (7 °C), use win‐
te r tires or all-season tires mar ked M+S for
all wheels.
Wi nter tires bearing the004D snowflake sym‐
bol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road condi‐
tions.
RFo r M+S tires, only use tires with the same
tread.
RObser vethe maximum permissible speed for
th e M+S tires ins talled.
If th is is below theve hicle's maximum speed,
th is must be indicated in an appropriate label
in the driver's field of vision.
RRu n in new tires at moderate speeds forth e
fi rs t 60 miles (100 km).
RRe place the tires af ter six years at the latest,
re ga rdless of wear.
RWhen replacing with tires that do not fea‐
ture run-flat characteristics: vehicles with
MOExtended tires are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit af terre placing with tires
th at do not feature run-flat characteristics,
e.g. winter tires.
Fo r more information on wheels and tires, con‐
ta ct a qualified specialist workshop.
Be sure toalso observ eth efo llowing fur ther
re lated subjects:
RNo tes on tire pressure (→page 354)
RTire and Loading Info rmation placard
(→page 360)
RTi re size designation, load-beari ng capacity,
speed rating and load ind ex(→page 368)
RTire pressure table (→page 355)
Note s onrotating wheels
0071
WARNING Risk of injury thro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tires ha vediffere nt dimensions
may se verely impair the driving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged.
00BBRo tate front and rear wheels only ifth e
wheels and tires are of the same dimen‐
sions.
Wheels and tires 37
5

Seat belts
Warning/indicator lamp
Possible causes/consequences and 0050Solutions
0076
Seat beltwarning lamp
lights up Af
terth e engine is star ted, there d seat belt warning lamp lights up for six seconds.
In addition, an acou stic wa rning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts.00BBFa sten your seat belt.
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
0076
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermitte ntwa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion.00BBFa sten your seat belt.
There are objects on the front passenger seat.
00BBRe mo vethe objects from the front passenger seat.
Driving sy stems
Wa rning/indicator lamp
Possible causes/consequences and 0050Solutions
00CC
Suspensionwarning lamp The
yellow AIR BODY CONTROL warning lamp is on.
AIR BODY CONTROL is faulty.00BBObser vethe messages on the multifunction displa y.
Displaymessage s andwarning/indicator lamps 453

Function ............................................... 167
Sy stem limitations .............................. .167
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 114
Switching on/off .................................. 115
Ad ditive s.................................................. 389
Engine oil ............................................ 389
Fu el ..................................................... 389
Ad ditive s (engine oil)
see Additives
Ad ditive s (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter
®sur round sound sy stem ... .313
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... .313
ADS PL USdamp ing sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 38
Ac tivation .............................................. 32
Fr ont air bag .......................................... 38
Head air bag .......................................... 38
Ins tallation locations ............................ .38
Knee air bag .......................................... 38
Overview ............................................... 38
Pr otection ............................................. .39
Re duced pr otection .............................. .40
Sid e i
mpact air bag ............................... 38
AIR BODY CONT ROL................................ .171
Setting ................................................. 173
Suspension .......................................... 171
Air conditioning sy stem
see Climate control
Air distribution ........................................ .124
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure Air suspension
see AIR BODY CONTROL
Air vents ................................................... 128
Ad justing (front) .................................. 128
Ad justing (rear passenger compart‐
ment) ................................................... 129
Ad justing the AIRSCARF vents ............. 130
Glo vebox ............................................ .129
Air-recirculation mode ............................127
AIR CAP
Ac tivating .............................................. 79
Deactivating .......................................... 79
Ai rflow ...................................................... 124
AIRS CARF
Ac tivating/deactivating ......................... 94
AIRS CARF vents
Setting ................................................ .130
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
Alternative route
see Route
462
Index

Start/S top button
St arting theve hicle ............................. 132
Switching off theve hicle ..................... 145
Switching on the po wer supply or
ignition ................................................. 131
St art/s top function
see ECO start/ stop function
St arting the engine
see Vehicle
St arting-o ffaid
see Hill start assist
St ation
Deleting ............................................... 306
Direct frequency entry ........................ 306
Moving ................................................ 306
Sear ching ............................................ 306
Setting ................................................ .306
St oring ................................................ 306
St ation presets
Editing ................................................. 306
ST EER CONT ROL
Fu nction/no tes ................................... 155 Ste
ering wheel ........................................ 200
Ad justing (electrically) ...........................9 6
Ad justing (manually) .............................. 95
Buttons ................................................ 200
St eering wheel heater ........................... .97
Using the memory function .................. .98
Ste ering wheel heater
Swit ching on/off .................................. .97
Ste ering wheel paddle shif ters .............. 141
St ow age areas
see Laden
see Stow
age c
ompartment
St ow age co mpartment ........................... 100
Armrest ............................................... 100
Cente r console ....................................1 00
Door .................................................... 100
Eyeglasses compa rtment .....................1 01
Glo vebox .............................................1 00
St ow age co mpartments
see Laden
see Stow age compartment
St ow age space under the trunk floor ....104
Sulfur content ......................................... 388 Sun visor
Operating ............................................ 123
Sur round View
see 360° Camera
Suspension Adjusting thech assis le vel (AIR
BO DY CONTROL) .................................1 73
Suspension see AIR BODY CONTROL
Switch-off delay time Exterior ................................................ 115
Interior ................................................. 116
Switching the sur round sound on/off
Burmes ter
®sur round sound sy stem ... .313
Synchronization function Activating/deactivating (control
panel) .................................................. 126
Ac tivating/deactivating (multimedia
sy stem) ................................................ 126
Sy stem self-te st
Au tomatic front passenger front air
bag shutoff ............................................ 43
488 Index