belt MERCEDES-BENZ E-CLASS CABRIOLET 2020 Service Manual

R
get out and be stru ck byoncoming traf‐
fi c.
R ope rate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of reach of
ch ildren. This also applies
tothe Digital Vehicle Key
st icke r.
The electric parking brake is applied if the trans‐
mission is in position jand one of thefo llow‐
ing conditions is fulfilled:
R The engine is switched off. R
The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake.
In thefo llowing situations, the electric parking
brake is also applied:
R Active Dis tance Assi stDISTRONIC is bringing
th eve hicle toast andstill.
R The HOLD function is keeping theve hicle sta‐
tionar y.
R Active Parking Assist is keeping theve hicle
st ationar y.
This is the case if one of thefo llowing conditions
is also fulfilled:
R The engine is switched off.
R The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
R There is a sy stem malfunction.
R The po wer supply is insuf ficient.
R The vehicle is stationary for a lengt hyperiod. When
the electric parking brake is applied, the
re d! indicator lamp lights up in the instru‐
ment 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 llowing conditions are fulfilled:
R The driver's door is closed.
R The engine is running.
R The transmission is in position hork and
yo u depress the accelera tor pedal or you
shift from transmission position jtoh or
k when on le velground withthe driver's
door closed.
R Ifth e transmission is in position k,the boot
lid must be closed.
R The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat. 17 8
Driving and pa rking

If
th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, one of the
fo llowing conditions must be fulfilled:
R You shift from transmission position j.
R You ha veprev iously driven at speeds greater
th an 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the instrument clus‐
te r goes out. Applying/releasing
the electric pa rking
brake manually
Applying #
Push handle 1.
The red! indicator lamp lights up in the
instrument clus ter. %
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chon the ignition. #
Pull handle 1.
The red! indicator lamp in the instru‐
ment clus ter goes out.
Emer gency braking #
Press and hold handle 1.
As long as theve hicle is driving, theRelease
parking brake message is displa yed and the
re d! indicator lamp flashes.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red! indicator lamp lights
up in the instrument clus ter. Note
s on parking up theve hicle If
yo u lea vetheve hicle par ked up for longer than
six weeks, it may suf fer dama gethro ugh disuse. Driving and parking
17 9

R
The incline must not be greater than 30%.
Ac tivating/deactivating the HOLD function &
WARNING Risk of an accident due tothe
HOLD function being active when you
lea vetheve hicle
If th eve hicle is only braked with the HOLD
function it could, in thefo llowing situations,
ro llaw ay:
R Ifth ere is a malfunction in the sy stem or
in the po wer supp ly.
R Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or brake
pedal, e.g. byave hicle occupant. #
Alw ays secure theve hicle against roll‐
ing away before you lea veit. Re
quirements:
R The vehicle is stationar y.
R The driver's door is closed or the seat belt on
th e driver's side is fastened. R
The engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function.
R The electric parking brake is released.
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R The transmission is in position h,kori.
Ac tivating the HOLD function #
Dep ress the brake pedal, and af ter a short
time quickly depress fur ther until theë
display appears in the multifunction displa y. #
Release the brake pedal.
Deactivating the HOLD function #
Depress the accelerator pedal topull away.
or #
Depress the brake pedal until theë dis‐
play disappears from the multifunction dis‐
pla y.
The HOLD function is deactivated in thefo llow‐
ing situations:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d. R
The transmission is shif tedto position j.
R The vehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
transmission position jand/or bythe electric
parking brake:
R The seat belt is unfas tened and the driver's
door is opened.
R The vehicle is switched off.
R There is a malfunction in the sy stem or the
po we r supp lyis insuf ficient. DY
NA MIC BODY CONT ROL function DY
NA MIC BODY CONTROL continuously adjusts
th ech aracteristics of the suspension dampers to
th e cur rent operating and driving conditions.
The da mping is tuned individually for each wheel
and is af fected bythefo llowing factors:
R The road sur face conditions
R Vehicle load
R The drive program selected Driving and parking
205

R
Ifth ero ad condition is poor (une venro ad
sur face or po tholes).
R Ifth ere is a strong side wind.
R Ifyo u adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
R Ifth eSt eering Assist function of Active Dis‐
ta nce Assi stDISTRONIC is acti ve.
R Ifth e time has been set incor rectly.
R Ifyo uch ange lanes and vary your speed fre‐
qu ently In active driving situations.
The ATTENTION ASSIST tiredness or alertness
assessment is dele ted and restar ted when con‐
tinuing the journey in thefo llowing situations:
R Ifyo u swit choff the engine.
R Ifyo u unfas tenyo ur seat belt and open the
driver's door (e.g. changing drivers or taking
a break). Setting
ATTENTION ASSI ST
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Attention Assist
Setting options #
Select Standard, SensitiveorOff.
Suggesting a rest area #
Select Suggest rest area . #
Activate or deacti vate the function.
If AT TENTION ASSIST de tects fatigue or
increasing la ckof attention, it suggests a
re st area in the vicinit y. #
Select the sugges tedre st area.
Yo u are guided tothe selected rest area. Tr
af fic Sign Assist Fu
nction of Traf fic Sign Assist
Tr af fic Sign Assi stdetects traf fic signs wi th the
multifunction camera (/ page181). It assi sts
yo uby displaying de tected speed limits and
ove rtaking restrictions in the instrument clus ter. Obser
vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 180).
Since Traf fic Sign Assi stalso uses the data
st ored in the navigation sy stem, it can update
th e display in thefo llowing situations without
de tecting traf fic signs.
If th e sy stem de tects that you are driving on to a
section of road in the wrong direction of tr avel, it
triggers a warning.
The camera also de tects traf fic signs wi th a
re striction indicated byan additional sign (e.g.
when wet). These are only displa yed if a restric‐
tion applies or if the sy stem cann otclearly de ter‐
mine whe ther there striction applies.
Wa rning when the maximum permissible
speed is exceeded
The sy stem can warnyou if you unin tentionally
exc eed the maximum permissible speed. Todo
th is, you can specify in the multimedia sy stem
by how much the maximum permissible speed
can be exceeded before a warning is issued. Yo u
can specify whe ther thewa rning is tobe just a
visual warning or an acoustic one as well. 226
Driving and parking

Yo
u can find more information on there gional
av ailability of eCall at: https://www.mercedes-
benz-mobile.com/ext ra/ecall/
Messages on the displ ay
The following messages appear in the display:
R SOS NOT READY :th e ignition is not on or
th ere is a malfunction with the emer gency
call sy stem . This does not necessarily indi‐
cate comple tefailure of the emer gency call
sy stem. Emer gency calls call still be trans‐
mit ted.
The display only refers to theve hicle and
does not take account of theav ailability of
mobile phone networ ksand the Mercedes-
Benz emer gency call centre.
The functional readiness of the emer gency
call sy stem on theve hicle can be seen when
th eSOS NOT READY display disappears once
th e ignition is switched on.
R G: The icon appears in the display during
an active emer gency call.
% Ifth ere is a malfunction in the Mercedes-
Benz emer gency call sy stem (e.g. a fault with th
e speaker, microphone, airbag, SOS but‐
to n), a cor responding message appears in
th e multifunction display of the instrument
clus ter. Tr
iggering an automatic Mercedes‑Benz
emer gency call Re
quirements:
R The ignition is switched on.
R The star ter battery is suf ficiently charge d.
The Mercedes‑Benz emer gency call sy stem trig‐
ge rs an emer gency call au tomatical lyin thefo l‐
lowing cases:
R After activation of there stra int sy stems such
as airbags or seat belt tensioners af ter an
accident
The emergency call has been made:
R Avo ice connection is made tothe
Mercedes‑Benz emer gency call centre.
R A messa gewith accident data is transmitted
to the Mercedes‑Benz emer gency call centre. The Mercedes‑Benz emergency call centre
can transmit
theve hicle position data toone
of the public emer gency services call cen‐
tres.
R Under cer tain circums tances da tais also
transmitte d inthevo ice channel tothe
Mercedes‑Benz emer gency call centre.
This allo wsmeasu resfo rre scue, reco very or
to wing toa Mercedes‑Benz Service Cent reto
be initiated quickl y.
The SOS button in theove rhead control panel
fl ashes until the emer gency call is finished.
It is not possible toimmediately end an auto‐
matic emer gency call.
If th e Mercedes‑Benz emer gency call sy stem
cann otconnect tothe Mercedes‑Benz emer‐
ge ncy call centre, the emer gency call is au tomat‐
ically sent tothe public emer gency services call
centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe displa y. MBUX multimedia sy
stem 277

Re
versing camera and 360° Camera
R Swit chon the po wer supply or the ignition to
open there ar camera co ver.
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner.
Ta ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especial lyin the winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents.
Tr ailer hitch
R Remo vetraces of rust on the ball, e.g. with a
wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, oil or grease the ball head
lightl y.
R Obser vethe no tes on care in the trailer hitch
manufacturer's operating instructions.
R Do not clean the ball neck with a high-pres‐
sure cleaner or solvent. Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
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 su rfaces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of inju ryor 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. #
Never blea chor dye seat belts. To
avo id damage totheve hicle, obser vethe
no tes on cleaning and care. Seat belts
R Clean with luk ewarmand soapy water.
R Do not use chemical cleaning agents.
R Do not dry seat belts byheating them toover
80°C or exposing them todirect sunlight.
Display
R Switch off the display and let it cool down.
R Clean the sur face carefully wi tha mic rofibre
clo thand a suitable display care product
(TF T-LC D).
R Do not use any other agents.
Plastic trim R Clean with a damp microfibre clo th.
R For heavy soiling: use a cleaner recommen‐
ded for Mercedes-Benz.
R Do not attach sticke rs,fi lms or similar mate‐
ri als.
R Do not allow cosmetics, insect repellent or
sun cream tocome in contact wi th the plas‐
tic trim.
Re alwo od and trim elements
R Clean with a mic rofibre clo th. 302
Maintenance and care

Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Indicator and
warning lamps:
6 Re
stra int sy stem (/ page416)
ü Seat belt (/
page 416)
ï Trailer hit ch (/page 417)
Ù Powe rst eering (/ page417)
ÿ Coolantte mp erature (/ page418)
; Engine diagnostics (/
page 418)
% Preglow
# Electrical
fault (/ page418)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page418)
! Electric pa
rking brake (red)
(/ page 421)
! Electric parking brake (yellow)
(/
page 421)
J Brakes (yellow) (/
page 421)
J Brakes (red) (/
page 421)
L Distance warning (/ page 423)
ä AIRBODY CONTROL (/ page 423)
ä DYNA MIC BODY CONTROL
(/ page 423) !
ABS (/
page 424)
÷ ESP®
(/ page 424)
å ESP®
OFF (/ page 424)
h Ty
re pressure monitoring sy stem
(/ page 427)
T St
anding lights (/ page122)
L Low beam (
/page 122)
K High beam (/
page124)
#! Tu
rn signal light (/ page124)
R Re
ar fog light (/ page122) Displ
aymessa ges and warning/indicator lamps 415

Occupant saf
ety Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
*The restra int sy stem is malfunctioning (/ page 36). &
WARNING Risk of inju rydue tomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Notethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.
ü
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
*T he driver or front passenger has not fastened his/her seat belt while theve hicle is in motion. #
Fasten your seat belt (/ page 40).
*T here are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. 416
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ü Seat belt warning lamp
lights up The
red seat belt warning lamp lights up once the engine has star ted.
In addition, an intermittent warning tone may sound.
*T he red seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page 40).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer hitch warning lamp is lit.
*The trailer hitch is not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 417

At
tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 3
Au tomatic engine start (ECO start/
sto p function) .......................................... 15 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 15 8
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff ........................................... 45, 47
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 45
PA SSENGER AIR BAG indicator lamp .... .47
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .138 Au
tomatic seat adjustment
Setting ................................................ .102
Au tomatic transmission
DIRECT SELECT le ver ........................... 16 4
Drive program display .......................... 16 3
Drive programs .................................... 16 2
DY NA MIC SELECT switch .................... 16 2
Engaging drive position ....................... 16 6
Engaging neutral .................................. 16 5
Engaging pa rkposition ........................ 16 6
Engaging reve rsege ar ........................ .165
Kickdown ............................................. 167
Manual gear changing ........................ .166
St eering wheel gearshift paddles ........ .166
Tr ansmission position display .............. 16 4
Tr ansmission positions ........................ 16 4
Axle load Perm issible .......................................... 343
Tr ailer operation .................................. 357 B
Bag hook .................................................. .117 Ball ne
ck
Extending/r etra cting (MBUX multi‐
media sy stem) .....................................2 36
Fo lding out/in .................................... .234
BA S (Brake Assist Sy stem) .................... .182
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 14 6
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 317
Charging .............................................. 316
Charging (Remo teOnline) .................... 15 3
No tes ................................................... 312
No tes (s tarting assis tance and
ch arging) .............................................. 314
Re placing .............................................3 17
St arting assis tance .............................. 316
Belt see Seat belt
Bic ycle rack
Load capacity ...................................... 357
Tr ailer operation .................................. 239 432
Index