2021 MERCEDES-BENZ E-CLASS CABRIOLET warning

again and
check if Parking Assist PARKTRONIC is
wo rking at a di.erent location.
If th eé symbol appears in the inst rument
clus ter and a warning tone sounds, it may be due
to one of thefo llowing causes:
R The sensor
The sensor s ar
s are dir
e dir ty
ty:
:clean the sensors and
obser vethe no tes on care of vehicle parts
(/ page 311).
R P
Par
ar king Assis
king Assis t P
t PARK
ARK TR
TRONIC has been deacti-
ONIC has been deacti-
v
v at
at ed due t
ed due t o a malfunction:
o a malfunction: restart theve hi-
cle. If the problem persists, consult a quali/ed
specialist workshop.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating P
ating Par
arking Assist
king Assist
P
P ARK
ARK TR
TRONIC
ONIC
* NO
NOTE
TERisk of an accident from objects at
close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When parking or manoeuvring theve hi-
cle, pay particular attention toany
objects which are abo veor below the
senso rs, e.g. 0o werpots or dr awbars. The
vehicle or other objects could other-
wise be damaged. #
V
Vehicles wit
ehicles wit hout AIR BOD
hout AIR BOD Y C
Y CONTR
ONTR OL:
OL:press
th eé button in the centre console.
% V
Vehicles wit
ehicles wit h AIR BOD
h AIR BODY C
Y CONTR
ONTR OL:
OL:you can
activate or deactivate Parking Assist
PA RKTRONIC in the multimedia system
(/ page 230).
If th e indicator lamp in theé button is not lit,
Pa rking Assist PARKTRONIC is active. If the indi-
cator lamp is lit or theé symbol appears in
th e Instrument Displa y,Pa rking Assist
PA RKTRONIC is not active.
% Parking Assist PARKTRONIC is automatically
activated when theve hicle is star ted.
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating P
ating Par
arking Assist
king Assist
P
P ARK
ARK TR
TRONIC using t
ONIC using t he multimedia syst
he multimedia syst em
em
* NO
NOTE
TERisk of an accident from objects at
close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When parking or manoeuvring theve hi-
cle, pay particular attention toany
objects which are abo veor below the
senso rs, e.g. 0o werpots or dr awbars.
The vehicle or other objects could other-
wise be damaged. R
R
eq
eq uir
uir ements:
ements:
R The camera menu is open.
R Or: Active Parking Assist is active.
R Or: thePA RKTRONIC pop-up wind owappears. #
Tap= onthe media displa y.
If th e indicator lamp is lit, Parking Assist
PA RKTRONIC is active. If the indicator lamp is not
lit or theé symbol appears in the inst rument
cluster, Parking Assist PARKTRONIC is not active.
% Parking Assist PARKTRONIC is automatically
activated when theve hicle is star ted.
Alternativel y,Pa rking Assist PARKTRONIC can be
activated or deactivated in thequ ick access
menu. 230
230
Driving and parking

Se
Se
tting t
tting t he w
he war
ar ning t
ning t ones of P
ones of P ar
arking Assist
king Assist
P
P ARK
ARK TR
TRONIC
ONIC
Multimedia system:
4 © 5
Settings 5
Assistance
5 Camera & parking
A
A djus
djusting t ting t he v
he volume of t
olume of t he w
he war
arning t
ning t ones
ones #
Select Warning tone volume. #
Set a value.
A
A djus
djusting t ting t he pitc
he pitc h of t
h of the w
he war
arning t
ning t ones
ones #
Select Warning tone pitch. #
Set a value.
Specifying t Specifying t he st he star
arting point f
ting point f or t
or the w
he w ar
arning t
ning t ones
ones
Yo u can specify whe ther thePa rking Assist
PA RKTRONIC warning tones should commence
when theve hicle is fu rther awa y from an obs tacle. #
Select Warn early all-round .#
Swit chthe function on or o..
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating audio f
ating audio fadeout
adeout
Yo u can specify whe ther thevo lume of a media
source in the multimedia system is tobe reduced when
Parking Assist PARKTRONIC sounds a warn-
ing tone. #
Select Audio fadeout during warning tones . #
Switch the function on or o.. A
A
ctiv
ctiv e P
e Par
ar king Assist
king Assist F
F
unction of A
unction of A ctiv
ctive P
e Par
arking Assist
king Assist
Ac tive Parking Assist is an electronic parking
assistance system, which uses ultrasound with
th e assistance of there ve rsing camera and 360°
Camera. When you are driving forw ards up to
appr oximately 35 km/h, the system automatically
measures parking spaces on bo thsides of the
ve hicle.
Ac tive Parking Assist o.ers thefo llowing func-
tions:
Ve hicles with reve rsing camera
R Parking in parking spaces parallel tothero ad
Ve hicles with 360° Camera
R Parking in parking spaces parallel tothero ad
R Parking in parking spaces perpendicular tothe
ro ad (optionally either forw ards or reve rse) R
Parking in parking spaces that can only be
de tected as such due tomarkings (for exam-
ple at thero adside)
R Exiting parking spaces if you ha vepar ked
using Active Parking Assist
As soon as all requ irements are met for sear ching
fo r parking spaces, theÇ display appears in
th e Instrument Displa y.
When Active Parking Assist has de tected parking
spaces, theÈ display appears in the Instru-
ment Displa y.The ar rows show on which side of
th ero ad de tected parking spaces are located.
They are then shown in the media displa y.
V
V ehicles wit ehicles wit hrev
h rev er
ersing camer
sing camer a:
a: the parking space
can be selected as desired. The vehicle is par ked
in reve rse.
V
V ehicles wit
ehicles wit h 360° Camer
h 360° Camer a:
a:the parking space
can be selected as desired. Depending on the
location of the parking space, the parking direc-
tion (rear wards or forw ards) can also be selected
as desired. Driving and parking
231
231

R
The camera ima geis shown in the media dis-
play (/ page 227).
Yo u can activate and deactivate the manoeuvring
brake function in theManoeuvring assistance
menu (/ page 237).
If th e manoeuvring brake function is triggered, the
fo llowing symbol appears in red in the selected
view in theCamera & parking menu:%
Ifth e manoeuvring brake function is not avail-
able, the same symbol appears in grey.
The manoeuvring brake function is only an aid. It
is not a substitute foryo ur attention tothe sur-
ro undings. The responsibility for safe manoeuvring
and parking remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuv ring range. &
W WARNI NG
ARNI NGRisk of accident caused bylimi-
te d de tection bythe manoeuvring brake
function
The manoeuvring brake function cannot
alw ays clear lyde tect people. Other obs tacles
are not de tected bythe function.
In these cases, the function may brake unnec-
essarily or not brake at all. #
Always pay careful attention tothe tra1c
situation; do not relyonthe manoeuvring
brake function alone. #
Beready tobrake. Syst Syst
em limits
em limits
Obser vethe system limits of thefo llowing func-
tions:
R Active Parking Assist (/ page 231)
R 360° Camera (/ page 223)
R Reversing camera (/ page 220)
The manoeuvring brake function is not available in
th efo llowing situations:
R on inclines R
if transport equipment, forex ample a trailer or
bicycle rack , is attached tothe trailer hitch
and the electrical connection has been cor-
re ctly es tablished
A
A ctiv
ctiv ating/deactiv
ating/deactiv ating manoeuvr
ating manoeuvr ing assist
ing assistance
ance
Multimedia system:
4 © 5
Settings 5
Assistance
5 Camera & parking #
Activate/deactivate Manoeuvring assistance. T
T
r
railer Manoeuvr
ailer Manoeuvr ing Assist
ing Assist F
F
unction of Tr
unction of Trailer Manoeuvr
ailer Manoeuvr ing Assist
ing Assist &
W
WARNING
ARNING Risk of accident due tounsuita-
ble trailers
Tr ailers with a steered axle or a /Th wheel
cann otbe used with Trailer Manoeuv ring
Assist.
Due tothis, the trailer cannot be manoeuvred
in the desired direction and you can cause a
collision or the trailer can overturn. Driving and parking
237 237

Ensure
thefo llowing before starting a journe y:
R The tyre pressure on there ar axle of theto w-
ing vehicle is set for a maximum load
R The lighting of the connected trailer is opera-
tional
R V
V ehicles wit
ehicles wit hout LED headlam
hout LED headlam ps or MUL
ps or MULTI-
TI-
BEAM LED headlam
BEAM LED headlam ps:
ps:the headlamps ha ve
been set cor rectly
In theev ent of increased rear axle load, the car/
trailer combination must not exceed a maximum
speed of 100 km/h forre asons conce rning the
operating permit. This also applies in countries in
which the permissible maximum speed for car/
trailer combinations is abo ve100 km/h.
% When you are reve rsing with a trailer, remem-
ber touse theTrailer Manoeuvering Assist
function (/ page 237). F
F
olding t
olding t he ball nec
he ball nec k out and in
k out and in &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Always engage the ball neck as descri-
bed. &
W
WARNING
ARNING Risk of injury from ball neck
swinging outwards
The ball neck may swing outwards when
unlocking or when it has not been proper ly
engaged.
There is a risk of injury within the ball neck's
ra nge of mo vement! #
Unlock the ball neck only when its range
of mo vement is unobstructed. #
Always be sure the ball neck is engaged
when folding in wards. *
N NOOTE
TE Increased risk of damage toprop-
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball
neck or, in the case of a fully electric
trailer hitch, retract the ball nec k. *
N
NO
OTE
TE Damage totheve hicle due toincor-
re ct use of the trailer hitch When a trailer hitch is used
toreco ver a vehi-
cle, theve hicle may be damaged in the proc-
ess. #
Use the trailer hitch only for pulling a
trailer or attaching appr oved car rier sys-
te ms (e.g. a bicycle rack ). R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear.
R The trailer cables or ada pter plugs ha vebeen
re mo ved. 240
240
Driving and parking

F
F
olding t
olding t he ball nec
he ball nec k out
k out #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold out from under there ar
bumper.
Indicator lamp 1will 0ash. #
Pull the ball neck in the direction of the ar row
until it engages audibly in a vertical position.
Indicator lamp 1onthe ball neck release
switch will go out.
If th e ball neck is not securely loc ked in place,
th eTrailer coupling Check lockmessage will
appear on the inst rument displa y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. Make sure
that the ball on the ball neck is clean.
Check that it is either greased or dry (g rease-
free), depending on the inst ructions forth e trailer.
F
F olding t olding t he ball nec
he ball nec k in
k in #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will 0ash. #
Push the ball neck in the direction of the
ar ro w until it engages audibly behind the
bumper.
Indicator lamp 1will go out and the message
on the inst rument display will disappear.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 429)
R Display message s (/page 371) Driving and parking
241 241

Coupling up/uncoupling a tr
Coupling up/uncoupling a tr
ailer
ailer&
W
WARNING
ARNING Risk of injury due toach ange
in vehicle le vel
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol:
ol:theve hicle le vel
may be changed unintentionall y,e.g. by ot her
people. If you couple or uncouple the trailer
during this time, you may become trapped. In
addition, other people could become trapped
if parts of their body are between theve hicle
body and the tyres or underneath theve hicle.
Obser vethefo llowing when coupling or
uncoupling: #
Do not open or close any doors or the
boot lid. #
Do not initiate the le vel control and do
not operate theDY NAMIC SELECT
switch. #
Do not lo ckor unlock theve hicle. R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position. Tr
ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Trailer Manoeuvering Assist
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist
R Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera R
AIR BODY CONTROL
Coupling up a tr
Coupling up a tr ailer
ailer
* NO
NOTE
TEDamage tothe star ter battery due
to full dis charge Charging
the trailer battery using the po wer
supply of the trailer can damage the star ter
batter y. #
Do not use theve hicle's po wer supply to
ch arge the trailer batter y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. 242
242
Driving and parking

#
Open the soc ket cap. #
Inse rtthe plug with lug 1ingroo ve 3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far as
it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. Under
thefo llowing conditions, a message may
appear on the inst rument display even if the
trailer has been connec ted cor rectl y:
R LEDs ha vebeen ins talled in the trailer lighting
system.
R The cur rent has fallen below the trailer lighting
system's minimum cur rent (50 mA).
% Accessories can be connected tothe perma-
nent po wer supply up to180 W and tothe
po we r supply that is switched on via the igni-
tion loc k.
U
U ncoupling a tr
ncoupling a tr ailer
ailer &
W
WARNI NG
ARNI NGRisk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer with an engaged
inertia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an engaged
ove rrun brake. *
N NOOTE
TE Damage when uncoupling in a state
of ove rrun Uncoupling in a state of
overrun can damage
th eve hicle. #
Do not uncouple trailers with an engaged
ove rrun brake. &
W
WARNING
ARNING Risk of becoming trapped when
disconnecting the trailer cable
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:Thevehicle
may lo wer when the trailer cable is disconnec-
te d.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is underneath the
ve hicle or in the immediate vicinity of the
wheel ar ches when you disconnect the
trailer cable. #
Secure the trailer against rolling away. Driving and parking
243
243

#
Disconnect the electrical connection between
th eve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver cap on the ball head. Bicy
Bicy
cle r
cle r ac
ack function
k function &
W
WARNING
ARNING Risk of an accident if the bicy-
cle rack is used incor rectly
The bicycle rack may become de tach ed from
th eve hicle in thefo llowing cases:
R the permissible load capacity of the trailer
hitch is exceeded.
R the bicycle rack is used incor rectl y.
R the bicycle rack is secured tothe ball neck
beneath the ball head.
Obser vethefo llowing foryo ur ow n sa fety and
th at of other road users:
R always adhere tothe permissible load
capacity of the trailer hitch. R
always obser vethe permissible rear axle
load of theto wing vehicle.
R use the bicycle rack only totransport bicy-
cles.
R always proper lysecure the bicycle rack by
attaching it tothe ball head.
R use only bicycle rack s appr ovedby
Mercedes-Benz.
R always obser vethe bicycle rack operating
instructions. *
N NOOTE TE Damage to, or crac kson, the trailer
hitch due tounsuitable bicycle rack s or
bicycle rack s being used inco rrectly #
use only bicycle rack s appr ovedby
Mercedes-Benz. *
N
NOOTE
TE Increased risk of damage toprop-
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball neck or, in
the case of a fully electric
trailer hitch, retract the ball nec k. Depending on
the bicycle rack 's design, up to
th re e bicycles can be transpor ted on the bicycle
ra ck.
When mounted byattaching toball head 1,the
maximum load capacity is 75 kg. 244
244
Driving and parking