2021 MERCEDES-BENZ E-CLASS CABRIOLET warning lights

1
#! Turn signal lights →
127
2 ï Trailer hitch →
432
3 6 Restraint system →
431
4 å ESP®
OFF →
440
÷ ESP®
→
440
5 R Rear fog light →
126
6 K High beam →
127
L Low beam →
125
T Standing lights →
125
7 ÿ Coolant temp erature →
433
8 Coolant temp erature display →
248
9 ! Electric parking brake (yellow) →
437
A J Brakes (yellow) →
437
B L Distance warning →
439 C
# Electrical fault →
433
D Ù Electric po wer steering →
432
E ! ABS →
440
F h Tyre pressure monitoring system →
443
G % Diesel engine: preglow
H 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
433
I Fuel le vel →
248
J ! Electric parking brake (red) →
437
K J Brakes (red) →
437
L ü Seat belt →
431
M ; Engine diagnostics →
433
N ä Suspension →
439 At
a glance – Indicator and warning lamps
11
11

wa
rning lamp lights up. It goes out no later than a
few seconds aTer theve hicle is star ted. The com-
ponents of there straint system are then func-
tional. Malfunctioning r
Malfunctioning r
es
estrtraint syst
aint syst em
em A malfunction has occur
red in there straint sys-
te m if:
R the6 restraint system warning lamp does
not light up when theve hicle is switched on
R the6 restraint system warning lamp lights
up continuously or repeatedly during a journey &
W
W ARNING
ARNING Risk of inju rydue tomalfunc-
tions in there straint system
Co mp onents in there straint system ma y be
acti vated unintentionally or not deploy as
intended in an accident. #
Have there straint system checked and
re paired immediately at a quali/ed spe-
cialist workshop. F
F
unction of t
unction of t he r
he res
estr
traint syst
aint syst em in an accident
em in an accident How
there straint system works is de term ined by
th e se verity of the impact de tected and the type
of accident anticipated:
R Frontal impact
R Rear impact
R Side impact
R Rollover
The activation thre sholds forth e components of
th ere straint system are de term ined based on the
ev aluation of the sensor values measured at vari-
ous points in theve hicle. This process is pre-e mp-
tive in nature. The triggering/deployment of the
components of there straint system must take
place in good time at the start of the collision.
Fa ctors which can only be seen and measured
aTer a collision has occur red do not play a deci-
sive role in the deployment of an airbag. Nor do
th ey prov ide an indication of airbag deployment.
The vehicle may be deformed signi/cantly without
an airbag being depl oyed. This is the case if only
parts which are relatively easily deformed are
a.ec tedand thera te of vehicle deceleration is not high. Con
versely, an airbag may be depl oyed
ev en though theve hicle su.ers only minor defor-
mation. If very rigid vehicle parts such as longitu-
dinal membe rsare hit, this may result in su1-
ciently high le vels of vehicle deceleration.
Depending on the de tected deployment situation,
th e components of there straint system can be
acti vated or deplo yed independently of each
ot her:
R Seat belt tensioner: frontal impact, rear
impact, side impact, rollo ver
R Driver's airbag, front passenger airbag: frontal
impact
R Knee airbag: frontal impact
R Side airbag: side impact
R Head airbag: side impact, rollo ver,frontal
impact
The front passenger airbag can only be deplo yed
in an accident if thePA SSENGER AIR BAG OFF
indicator la mpis o.. If the front passenger seat is
occupied, make sure, bo thbefore and during the
journe y,that the status of the front passenger air-
bag is cor rect (/ page 50). 40
40
Occupant saf
ety

PRE-S
PRE-S
AFE
AFE®
®
syst
syst em
em F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
(anticipat
(anticipat or
ory occupant
y occupant
pr ot
pr otection)
ection) PRE-SAFE
®
is able todetect cer tain critical driv-
ing situations and implement pre-em ptive meas-
ures toprotect theve hicle occupants.
PRE-SAFE ®
can implement thefo llowing meas-
ures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Closing the side windo ws.
R V
V ehicles wit
ehicles wit h memor
h memory function:
y function: movingthe
front passenger seat toa more favo urable seat
position.
R V
V ehicles wit
ehicles wit h multicont
h multicont our seat
our seat:
:increasing the
air pressure in the seat side bolsters of the
seat backrest.
R PRE-SAFE ®
Sound: pr ovided that the multime-
dia system is switched on, generating a brief
noise signal tostimula tethe innate pr otective
mechanism of a person's hearing. *
N
NOOTE
TE Damage caused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat position
may result in damage tothe seat and/or the
object. #
Stow objects in a suitable place. R
R
e
ev
ver
er sing t
sing t he PRE-S
he PRE-S AFE
AFE®
®
syst
syst em measur
em measur es
es If an accident did not occur,
the pre-em ptive
measures that we re ta ken are reve rsed.
Yo u will need toper form certain settings yourself. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occu-
y occu-
pant pr ot
pant pr otection plus)
ection plus) PRE-SAFE
®
PLUS can de tect cer tain impacts, par-
ticular lyan imminent rear impact, and take pre-
em ptive measures toprotect theve hicle occu- pants. These measures cann
otnecessarily pre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher 0ashing frequency.
R Increasing brake pressure when theve hicle is
stationar y.This brake application is cancelled
automatically when theve hicle pulls away.
If an accident did not occur, the pre-em ptive
measures that we re ta ken are reve rsed.
Syst
Syst em limits
em limits
The system will not initiate any action in thefo l-
lowing situations:
R when reve rsing
or
R when theve hicle is towing a trailer and there
is a risk of a rear impact 54
54
Occupant saf
ety

Switc
Switc
hing t
hing t he st
he steer
eer ing wheel heat
ing wheel heat er
eron/o.
on/o. R R
eq equir uir ements:
ements:
R The po wer supply or theve hicle has been
switched on. #
Turn the le ver in the direction of ar row 1 or
2.
If indicator lamp 3lights up, the steering
wheel heater is switched on. When
you switch theve hicle o., the steering
wheel heater will switch o.. Easy entr Easy entr
y and e
y and exit f
xit feature
eature Using t
Using t
he easy entr
he easy entr y and e
y and exit f
xit feature
eature &
W WARNING ARNING Risk of accident when pulling
awa y during the adjustment process of
th e easy entry and exitfeature
Yo u could lose control of theve hicle. #
Alwayswa it until the adjustment process
is comple tebefore driving o.. &
W
WARNING
ARNING Risk of becoming trapped dur-
ing adjustment of the easy entry and exit
fe ature
Yo u and other vehicle occupants – particular ly
ch ildren – could become trapped. #
Ensure that no one has a body part in
th e sweep of the steering wheel or driv-
er's seat. If
th ere is a risk of becoming trapped bythe
stee ring wheel: #
Movethe adjustment le ver of the steer-
ing wheel.
The adjustment process will be stopped.
If th ere is a risk of becoming trapped bythe
driver's seat: #
Press the seat adjustment switch.
The adjustment process will be stopped. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. V V
ehicles wit
ehicles wit h memor
h memory function:
y function: you can stop the
adjustment process bypressing one of the mem-
ory function position switches. 112
112
Seats and st
owing

5
L Low beam/high beam
6 R Switches there ar fog light on/o.
When low beam is activated, theT indicator
lamp forth e standing lights will be deactivated
and replaced bytheL low- beam indicator
lamp. #
Always park your vehicle safely using su1cient
lighting, in accordance with there leva nt legal
stipulations.
* N
NOOTE
TE Battery dis charging byoperating the
standing lights Operating
the standing lights over a period of
hours puts a strain on the batter y. #
Where possible, switch on theright X
or leT Wparking light. Fo
rve hicles that are wider than 2 m or lon ger
th an 6 m,single-sided parking lighting is not per-
mitted in some countries. In this case, the stand-
ing lights are also switched on in the parking
lights position. If
th e battery is insu1cient lych arge d, the stand-
ing lights or parking lights will be switched o.
automatically tofacilitate the next engine start.
The exterior lighting (e xcept standing and parking
lights) will switch o. automatically when the driv-
er's door is opened.
R Obser vethe no tes on sur round lighting
(/ page 133).
A
A ut ut omatic dr
omatic dr iving lights function
iving lights function
When theve hicle is switched on, the standing
lights, low beam and daytime running lights are
switched on automatically depending on the light
conditions. &
W
WARNING
ARNING Risk of accident when the
dipped beam is switched o. in poor visi-
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto-
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting.
Switc Switc hing t
hing t he r
he rear f
ear f og lights on or
og lights on or o.
o.
R
R eq
eq uir
uir ements:
ements:
R The light switch is in theL orà posi-
tion. #
Press the R button.
Please obser vethe count ry-speci/c la wsonthe
use of rear fog lamps. 126
126
Light and sight

The hazard
warning lights will switch on automati-
cally if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toa standstill.
When you pull away again, the hazard warning
light system will switch o. automatically at
appr oximately 10 km/h. You can also switch o.
th e hazard warning light system using button 1.A A
dap
dap tiv
tive functions, MUL
e functions, MUL TIBEAM LED
TIBEAM LEDInt
Int
ellig
ellig ent Light Syst
ent Light Syst em function
em function
The MULTIBEAM LED headlamp s adapttothe
driving and weather situation and pr ovide exten-
ded functions for impr oved illumination of the
ro ad.
The system comprises thefo llowing functions:
R Active headlamps (/ page 128)
R Cornering light (/ page 128)
R Motorw ay mode (/ page 129)
R Enhanced fog light function (/ page 129)R
Bad weather light (/ page 129)
R City lighting (/ page 129)
The system is active only when it is dar k.
A
A ctiv
ctiv e headlam
e headlamps function ps function R
The headlamps follow the steering mo ve-
ments.
R Releva nt areas are better illumina ted during a
journe y.
The functions are active when the low beam is
switched on.
Depending on theve hicle's equipment, the course
of the lane in which you are driving will also be ev
aluated and the active headlamps function will
adjust the light in advance.
Cor
Cor ner nering light function
ing light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight bends,
fo rex ample. It can be activated only when the low
beam is switched on.
The function is active in thefo llowing cases:
R Atspeeds below 40 km/h when the turn sig-
nal light is switched on or the steering wheel
is turned 128 128
Light and sight

Multimedia system:
4 © 5
Settings 5
Lights
5 Intelligent Light System #
Switch the function on or o.. A
A
dap
dap tiv
tive Highbeam Assist
e Highbeam Assist A A
dap dap tiv
tive Highbeam Assis
e Highbeam Assist function t function&
W
WARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist
Ad aptive Highbeam Assist does not react to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist may failto recognise other road users
with their own lighting, or may recognise them
to o late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be activated despite
the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R In poor visibility, e.g. fog, heavy rain or snow
R Ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist is only an aid. You are
re sponsible for adjusting theve hicle's lighting to
th e pr evailing light, visibility and tra1c conditions. Ad
aptive Highbeam Assist automatically switches
between thefo llowing types of light:
R Low beam
R High beam
At speeds greater than 30 km/h:
R If no other road users are de tected, the high
beam will switch on automaticall y.130 130
Light and sight

The high beam will switch o. automatically in
the
fo llowing cases:
R Atspeeds below 25 km/h
R Ifot her road users are de tected
R If st reet lighting is su1cient
% The system's optical sensor is located behind
th e windscreen near theove rhead control
panel.
Switc
Switc hing A
hing A dap
daptiv
tive Highbeam Assis
e Highbeam Assist ton/o.
on/o.
Switc
Switc hing on
hing on #
Turn the light switch totheà position. #
Switch on the high beam using the combina-
tion switch.
If Ad aptive Highbeam Assist is activated,
th e_ indicator lamp will light up on the
cent ral display section of the inst rument dis-
pla y.
Switc Switc hing
hingo.
o. #
Switch o. the high beam using the combina-
tion switch. A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus function t Plus function &
W
WARNING
ARNING Risk of accident despite Adap-
tive Highbeam Assist Plus
Ad aptive Highbeam Assist Plus does not react
to:
R road users without lights, e.g. pedestrians
R road users with poor lighting, e.g. cyclists
R road users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist Plus may failto recognise other road
users with their own lighting, or may recognise
th em too late.
In these, or in similar situations, the automatic
high beam will not be deactivated or will be
activated despite the presence of other road
users. #
Always obser vethero ad and tra1c con-
ditions carefully and switch o. the high
beam in good time. Ad
aptive Highbeam Assist Plus cann ottake into
account road, weather or tra1c conditions.
De tection may be restric ted in thefo llowing
cases:
R in poor visibility, e.g. fog, heavy rain or snow
R ifth ere is dirt on the sensors or the sensors
are obscured
Ad aptive Highbeam Assist Plus is only an aid. Yo u
are responsible for adjusting theve hicle's lighting
to the pr evailing light, visibility and tra1c condi-
tions. Light and sight
131 131