2019 MERCEDES-BENZ S-CLASS CABRIOLET ECU

#
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R Releasing the parking brake.
R Shifting the automatic transmission out
of park position 005D.
R Starting the engine.
In addition, they may operate vehicle equip‐
ment and become trapped. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. *
NO
TEDama getotheve hicle due toit
ro lling away #
Alw ays secure theve hicle against roll‐
ing away. 1
Start/ stop button #
On uphill or downhill inclines, turn the front
wheels towa rdsth e curb. #
Apply the electric parking brake. #
Select transmission position 005D. #
Switch the ignition off. #
Lock theve hicle. 14 6
Driving and pa rking

Clearing
thega rage door opener memo ry#
Press and hold buttons 1and 3.
Indicator lamp 4lights up yello w. #
If indicator lamp 4flashes green: release
buttons 1and 3.
The entire memo ryhas been dele ted.
Ra dio equipment appr oval numbers for the
ga rage door opener Ra
dio equipment appr oval numbers Brazil
Es te equipamento opera em caráter secundário,
is to é, não tem direito à pr oteção contra inter fer‐
ência prejudicial, mesmo de es tações do mesmo
tipo, e não pode causar inter ferê ncia a si stemas
operando em caráter primário.
Pa ra maio res informações acessar
www.anatel.go v.br Ra
dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Egyp tT AC.25 111 51293.WIR
Andor ra CE
Au stra lia R-NZ
Barbados MED1 578
Chile 2488/DFRS205 76/F-74
European
Union CE
Gibral tarCE
Iceland CE
Jordan TRC/LPD/20 15/299
Canad aI C:4112 A-MUAHL5
Ku wa it CE
Liechten‐
st ein CE 15 0
Driving and pa rking

App
lying/releasing the electric pa rking
brake manually
Applying #
Push handle 1.
The red0049 (USA) or 0024(Canada) indica‐
to r lamp appears 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 red0049 (USA) or 0024(Canada) indica‐
to r lamp in the instrument clus ter goes out.
Emer gency braking #
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red0049 (USA) or 0024(Can‐
ada) indicator lamp appears in the instru‐
ment clus ter. Note
s on parking theve hicle for an extended
period If
yo u lea vetheve hicle par kedfo r longer than
fo ur we eks, the disconnected battery may be
damaged bydeep dischar ge. If
yo u lea vetheve hicle par kedfo r longer than six
we eks, it may suf fer disuse dama ge.
% Further information can be obtained at a
qu alified specialist workshop. Connecting trickle
charger *
NO
TEStarter battery dama gedue to
long non-ope rational times If
th eve hicle is not mo vedfo r a longer
period, thest ar ter battery may discharge and
be dama ged. #
Connect a trickle charge rto the soc ket
in the trunk. #
Switch the ignition off. Driving and parking
15 3

brake pedal and activate
Active Dis tance
Assi stDISTRONIC. #
Press rocker switch 4up (RES).
or #
Depress the accelerator pedal briefly and
fi rm ly.
The functions of Active Dis tance Assi st
DISTRONIC continue tobe car ried out. &
WARNING Risk of accident due toActive
Dis tance Assi stDISTRONIC still being
activated when you lea vethe driver's
seat
If yo u lea vethe driver's seat while theve hicle
is being braked byActive Dis tance Assi st
DISTRONIC only, theve hicle can rollaw ay. #
Alw ays deactivate Active Dis tance
Assi stDISTRONIC and secure theve hi‐
cle topreve nt it from rolling away
before you lea vethe driver's seat. #
Todeactivate Active Di stance Assist
DISTRO NIC:press rock er switch 4down
(CNCL). #
Toincrease/reduce speed: pressrock er
switch 3up/down tothe pressure point.
The stored speed is increased or reduced by
1 mp h (1 km/h).
or #
Press and hold rocker switch 3up/down to
th e pressure point.
The stored speed is increased or reduced in
increments of 1 mph (1 km/h).
or #
Press rocker switch 3beyond the pressure
point.
The stored speed is increased or reduced by
5 mp h (1 0 km/h).
or #
Press and hold rocker switch 3beyond the
pressure point.
The stored speed is increased or reduced in
increments of 5 mph (10 km/h). #
Toincrease or reduce the speci fied dis‐
tance from theve hicle in front: press
rock er switch 2up or down. Fu
nction of Active Speed Limit Assi st %
The availability of thefo llowing function is
countr y-dependent. If a
change in the speed limit is de tected and
Ac tive Dis tance Assi stDISTRONIC is acti vated,
Ac tive Dis tance Assi stDISTRONIC adapts this
new speed as thestored speed. Driving and parking
16 9

&
WARNING Risk of accident if Lane
Change Assi stunexpectedly stops func‐
tioning
If th e sy stem limitations for Lane Change
Assist ha vebeen reached, there is no guar‐
antee that the sy stem will remain active.
Lane Change Assist cannot then assist you
by applying steering torques. #
Alw ays monitor the lane change and
ke ep your hands on thesteering wheel.
Obser vethe tra ffic conditions and steer
and/or brake if necessar y.Sy
stem limitations
The sy stem limitations of Active Steering Assist
apply toActive Lane Change Assi st
( → page 172).
The sy stem may also be impaired or may not
function in thefo llowing situations:
R The sensors in there ar bumper are dirty,
damaged or co vered, for ins tance by a
st icke r or ice and sno w.
R The exterior lighting is malfunctioning. Ac
tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
, Vehicle .
k Assistance #
Select Lane Change Assist . #
Activate 0073or deacti vate 0053 the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continually ignores the visual or
acoustic warning toput their hands on thesteer‐
ing wheel, theBeginning Emergency Stop mes‐
sage appears in the multifunction displa y.Ifthe
driver still does not respond, Active Dis tance
Assi stDISTRONIC reduces the speed. The vehi‐
cle is decelerated in stages toast andstill. At
speeds below 40 mph (6 0 km/h) the hazard
wa rning lights switch on automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R The vehicle is secured with the electric park‐
ing brake
R Active Dis tance Assi stDISTRONIC is ended
R The vehicle is unloc ked R
If possible, an emer gency call is placed to
th e Mercedes-Benz emer gency call center
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
R Steering
R Braking or accelerating
R Pressing a steering wheel button
R Operating Touch Control
R Activating or deacti vating Active Dis tance
Assi stDISTRONIC Overvi
ewofActive Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter The assis
tance graphic and thest atus display
show thest atus of thefo llowing functions in the
instrument clus ter:
R Active Dis tance Assi stDISTRONIC
R Route-based speed adap tation
R Active Steering Assist Driving and parking
175

R
Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or brake
pedal, e.g. byave hicle occupant. #
Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. *
NO
TEDama gefrom auto matic braking When
Active Brake Assi st,Ac tive Dis tance
Assi stDISTRONIC 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: #
During towing #
In a car wash 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 005B,005Eor005C.
Ac tivating the HOLD function #
Dep ress the brake pedal and af ter a short
time quickly depress fur ther until the00D9
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 the00D9 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 switched toposition 005D.
R The vehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
th e transmission position 005Dorby the electric
parking brake:
R The seat belt is unfas tened and the driver's
door is opened.
R The drive sy stem is switched off.
R There is a malfunction in the sy stem or the
po we r supp lyis insuf ficient. AIRMATIC
Fu
nction of AIRMATIC
AIRMATIC is an air suspension sy stem with varia‐
ble damping for impr oved driving comfort. The
all-round le vel control sy stem ensures the best
possible suspension and const antground clear‐
ance, even with a laden vehicle. When driving at
speed, theve hicle is lo wered automatically to
impr ovedriving saf ety and toreduce fuel con‐
sum ption. You also ha vethe option of manually
adjusting theve hicle le vel. 17 8
Driving and pa rking

be applied automaticall
y.To do this, the function
uses thera dar sensors in the bumper. The area
adjacent totheve hicle is continually monitored.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible.
The Cross Traf fic Alert function is acti veunder
th efo llowing conditions:
R If Blind Spot Assist is activated.
R Ifth eve hicle is backing up at walking pace.
R Ifth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
Sy stem limitations
The Cross Traf fic Alert function is not available
on inclines.
Deactivating/activating maneuvering assis‐
tance
Multimedia sy stem:
, Vehicle .
k Assistance .
Camera
& Parking .
Maneuvering Assist. #
Activate 0073or deacti vate 0053 the function.
% Maneuvering assis tance mu stbe active for
th e function of Drive AwayAssi st (
→ page 194) and Cross Traf fic Alert
(→ page 195). AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on highw ays and trunk roads.
If AT TENTION ASSIST de tects indicators of fati‐
gue or increasing lapses in concentration on the
part of the driver, it suggests taking a brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration
in time. The sy stem is not a substitute for a well-
re sted and attentive driver. On long journe ys,
ta ke regular breaks in good time that allow for
adequate recuperation.
Yo u can choose between two settings.
R Standard: normal sy stem sensitivity.
R Sensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d according ly. If dr
owsiness or increasing lapses in concentra‐
tion are de tected, theATTENTION ASSIST: Take
a Break! warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
tak e a break where necessar y.Ifyo u do not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes. Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
R The length of the journey since the last
break. 19 6
Driving and pa rking

R
Gray radar waves next tovehicle: Blind Spot
Assist activated
R Green radar waves next tovehicle: Blind Spot
Assist active
R Active Dis tance Assi stDISTRONIC displa ys
( → page 166). Calling up
displays on theTr ip menu On-board computer:
, Trip
% When you ha vethest yle set toClassic ,you
can view information on the journey in the
left-hand area of the Instrument Displa y.#
Toselect a displa y:swipe upwards or down‐
wa rds on the left-hand Touch Control.
Displa ysintheTrip menu:
R Standard display
R Range and cur rent fuel consu mption
A recuperation displ ayis also available for
cer tain engines. If there is only a small
amount of fuel left in the fuel tank, the dis‐ play sho
wsave hicle being refueled ins tead
of thera nge.
R ECO displ ay (→page 137)
R Trip computer From StartandFrom Reset
R Digital speedom eter
% The digital speedome ter only appears in the
Sport andSupersport styles. Example:
standard display
1 Trip dis tance
2 Total dis tance Example: trip computer
1
Total dis tance
2 Driving time
3 Average speed
4 Average fuel consum ption 216
Instrument Display and on-board computer