2018 MERCEDES-BENZ S-CLASS CABRIOLET turn signal

1Speedom eter →
208
2 AIR BODY CONTROL malfunctioning →
454
3 #! Turn signal light →
109
4 Multifunction display →
211
5 Tach ome ter →
208
6 å ESP
®OFF →
447
÷ ESP
®→
447
7 K High beam →
109
L Low beam →
108
T Parking lights →
108
8 ? Coolant too hot/cold →
456
9 Coolant temp erature gauge →
208
A · Distance warning →
454
B Ð Steering assis tance malfunction →
455
C # Electrical malfunction →
456
D Brakes (red) →
447
$ USA only
J Canada only
E ü Seat belt is not fastened →
454
F Fuel le vel display
G 8 Fuelreser vewith fuel filler flap location
indicator →
456,
456
H R Rear fog light →
109
I 6 Restra int sy stem →
34
J % Indicator lamp has no function
K ; Check Engine →
456
L Elect ric park ing brake applied (red) →
447
F USA only
! Canada only
M h Tire pressure monitoring sy stem →
460
N ! ABS malfunction →
447
O ! Electric pa rking brake (yellow) →
447
At aglance – Warning and indicator lamps 11

Ifyo u open the trunk lid from outside, the trunk
lid is automatically unloc ked.
Problems with KEYLESS-GO
Problem
Possible causes/consequences and MSolutions
Yo u can no longe r lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
RThe SmartK eybattery is dischar ged or nearly dischar ged.
RThere is inter fere nce from a po werful radio signal source.
RThe SmartK eyis defective.
#Check the battery using the battery check lamp and replace if necessary .
#Use the mechanical keyto lock or unlock theve hicle .
#Ha ve theve hicle and SmartK eychecked at a qualified specialist workshop.
Switching the automatic locking feature
on/off
The vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace.
Opening and closing 63

RObservethe no tes on sur round lighting
(→page 112).
Au tomatic driving lights function
The pa rking lights, low beam and daytime run‐
ning la mps are switched on automatically
depending on the ignition status, whe ther the
engine is running and the ambient light.
&
WARNING Risk of accident when the low
beam is switched off in poor visibility
When the light switch is set toÃ, the low
beam may not be switched on automatically
if th ere 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. You
are responsible forve hicle lighting.
Ac tivating/deactivating the rear fog light
Re quirements
RThe light switch is in the L orà posi‐
tion.
#Press the R button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lights.Operating the combination switch for the
lights
1High-beam headla mps
2Turn signal light, right
3High-beam flasher
4Tu rn signal light, left
#Use the combination switch toactivate the
desired function.
Light and visibility 10
9

High-beam headlamps
#Toswitch on: turnthe light switch tothe
L orà position.
#Press the combination switch be yond the
point of resis tance in the direction of ar row
1.
When the high beam is activated, theL
indicator lamp for low beam is deactivated
and replaced bytheK indicator lamp for
th e high beam.
#To switch off: movethe combination switch
back toits starting position.
High-beam flasher
#Pull the combination switch in the direction
of ar row3.
Tu rn signal lights
#To indicate briefl y:press the combination
switch briefly tothe point of resis tance in the
direction of ar row2or4.
The cor responding turn signal light flashes
th re e times.
#To indicate permanentl y:press the combi‐
nation switch be yond the point of resis tance
in the direction of ar row2or4.
Ve hicles with Active Lane Change Assi st:
Ac tive Lane Change Assi stcan:
Rlengthen turn signal ope ration forth e
duration of the lane change if the driver
has activated the turn signal indicator.
Rautomatically activate the turn signal indi‐
cator if the driver indicated toturn in that
direction immediately before but a lane
ch ange was not immediately possible.
Activating/deactivating the hazard warning
light
#Press button 1.
110
Light and visibility

Cornering light
Cornering light function
Cornering light improvesth e illumination of the
ro adw ayove r a wide angle in the turning direc‐
tion, enabling better visibility on tight bends, for
ex ample. It can only be activated whenthe low
beam is switched on.
The function is active:
RAt speeds below 25 mph (40 km/h) when
th e turn signal light is switched on or the
st eering wheel is turned.
RAt speeds between 25 mph (40 km/h) and
45 mph (70 km/h) when thesteering wheel
is turned.
Ad aptive Highbeam Assist
Function of Adaptive Highbeam Assist
&
WARNING Risk of accident despite
Ad aptive Highbeam Assist
Ad aptive Highbeam Assist does not recog‐
nize thefo llowing road users:
RRo ad users without lights, e.g. pedes‐
trians
RRo ad users with poor lighting, e.g.
cyclists
RRo ad users whose lighting is obstructed,
e.g. bya bar rier
On very rare occasions, Adaptive Highbeam
Assist may failto recognize other road users
with their own lighting, or may recognize
th em too late.
In these or similar situations, the automatic
high beam is not deactivated or is activated
despite the presence of other road users.
#Alw ays obser vethe tra ffic carefully and
switch off the high beam in good time.
Sy stem limitations
Ad aptive Highbeam Assist cannot take into
account road, weather or traf fic conditions.
De tection may be restricted if:
RVi sibility is impaired, forex ample in fog,
heavy rain or sno w.
RThere is dirt on the sensors or the sensors
are obscured.
Ad aptive Highbeam Assist is only an aid.You are
re sponsible for adju sting theve hicle's lighting to
th e pr evailing light, visibility and traf fic condi‐
tions.
Light and visibility 111

Active Di stance Assist DI STRONIC
Function of Active Di stance Assist
DI STRO NIC
Active Dis tance Assist DISTRONIC maintains the
set speed on free-flowing roads. If vehicles
ahead are de tected, the set dis tance is main‐
ta ined, if necessar y,unt ilth eve hicle comes toa
halt. The vehicle accelerates or brakes depend‐
ing on the dis tance totheve hicle in front and
th e set speed. Speed (in thera nge between
15 mp h(2 0 km/h) and 130mp h(210 km/h))
and the dis tance totheve hicle ahead are set
and sa ved on thesteering wheel. Other
features of Active Dis tance Assist
DISTRONIC:
RAd justs the driving style depending on the
selected drive program (fuel-saving, comfort‐
able or dynamic) (
→page 136)
RRe acts tostationary vehicles in urban speed
ra nges (e xcept bicycles and mo torcyc les) if
conditions are suf ficient toenable de tection.
It also does not de tect pedestrians.
RInitiates rapid acceleration tothestored
speed, if the turn signal indicator is switched
on tochange totheove rtaking lane.
RTa ke s one-sided overtaking restrictions into
account on highw ays or on multi-lane roads
with separate roadw ays.
Ve hicles with Active Parking Assis t:ifth eve hicle
has been braked toast andstill on a multi-lane,
separate roadw ay by Active Dis tance Assist
DISTRONIC, it can au tomatical lyfollow th
eve hi‐
cle in front driving off again within 30 seconds. If
a crit

ical situation is de tected when driving off, a
visual and acoustic warning is given indicating
th at the driver must now take control of theve hi‐
cle. The vehicle is not accelerated any fur ther. Ac
tive Dis tance Assist DISTRONIC is only an aid.
The driver is responsible forke eping a safe dis‐
ta nce totheve hicle in front, forve hicle speed
and for braking in good time.
Sy stem limitations
The sy stem may be impaired or may not function
in thefo llowing ins tances, forex ample:
RIn snow ,ra in, fog, heavy spr ay, if there is
gl are, in direct sunlight or in greatly varying
ambient light.
RThe windshield in the area of the camera is
dirty, fogged up, damaged or co vered.
RIfth era dar sensors are dirty or co vered.
ROn slippery roads, braking or accelerating
can cause the drive wheels tolose traction
and theve hicle could then skid.
RIn parking garage s or on roads with steep
uphill or downhill gradients.
Do not use Active Dis tance Assist DISTRONIC in
th ese situations.
16 2
Driving and pa rking

System limitations
Te mp orary speed restrictions (e.g. for a cer tain
time or due towe ather conditions) cannot be
proper lyde tected bythe sy stem. The maximum
permissible speed applying for a vehicle with a
trailer is not de tected bythe sy stem. In these sit‐
uations you must adjust your speed yourself.
&
WARNING Risk of accident due toActive
Speed Limit Assi stadapting theve hicle's
speed
The speed adop tedby Active Speed Limit
Assi stmay be too high or incor rect in some
individual cases, such as:
RInthewe t or in fog
RWhen towing a trailer
#Ensure that the driven speed complies
with traf fic re gulations.
#Ad just the driving speed tosuit cur rent
traf fic and weather conditions.
Function of route-based speed adaptation
%
The availability of thefo llowing function is
countr y-dependent.
When Dis tance Assist DISTRONIC is acti ve,th e
function adju ststh e speed depending on the
ro ute events ahead. Depending on the drive pro‐
gram selected, theve hicle negotiates thero ute
eve nt ahead in a fuel-s aving, com fortable or
dynamic manner. When thero ute event has been
passed, theve hicle accelerates again tothe
st ored speed. The set dis tancetotheve hicle
ahead, vehicles de tected ahead and speed
re strictions ahead are take n into account.
Ro ute-based speed adjustment can byconfig‐
ured in the multimedia sy stem (
→page 167).
Ro ute events ahead are:
RBends
RT-intersection, traf fic circles and tollst ations
RTu rns and exits
% When theto llst ation is reached, Active Dis‐
ta nce Assist DISTRONIC adopts the speed as
th estored speed. Also,
the speed is reduced if the turn signal to
ch ange lanes is switch ed on and one ofthefo l‐
lowing situations is de tected:
RTu rning off at intersections
ROn slowing-down lanes
ROn lanes adjacent toslowing-down lanes
The driver is responsible forch oosing theright
speed and observing other road users. This
applies in particular tointersections, traf fic cir‐
cles and sets of traf fic lights, as route-based
speed adap tati

on does not brake theve hicle toa
st andstill.
When route guidance isactive, thefirs t speed
adjustment is car ried out automatically. If the
turn signal indica tor is switched on, the selected
ro ute isconfirmed and fur ther speed adjustment
is activated.
Speed adjustment is canceled in thefo llowing
cases:
RIf th e turn signal indicator is switched off
before thero ute event.
RIfth e driver depresses the accelera tor or
brake pedal during the process.
16 6
Driving and pa rking

RThe carriag ewa yis nar row and winding.
RObs tacles on the lane or projecting out into
th e lane.
The sy stem does not pr ovide assis tance in the
fo llowing conditions:
ROn tight bends, traf fic circles and when turn‐
ing.
RIf yo u act ively change lane without switch ing
on the turn signal indicator.
&
WARNING Risk of accident if Active
St eering Assist unexpectedly stops func‐
tioning
If th e sy stem limitations of Active Steering
Assist are reached there is no guarantee that
th e sy stem will remain active or will keep the
ve hicle in lane.
#Alw ayske ep your hands onthesteering
wheel and obser vethe tra ffic carefull y.
#Alwaysst eer theve hicle paying atten‐
tion totraf fic conditions.
&
WARNING Risk of accident if Active
St eering Assist unexpectedly inter venes
A malfunction in the de tection of lane mark‐
ings and objects can occur.
This could cause unexpected steering inter‐
ve ntion.
#Steer according totraf fic conditions.
Ac tivating Active Steering Assist
Re quirements:
RESP®must be activated, but not inter vening.
RAc tive Dis tance Assist DISTRONIC is acti va‐
te d.
#If indicator lamp 1is off: press button 2.
Fu nction of Active Lane Change Assi st
% The availability of thefo llowing function is
countr y-dependent.
Ac tive Lane Change Assi stsupports the driver
when changing lanes, byapplying steering tor‐
qu e.
Driving and parking 16
9