2017 MERCEDES-BENZ C-Class COUPE sensor

the cruisecontro llev er up :or down ;to
the pressure point.
Ever ytim et he cruis econtro llev er is pressed
up : or down ;the last spee dstored is
increasedorr educed.
XTo adjustthe setspeed in 5mph incre-
ments (10k m/h increments): briefly press
the cruise control lever up :or down ;to
the pressure point.
Ever ytime the cruise control lever is pressed
up : or down ;the last speed stored is
increased or reduced.
iCruise control is not deactivated if you
depress the accelerator pedal. If you acceler-
ate to overtake, cruise control adjusts the
vehicle's speed to the last speed stored after
you have finished overtaking.
Deactivating cruise control
There are several ways to deactivate cruise con-
trol:
XBriefly press the cruise control lever forwards
=.
or
XBrake.
Cruise control is automatically deactivated if:
Ryou engage the electric parkin gbrake
Ryou are driving at less than 20 mph (30 km/ h)
RESP®intervenes or youdeactivate ESP®
Ryous hift the transmission to position Nwhile
driving
If cruis econtro lisdeactivated ,you will hear a
warning tone .You will see the Cruise Con‐
trolOffmessage in the multifunctio ndisplay
for approximately fiv eseconds.
iWhen yo uswitch off the engine ,the last
spee dstored is cleared.
DISTRONIC PLUS
General notes
DISTRONI CPLUSregulate sthe spee dand auto-
maticall yhelps youm aintain the distance to the
vehicl edetecte dinf ront. Vehicles ar edetected
with the ai dofthe rada rsensor system.
DISTRONI CPLUSb rakes automaticall ysothat
the set spee disnot exceeded. Chang
einto alower gear in good time on long
and stee pdownhil lgradients .Thisise specially
important if the vehicl eisladen .Byd oing so, you
will make us eofthe braking effect of the engine.
Thi srelieves the load on the brake system and
prevents the brakes fromo verheating and wear-
ing too quickly.
If DISTRONI CPLUSd etects thatt here isarisko f
ac ollision, yo uwillbew arned visuall yand
acoustically. DISTRONI CPLUSc anno tprevent a
collision withou tyou rintervention. An intermit-
tent warning tone will thens ound and the dis-
tance warning lamp will light up in the instru-
ment cluster .Brake immediatel yinorder to
increase the distance to the vehicl einfront or
take evasive action provided it is safe to do so.
DISTRONI CPLUSo perates in range between
0m ph (0 km/h )and 120 mph (20 0km/h).
Do not us eDISTRONI CPLUSw hile drivin gon
roads with stee pgradients.
As DISTRONI CPLUSt ransmits ra da
rw ave
s ,it
can resemble the rada rdetectors of the respon-
sibl eauthorities. Yo ucan refer to the relevant
chapte rinthe Operator' sManualifq uestions
ar ea sked abou tthis.
iUSA only: Thi sdeviceh asbeen approved by
the FCC as a"Vehi cularRadar System" .The
rada rsensor is intende dfor us einana uto-
motive rada rsystem only. Removal ,tamper-
ing ,ora ltering of the devic ewillv oida ny war-
ranties, and is not permitted by the FCC .Do
not tampe rwith, alter, or us einany non-
approved way.
Any unauthorized modification to thisd evice
could voi dthe user' sauthority to operate the
equipment.
iCanad aonly: Thi sdevicec omplies with
RSS-210 of Industry Canada. Operatio nis
subject to the following two conditions:
1. Thi sdevicem aynot cause harmfu linter-
ference ,and
2. Thi sdevicem usta ccep tany interference
received, including interferenc ethatm ay
cause undesired operatio nofthe device.
Removal ,tampering, or altering of the device
will voi dany warranties, and is not permitted.
Do not tampe rwith, alter, or us einany non-
approved way.
Any unauthorized modification to thisd evice
could voi dthe user' sauthority to operate the
e

quipment.
162Driving system s
Driving an dparking

Important safety notes
GWARNING
DISTRONI CPLUSd oes no treac tto:
Rpeople or animals
Rstationary obstacles on th eroad ,e.g.s top-
ped or parked vehicles
Roncomin gand crossing traffic
As aresult ,DISTR ONICPLUSm ay neither giv e
warning snorinterven einsuchs ituations.
Ther eisar iskofana ccident.
Always pay careful attention to th etraffic sit -
uation and be read ytob rake.
GWARNIN G
DISTRONI CPLUSc anno talways clearly iden -
tify other road user sand comple xtraffic sit -
uations.
In suc hcases, DISTRONI CPLUSm ay:
Rgiveanu nnecessary warning and then
brak ethe vehicl e
Rneither giv eawarning no rinterven e
Raccelerate or brak eunexpectedly
Ther eisar iskofana ccident.
Continue to driv ecarefully and be read yto
brake, in particular when warned to do so by
DISTRONI CPLUS.
GWARNIN G
DISTRONI CPLUSb rakes your vehicl ewithu p
to 50 %ofthe maximu mpossible deceleration.
If this braking force is insufficient, DISTRONIC
PLUS warns you visuall yand audibly.T here is
ar isk of an accident.
In such cases ,apply the brakes yourself and
try to take evasive action.
!If DISTRONIC PLUS or the HOLD function is
activated, the vehicl ebrakes automatically in
certain situations.
To prevent damage to the vehicle, deactivate
DISTRONIC PLUS and the HOLD function in
the following or other similar situations:
Rwhen towing the vehicle
Rin the car wash If you fail to adapt you
rdriving style ,DISTRONIC
PLUS can neither reduce the risk of accident nor
override the law sofphysics. DISTRONIC PLUS
cannot take into account the road ,traffic and
weather conditions. DISTRONIC PLUS is only an
aid .You are responsiblef or the distance to the
vehicl einfront, for vehicl espeed, for braking in
good time and for staying in you rlane.
Do not use DISTRONIC PLUS:
Rin road and traffic conditions which do not
allow you to maintain aconstant speede .g. in
heavy traffic or on winding roads
Ron slippery road surfaces. Braking or accel-
erating coul dcaus ethe drive wheels to lose
traction and the vehicl ecoul dthen skid
Rwhen there is poor visibility, e.g. due to fog,
heavy rain or snow
DISTRONIC PLUS may not detect narrow vehi-
cles driving in front, e.g. motorcycles, or vehi-
cles driving on adifferent line.
In particular, the detection of obstacles can be
impaired if:
Rthere is dirt on the sensors or anything else
covering the sensors
Rthere is snow or heavy rain
Rthere is interference by other rada rsources
Rthere are strong rada rreflections, for exam-
ple ,inp arking gara ges
If DISTR
ONIC PLUS no longe rdetects avehicle
in front, DISTRONIC PLUS may unexpectedly
accelerate the vehicl etothe stored speed.
This speedm ay:
Rbe too high if you are driving in afilter lane or
an exit lane
Rbe so high in the right lane that you pas svehi-
cles driving on the left (left-hand drive coun-
tries)
Rbe so high in the left lane that you pas svehi-
cles driving on the right (right-hand drive
countries)
If there is achange of drivers, advise the new
drive rofthe speeds tored.
Driving systems163
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XPress button:.
Indicator lamp =lights up. You have selected
Sport mode.
The AMG Suspension System SPORT
mes-
sage appears in the multifunction display.
Sport +mode
The very firm setting of the suspension setting in
Sport +mode ensures the best possible contact
with the road. Select this mode only when driv-
ing on race circuits.
If indicator lamps ;and =are off:
XPress button :twice.
Indicator lamps ;and =light up. You have
selected Sport +mode.
The AMG
SuspensionSystemSPORT +mes-
sage appears in the multifunction display.
If indicator lamp =lights up:
XPress button :once.
Secondi ndicator lamp ;lights up. You have
selected Sport +mode.
The AMG
SuspensionSystemSPORT +mes-
sage appears in the multifunction display.
Comfort mode
In Comfort mode, the driving characteristics of
your vehicle are more comfortable. Select this
mode if you favor amore comfortable driving
style, but also when driving fast on straight
roads, e.g. highways.
XPress button :repeatedly until indicator
lamps ;and =go out.
You have selected Comfort mode.
The AMG
SuspensionSystemCOMFORTmes-
sage appears in the multifunction display.
4MATIC (permanent four-wheel drive)
4MATI Censures that all four wheels are perma-
nently driven. Together with ESP®,iti mproves
the traction of your vehicle whenever adrive
wheel spins due to insufficien tgrip.
If you fail to adapt your driving style, 4MATI Ccan
neither reduce the risk of accident nor override the laws of physics. 4MATI Ccannot take
account of road, weather and traffic conditions.
4MATI Ciso nly an aid. You are responsible for
the distanc etothe vehicle in front, for vehicle speed, for braking in good time and for staying in
your lane.
If
ad rive wheel spins due to insufficien tgrip:
ROnly depress the accelerator pedal as far as
necessary when pulling away.
RAccelerate less when driving.
!Never tow the vehicle with one axle raised.
This may damage the transfer case. Damage
of this sort is not covered by the Mercedes-
Benz Limited Warranty. All wheels must
remain either on the ground or be fully raised.
Observe the instruction sfor towing the vehi-
cle with all wheels in full contact with the
ground.
iIn wintry driving conditions, the maximum
effect of 4MATI Ccan only be achieved if you
use winter tires (M+S tires), with snow chains
if necessary.
PARKTRONIC
Important safety notes
PARKTRONIC is an electronic parking aid with
ultrasonic sensors.Itm onitors the area around
your vehicle using six sensors in the front
bumper and six sensors in the rear bumper.
PARKTRONIC indicates visually and audibly the
distanc ebetween your vehicle and an object.
PARKTRONIC is only an aid. It is not areplace-
ment for your attention to your immediate sur-
roundings. You are alwaysr esponsible for safe
maneuvering, parking and exitin gaparking
space. When maneuvering, parking or pulling
out of aparking space, make sure that there are
no persons, animals or object sinthe area in
which you are maneuvering.
!When parking, pay particular attention to
object sabove or below the sensors,s uch as
flower pots or trailer drawbars. PARKTRONIC
does not detect such object swhen they are in
the immediate vicinityoft he vehicle. You
could damage the vehicle or the objects.
The sensors may not detect snow and other
object sthat absorb ultrasonic waves.
Ultrasonic sources such as an automatic car
wash, the compressed-air brakes on atruck
or ap neumatic drill could cause PARKTRONIC
to malfunction.
PARKTRONIC may not function correctly on
uneven terrain.
174Driving systems
Driving and parking

PARKTRONIC is activated automatically when
you:
Rswitch on the ignition
Rshift the transmission to positionD,Ror N
PARKTRONIC is deactivated at speeds above
11 mph (18 km/h). It is reactivated at lower
speeds.
Range of the sensors
General notes
PARKTRONIC does not take object sinto con-
sideration that are:
Rbelow the detection range, e.g. people, ani-
mals or objects.
Rabove the detection range, e.g. overhanging
loads, truck overhangs or loading ramps.
:Sensors in the frontb umper, left-hand side
(example)
The sensors must be free from dirt, ice or slush.
They can otherwise not function correctly. Clean
the sensors regularly, takin gcare not to scratch
or damage them (
Ypage 296).
Fronts ensors
CenterApprox .40in( approx.
100 cm)
CornersApprox .24in( approx.
60 cm)
Rear sensors
CenterApprox .48in( approx.
120 cm)
CornersApprox .32in( approx.
80 cm)
Minimum distance
CenterApprox .8in (approx. 20 cm)
CornersApprox .6in (approx. 15 cm)
If there is an obstacle within this range, the rel-
evant warning displays light up and awarning
ton esounds. If the distanc efalls below the min-
imum, the distanc emay no longer be shown.
Driving systems175
Driving and parking
Z

Warning displays
:Segments on the left-hand side of the vehi-
cle
;Segments on the right-hand side of the vehi-cle
=Segments showing operational readiness
The warning display sshow the distance
between the sensors and the obstacle. The
warning display for the front area is in the instru-
ment cluster. The warning display for the rear
area is located on the headliner in the rear com-
partment.
The warning display for each side of the vehicle
is divided into five yellow and two red segments.
PARKTRONIC is operational if operational read-
iness indicator =lights up.
The selected transmission position and the
direction in which the vehicl eisrolling deter-
mine which warning display is active whe nthe
engine is running.
Transmission posi-
tionWarning display
DFront area activated
R, Nor the vehicl eis
rolling backwardsRea rand front areas
activated
PNo area sactivated
One or more segments light up as the vehicle
approache sanobstacle, depending on the vehi-
cle's distance from the obstacle.
From the:
Rsixth segment onwards, you wil lhearani nter-
mittent warning tone for approximately two
seconds.
Rseventh segment onwards, you wil lheara
warning tone for approximately two seconds. This indicates that you have now reache
dthe
minimu mdistance.
Deactivating/activating PARKTRONIC
dSwitch on the dashboard
eSwitch in the center console
:Deactivates/activates PARKTRONIC
;Indicator lamp
If indicator lamp ;lights up, PARKTRONIC is
deactivated. Active Parking Assist is then also
deactivated.
iPARKTRONIC is automatically activated
whe nyou turn the SmartKey to position 2in
the ignition lock.
176Driving systems
Driving and parking

Problems with PARKTRONIC
ProblemPossible causes/consequences andMSolutions
Only the red segments in
the PARKTRONIC warn-
ing displaysare lit. You
also hear awarning tone
for approximately two
seconds.
PARKTRONIC is then
deactivated and the indi-
cator lamp on the
PARKTRONIC button
lights up.PARKTRONIC has malfunctioned and has switched off.
XIf problems persist, have PARKTRONIC checked at aqualified spe-
cialist workshop.
Only the red segments in
the PARKTRONIC warn-
ing displaysa re lit.
PARKTRONIC is then
deactivated.The PARKTRONIC sensors are dirty or there is interference.
XClean the PARKTRONIC sensors (Ypage 296).
XSwitch the ignition back on.
The problem may be caused by an external source of radio or ultra-
sound waves.
XSee if PARKTRONIC functions in adifferent location.
Active Parking Assist
General notes
Active Parking Assist is an electronic parking aid
with ultrasound. It measures the road on both
sides of the vehicle. Aparking symbol indicates
as uitable parking space. Active steering inter-
vention and brake application can assist you
during parking and when exiting aparking
space. You may also use PARKTRONIC
(
Ypage 174).
Important safety notes
Active Parking Assist is merely an aid. It is not a
replacement for your attention to your immedi-
ate surroundings. You are always responsible
for safe maneuvering, parking and exiting a
parking space. Make sure that no persons, ani-
mals or object sare in the maneuvering range.
When PARKTRONIC is switched off, Active Park-
ing Assist is also unavailable.
GWARNING
While parking or pulling out of aparking
space, the vehicle swings out and can drive
onto areas of the oncomingl ane. This could
result inacollision with another road user.
There is arisk of an accident.
Pay attention to other road users. Stop the
vehicle if necessary or cancel the Active Park- ing Assist parking procedure.
!If unavoidable, you should drive over obsta-
cles such as curbs slowly and not at asharp
angle. Otherwise, you may damage the
wheels or tires.
Active Parking Assist may also display spaces
not suitable for parking, e.g.:
Rwhere parking or stopping is prohibited
Rin front of driveways or entrances and exits
Ron unsuitable surfaces
Parking tips:
ROn narrow roads, drive as close to the parking
space as possible.
RParking spaces that are littered or overgrown
might be identified or measured incorrectly.
RParking spaces that are partially occupied by
trailer drawbars might not be identified as
such or be measured incorrectly.
RSnowfall or heavy rain may lead to aparking
space being measured inaccurately.
Driving systems177
Driving and parking
Z

Instrumentcluster display
Displaying th eassistance graphic
XCall up th eassistanc egraphic sdisplay func-
tion usin gthe on-board computer
(
Ypage 211).
XSelec tthe Traffic Sig nAssist display.
Detected traffic sign sare displayed in th e
instrumen tcluster.
Speed limit with unknown restriction
:Maximum permitte dspee d
;Maximum permitte dspee dfor vehicles for
whic hthe restriction in th eadditional sign is
relevan t
=Additional sign for unknown restriction
Am aximum permitte dspee dof80m ph
(80 km/h) and aspee dlimi tof60k m/h
(60 mph )withanu nknown restriction apply.
iThe unit for th espee dlimi t(km/h or mph )
depend sonthecountry in whic hyou are driv -
ing .Itisg enerally neither shown on th etraffic
sign no rontheinstrumen tcluste rbut must be
taken int oaccoun twhen observing th emax-
imum permitte dspeed.
Lane Tracking package
General notes
The Lan eTrackin gpackag econsists of Blind
Spot Assist (Ypage 191) and Lan eKeepin g
Assist (Ypage 193).
Blind Spot Assist
Generaln otes
Blind Spot Assist monitors th eareas on either
side of th evehicl ethata re no tvisible to th e
driver wit htwo lateral ,rear-facin gradar sen -
sors. Awarning display in th eexter iorm irror s
draws your attention to vehicles detecte dinthe
monitore darea. If you then switch on th ecor-
respondin gturns ignal to chang elane, you will
also receiv eanoptical and audible warning .
Blind Spot Assist support syou from aspee dof
approximately 20 mph (30 km/h).
Import ant safety notes
GWARNIN G
Blind Spot Assist does no treac tto:
Rvehicles overtake ntoo closely on th eside ,
placing them in th eblinds pota rea
Rvehicles whic happroac hwithal argespee d
differential and overtake your vehicl e
As aresult ,Blind Spot Assist may no tgive
warning sinsuchs ituations. Ther eisarisko f
an accident.
Always observ ethe traffic condition scare-
fully, and maintai nasafel ateral distance.
Blind Spot Assist is only an aid. It may fail to
detec tsom evehicles and is no substitut efor
attentive driving .Always ensur ethatthe re is
sufficien tdistanc etotheside for other road
user sand obstacles.
iUS Ao nly:
This device has been approve dbytheFCC as
a" Vehicular Radar System". The radar sensor
is intended for use in an automotive radar
system only. Removing, tampering with, or
altering th edevice will voi dany warranties,
and is no tpermitte dbytheFCC. Do no ttam -
per with, alter, or use in any non-approve d
way.
An yu nauthorized modification to this device
could voi dthe user’s authority to operate th e
equipment.
Ra dars ensors
The radar sensor sfor Blind Spot Assist are inte-
grated int othe rear bumper. Mak esuret hatthe
bumpers are free from dirt ,ice or slush. The
sensor smust no tbecovered, for exampl eby
Driving systems191
Driving and parking
Z

cycleracks or overhanging loads. Following a
severe impact or in the event of damag etothe
bumpers, have the function of the radar sensors
checke dataq ualified specialist workshop.
Blind Spot Assist may no longer work properly.
Monitoring area
In particular, the detection of obstacles can be
impaired if:
Rthere is dirt on the sensors or anything else
covering the sensors
Rthere is poo rvisibility,e .g. duetof og, heavy
rain, snow or spray
Rthere are narro wvehicles, e.g. motorcycle sor
bicycles
Rthe roadh asvery wide lanes
Rthe roadh asnarro wlanes
Ryoua re not driving in the middleoft he lane
Rthere are barriers or similar lane borders
Vehicles in the monitoring rang eare then not
indicated.
Blind Spot Assist monitors the are aupto10ft
(3 m) behind your vehicle and directl ynext to
your vehicle ,asshown in the diagram.
If the lanes are narrow, vehicle sdriving in the
lane beyond the lane next to your vehicle may be
indicated ,especially if the vehicle sare not driv-
ing in the middleoft heirlan e. Thism ay be the
case if there are vehicle sdriving at the inner
edg eoft heirlan es. Due to the nature of the system:
Rwarnings may be issue
dinerrorw hend riving
clos etoc rashb arriers or similar solid lane
borders.
Rthe warning is cancele dwhend riving for an
extended period next to long vehicles, such as
trucks.
Warning display
:Warning display
Blind Spot Assist is not active at speeds below
approximately 20 mph (30 km/h). Vehicles in
the monitoring rang eare then not indicated.
If av ehicle is detected within the blind spot
monitoring rang eatspeeds above 20 mph
(30 km/h), warning lamp :on the correspond-
ing sid elights up red .Thisw arning is always
emitted whe navehicle enters the blind spot
monitoring rang efrom behind or from the side.
Whe nyou overtake avehicle ,the warning only
occurs if the difference in speed is less than
7m ph (12 km/h).
If yo uselect the reverse gear, Blind Spot Assist
is not operational.
The brightnes softhe warning lamps is auto-
matically adapted to the brightnes softhe sur-
roundings.
Collision warning
If av ehicle is detected in the monitoring rang eof
Blind Spot Assist and yo uswitch on the corre-
sponding turn signal ,adoublew arning tone
sounds. Re dwarning lamp :flashes. If the turn
signal remains on, vehicle sdetected are indica-
ted by the flashing of red warning lamp :.
There are no further warning tones.
192Drivin gsystems
Drivin gand parking