trailer MERCEDES-BENZ C-CLASS SALOON 2018 Owners Manual

1
Speedom eter →
269
2 003E003D Indicators →
137
3 Multifunction display →
273
4 005E Rear fog light →
13 6
5 0057 High beam →
137
0058 Low beam →
13 5
0060 Standing lights →
13 5
6 Rev counter →
269
7 00AC Coolant too hot/cold →
553
8 Coolant temp erature display →
269
9 L Distance warning →
552
A 00E9 Seat belt not fastened →
552
B 0077 Tyre pressure monitoring sy stem →
556
C 00CC Powe r-assis tedsteering malfunction →
557
D 0024 Electric pa rking brake (yellow) →
546 E
0024 Electric pa rking brake applied (red) →
546
F 0075 Restra int sy stem →
33
G 00CA Trailer hit chnot operational →
557
H 004D Brakes (red) →
546
I 00B6 Fuelreser vewith fuel filler flap location
indicator →
553
J Fuel le vel display
K 00CC Suspension malfunction →
552
L 004D Brakes (yellow) →
546
M 003D Electrical fault →
553
N 00B9 Engine diagnostics →
553
O 0028 Diesel engine: preglow
P 0025 ABS malfunction →
546
Q 00BB ESP®
OFF →
546
00E5 ESP®
→
546 At
aglance – Warning and indicator lamps 13

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 flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay.
If an accident did not occur, the pre-em ptive
measures that we retake n are reve rsed.
Sy stem limitations
The sy stem 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 The sy
stem will not initiate any braking applica‐
tion in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space
while using Active Parking Assist Safely transporting
children in theve hicle Alw
ays obser vewhen children are tr avelling
in theve hicle 0009
Also strictly obser vethe saf ety no tesfo rthe
specific situation. In this wa yyo u can recog‐
nise po tential risks and avoid dangers if chil‐
dren are tr avelling in theve hicle
(0013 page 48).
Be diligent
Bear in mind that neglecting tosecure a child in
th ech ild restra int sy stem may ha veserious con‐
sequences. Alw ays be diligent in securing a child
carefully before every journe y. To
impr ove pr otection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing information:
R Alw ays secure thech ild in a child restra int
sy stem suitable forth is Mercedes-Benz vehi‐
cle.
R The child restra int sy stem must be appropri‐
ate tothe age, weight and size of thech ild.
R The vehicle seat must be suitable forfitting a
ch ild restra int sy stem (0013 page54).
Ac cident statistics show that children secured
on there ar seats are generally sa ferth an chil‐
dren secured on the front seats. Forth is reason,
Mercedes-Benz stronglyadvises that youfit a
ch ild restra int sy stem toare ar seat.
Generic term"child restra int sy stem"
The generic term child restra int sy stem is used
in this Owner's Manual. A child restra int sy stem
is, forex ample:
R a baby car seat
R are ar wa rd-facing child seat Occupant saf
ety47

1
Detection range of the sensors
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limitations
The sy stem may be impaired or may not function
if:
R Snow or dirt, e.g. from road salt, co vers the
sensor area.
R The kicking mo vement is made using a pros‐
th etic leg. The boot lid could be opened or closed unin
ten‐
tional ly, in thefo llowing situations:
R A person's arms or legs are moving in the
sensor de tection range, e.g. when polishing
th eve hicle or picking up objects.
R Objects are mo ved or placed behind theve hi‐
cle, e.g. tensioning stra ps or luggage.
R Clamping stra ps, tarp aulins or other co ver‐
ings are pulled overth e bumper.
R A pr otective mat with a length reaching over
th e boot sill down into the de tection range of
th e sensors is used.
R The pr otective mat is not secured cor rectl y.
R Workis being under take n on the trailer hitch,
on trailers or rear bicycle rack s.
Deactivate KEYLESS-GO (0013 page74) or do
not car rytheke y about your person in such sit‐
uations. Swit
ching separate boot locking on or off If
yo u centrally unlo cktheve hicle while separate
locking is activated, the boot will remain loc ked. 0007
Toswitch on: slidethe switch toposition
0047. 0007
Toswitch off: slidethe switch toposition
0048.
0009 If an accident has been de tected, the boot
will unlock even if separate lo cking is
switched on. 86
Opening and closing

Glide mode function
Plug-in
hybrid: obser vethe no tes in the Supple‐
ment. Otherwise, you may failto recognise dan‐
ge rs.
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
Wi th an anticipatory driving style, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R the combustion engine is disconnected from
th e driv etra in and the engine continues to
ru n in neutral.
R the transmission position 005Bis displa yed in
green in the multifunction displa y.
R vehicles with a 48 V on-board electrical
sy stem (EQ Boost technology): the com‐ bustion engine is switched off depending on
th
e driving situation. All of theve hicle func‐
tions remain active.
Glide mode is activated if thefo llowing condi‐
tions are me t:
R drive prog ram ; is selected.
R the speed is within a suitable range.
R thero ad's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R there is no trailer coupled tothe trailer hitch,
and no bicycle rack fitted.
R you are no lon ger depressing the accelera tor
or brake pedal.
0009 Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =. Glide mode is deactivated again if one of
the
conditions is no longer met.
Glide mode can also be pr evented bythefo llow‐
ing parame ters:
R incline
R downhill gradient
R temp erature
R height
R speed
R operating status of the engine
R traffic situation
0009 Glide mode can be ended bypressing the
ri ght-hand steering wheel gearshift paddle
(0013 page183). Driving and parking
18 5

Fu
nction of BAS (Brake Assist Sy stem) 000A
WARNING Risk of an accident caused by
a malfunction in BAS (Brake Assi stSys‐
te m)
If BA S is malfunctioning, the braking dis tance
in an emergency braking situation is
increased. 0007
Dep ress the brake pedal with full force
in emer gency braking situations. ABS
pr eve nts the wheels from locking. BA
S suppo rts yo ur eme rgency braking situation
with additional brake forc e.
If yo u depress the brake pedal quickl y,BA S is
acti vated:
R BAS au tomatical lyboosts the brake pres‐
sure.
R BAS can sho rten the braking dis tance.
R ABS pr events the wheels from locking.
The brakes will function as usual once you
re lease the brake pedal. BAS is deactivated. Fu
nction of ESP ®
(Electronic Stability Pro‐
gr am) 000A
WARNING Risk of skidding if ESP ®
is
malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ry
out vehicle stabilisation. In addition, other
driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have ESP ®
ch ecked at a qualified spe‐
cialist workshop. 000A
WARNING Risk of skidding if ESP ®
is
deactivated
If yo u deactivate ESP ®
, ESP ®
cannot car ry
out vehicle stabilisation. 0007
ESP ®
should on lybe deactivated in the
fo llowing situations. Mercedes‑AMG
vehicles: always obser vethe
no tes in the Supplement. Otherwise, you may
fa ilto recognise dangers. ESP
®
can moni tor and impr ovedriving stability
and traction in thefo llowing situations, within
ph ysical limits:
R When pulling away on wet or slippe rycar ria‐
ge wa ys.
R When braking.
R Vehicles with trailer hitch: in trailer opera‐
tion from speeds of 65 km/h, if theve hicle/
trailer combination begins tosw ay from side
to side.
R Instro ng side winds when you are driving
fa ster than 80 km/h.
If th eve hicle deviates from the direction desired
by the driver, ESP ®
can stabilise theve hicle by
inter vening in thefo llowing ways:
R One or more wheels are braked.
R The engine output is adap ted according to
th e situation.
ESP ®
is deactivated if the00BB ESP®
OFF warn‐
ing lamp lights up continuously in the instrument
clus ter:
R Driving stability will no lon ger be impr oved. 204
Driving and parking

R
Vehicles with trailer hitch: stabilisation of
th eve hicle/trailer combination is no longer
active.
R Crosswind Assist is no longer active.
R The drive wheels could spin.
R ETS/4ETS traction control is still active.
0009 When ESP ®
is deactivated, you are still assis‐
te dby ESP ®
when braking.
If th e00E5 ESP®
wa rning lamp flashes in the
instrument clus ter,one or se veralve hicle wheels
has reached its grip limit:
R Adapt your driving style to suit the cur rent
ro ad and weather conditions.
R Do not deactivate ESP ®
.
R Onlydepress the accelera tor pedal as far as
is necessar y. Deactivate ESP
®
in thefo llowing situations to
impr ove traction:
R When using snow chains.
R In deep sn ow.
R On sand or gr avel.
0009 Spinning the wheels results in a cutting
action, which enhances traction.
If th e00E5 ESP®
wa rning lamp lights up continu‐
ousl y,ESP ®
is not available due toa malfunction.
Obse rveth efo llowing information:
R Warning and indicator lamps
(0013 page545)
R Displ aymessa ges (0013 page 490) ETS/4ETS (Electronic
Traction Sy stem)
ETS/4E TStraction control is pa rtof ESP ®
and
makes it possible topull away and accelerate on
a slippe rycar riag ewa y.
ETS/4ETS can impr oveth eve hicle's traction by
inter vening in thefo llowing ways:
R The drive wheels are braked individually if
they spin.
R More drive torque is transferred tothe wheel
or wheels with traction.
Influence of drive prog rams on ESP ®
The drive programs enable ESP ®
to adapt todif‐
fe re nt we ather and road conditions as well as
th e driver's prefer red driving style. You can
select the drive programs using theDY NA MIC
SELECT switch (0013 page178). Driving and parking
205

Ac
tivating/deactivating ESP ®
(Electronic Sta‐
bility Prog ram) Multimedia sy
stem:
0018 Vehicle 0019
k Assistance 0019
ESP
Mercedes‑AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers. 0007
Activate 0073or deacti vate 0053 the function.
ESP ®
is deactivated if the00BB ESP®
OFF warn‐
ing lamp lights up continuously in the instrument
clus ter.
Obser vethe information on warning lamps and
display messages which may be shown in the
instrument clus ter. Fu
nction of ESP ®
Crosswind Assist ESP
®
Crosswind Assist de tects sudden gu sts of
side wind and helps the driver tokeep theve hi‐
cle in the lane:
R ESP ®
Crosswind Assist is active at vehicle
speeds between 80 km/h and 200 km/h when driving
stra ight ahead or cornering
slight ly.
R The vehicle is stabilised bymeans of individ‐
ual brake application on one side. Fu
nction of ESP ®
trailer stabilisation 000A
WARNING Risk of accident in poor road
and weather conditions
In poor road and weather conditions, the
trailer stabilisation cannot pr event lur ching of
th eve hicle/trailer combination. Trailers with
a high centre of grav ity may tip over before
ESP ®
de tects this. 0007
Alw ays adapt your driving style to suit
th e cur rent road and weather condi‐
tions. When driving with a trailer, ESP
®
can stabilise
yo ur vehicle if the trailer begins toswer vefrom
side toside:
R ESP ®
trailer stabilisation is active abo ve
speeds of 65 km/h. R
Slight swerving is reduced bymeans of a tar‐
ge ted, individual brake application on one
side.
R Intheeve nt of se vere swerving, the engine
output is also reduced and all wheels are
braked.
ESP ®
trailer stabilisation may be impaired or
may not function if:
R The trailer is not connec ted cor rectly or is
not de tected prope rly by theve hicle. Fu
nction of EBD (Electronic Brake forc e Dis‐
tribution) EBD is
characterised bythefo llowing:
R Monitoring and regulating the brake pressure
on there ar wheels.
R Impr oved driving stability when braking,
especially on bends. Driving and parking
207

permitted within
the urban area. The speed limit
display in the instrument display is alw ays upda‐
te d when theve hicle is le vel with the tra ffic sign.
If th ere is no speed restriction on an unlimi ted
st re tch of road (e.g. on a mo torw ay),th ere com‐
mended speed is adop ted as thestored speed.
The sy stem uses the speed stored on an unlimi‐
te dstre tch of road as there commended speed.
If yo u do not alter thestored speed on an unlimi‐
te dstre tch of road, there commended speed is
13 0 km/h.
If Ac tive Dis tance Assi stDISTRONIC has been
put into passi vemode bypressing the accelera‐
to r pedal, only speed limits which are higher
th an the set speed are adop ted.
Ac tive Speed Limit Assi stis only an aid. The
driver is responsible forke eping a safe dis tance
to theve hicle in front, forve hicle speed and for
braking in good time. The maximum permissible
speed also depends on factors su chasthero ad
sur face and traf fic conditions.
Sy stem limitations
Te mp orary speed restrictions (e.g. for a cer tain
time or due towe ather conditions) cannot be proper
ly detected 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. 000A
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, su chas:
R Inthewe t or in fog
R When towing a trailer 0007
Ensure that the driven speed complies
with traf fic re gulations. 0007
Adjust the driving speed tosuit cur rent
traf fic and weather conditions. Fu
nction of route-based speed adaptation 0009
The following function is countr y-dependent
and only available in conjunction with the
Driving Assi stance Package. When Dis
tance Assi stDISTRONIC is acti ve,the
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 tance totheve hicle in
front, vehicles de tected ahead and speed restric‐
tions ahead are take n into account.
Ro ute-based speed adjustment can byconfig‐
ured in the multimedia sy stem
(0013 page 224).
Ro ute events ahead are:
R Bends
R T-junctions, roundabouts and tollst ations
R Turns and exits
R Traf fic jams ahead (only wi thLive Traf fic
( 0013 page 337))
0009 When theto llst ation is reached, Active Dis‐
ta nce Assi stDISTRONIC adopts the speed as
th estored speed. Driving and parking
223

Also,
the speed is reduced if the turn signal to
ch ange lanes is swit ched on and one of thefo l‐
lowing situations is de tected:
R Turning off at junctions
R Driving on slowing-down lanes
R Driving on lanes adjacent toslowing-down
lanes
The driver is responsible forch oosing theright
speed and observing other road users. This
applies in particular tojunctions, roundabouts
and traf fic lights, as route-based speed adap ta‐
tion does not brake theve hicle toast andstill.
When route guidance is active, thefirs t speed
adjustment is car ried out automaticall y.Ifthe
turn signal indica tor is switched on, the selected
ro ute is confirmed and fur ther speed adjustment
is activated.
Speed adjustment is cancelled in thefo llowing
cases:
R Ifth e turn signal indicator is switched off
before thero ute event.
R Ifth e driver depresses the accelera tor or
brake pedal during the process. Sy
stem limitations
Ro ute-based speed adap tation does not take
ri ght of wayre gulations into account. The driver
is responsible for complying with road traf fic
re gulations and driving at a suitable speed.
In dif ficult conditions (e.g. unclear roads, nar row
lanes, wetro ad sur faces, snow or ice) or when
driving wi tha trailer, the speed adjustment made
by the sy stem may not alw ays be suitable. In
th ese situations the driver must inter vene
acco rding ly. 000A
WARNING Risk of accident in spi teof
ro ute-based speed adjustment
Ro ute-based speed adjustment might mal‐
function or be temp orarily una vailable in the
fo llowing situations:
R If map data is not up todate or available
R Ifyo u do not follow the selected route
guidance
R Ifth e set route is re-planned
R Inroad con stru ction areas R
When towing a trailer
R In bad weather or road conditions
R Ifth e accelera tor pedal is depressed 0007
Adjust the speed tothe traf fic situation. Setting
route-based speed adjustment Re
quirements:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d.
Multimedia sy stem:
0018 Vehicle 0019
k Assistance
0019 Speed adjustment 0007
Activate 0073or deacti vate 0053 the function. Ac
tive Steering Assist Fu
nction of Active Steering Assist
0009 Active Steering Assist is count ry-dependent
and only available forve hicles with the Driv‐
ing Assis tance Package. 224
Driving and parking

R
The windscreen in the area of the camera is
dirty, mis ted up, damaged or co vered.
R Absence of lane markings, or se veral unclear
lane markings, or if the markings change rap‐
idl y.
R The dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
R The road is nar row and winding.
R Obs 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:
R On tight bends, junctions, tollst ations,
ro undabouts and when turning.
R When towing a trailer.
R When actively changing lane without swit ch‐
ing on the turn signal.
R When the tyre pressure is too lo w. 000A
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. 0007
Alw ayske ep your hands on thesteering
wheel and obser vethe tra ffic carefull y. 0007
Alw aysst eer theve hicle paying atten‐
tion totraf fic conditions. 000A
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 occu r.
This could cause unexpected steering inter‐
ve ntion. 0007
Steer according totraf fic conditions. Ac
tivating Active Steering Assist
Re quirements:
R ESP ®
must be activated, but not inter vening.
R Active Dis tance Assi stDISTRONIC is acti va‐
te d. 0007
If indicator lamp 1is off: press button 2.226
Driving and parking