battery MERCEDES-BENZ C-CLASS SALOON 2018 User Guide

Problem
Possible causes/consequences and 0050
0050Solutions 0007
Repeat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The
key bat tery iswe ak or dischar ged. 0007
Check the battery using the battery indicator lamp and replace if necessary (0013 page75). Sliding sunroof
Opening and closing
the sliding sunroof 0009
The term "sliding sun roof" also refers to the
panoramic sliding sunroof. 000A
WARNING Risk of becoming trapped
while opening and closing the sliding
sunroof
During opening and closing, parts of the
body could getcaught in the sweep of the
sliding sunroof. 0007
When opening or closing, make sure
that no body parts are in the sweep. 0007
Release the button immediately if
somebody becomes trapped.
or 0007
Press the button in any direction during
th e automatic opening/closing process.
The opening/closing process is stop‐
ped. 000A
WARNING Risk of entrapment if the slid‐
ing sunroof is operated bychildren
Children operating the sliding sunroof could
get caught in the moving parts, particularly if
unattended. 0007
Never lea vechildren unat tended in the
ve hicle. 0007
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. 000A
WARNING Risk of entrapment while
opening and closing thero ller sunblinds
When opening or closing, make sure that no
body parts become trapped between the
ro ller sunblind and frame or sliding sunroof. 0007
When opening or closing, make sure
that no body parts are in the sweep of
th ero ller sunblind. 92
Opening and closing

004B
0058 Low beam/high beam
6 005E Switches there ar fog lights on or off
When low beam is activated, the indicator lamp
fo rth est anding lights 0060is deactivated and
re placed bythe low beam indicator lamp 0058.0007
Alw ays park your vehicle safely and in a well-
lit area, in accordance with there leva nt le gal
st ipulations.
000E NO
TEBattery discharging byoperating
th est anding lights Operating
thest anding lights over a period of
hours puts a stra in on the batter y. 0007
Where possible, switch on the
ri ght 0064 or left 0063parking light. In
the case of se vere battery discharging, the
st anding lights or parking lights are automati‐
cally swit ched off tofacilitate the next engine
st art.
The exterior lighting (e xcept standing and park‐
ing lights) swit ches off automatically when the
driver's door is opened. R
Obser vethe no tes on sur round lighting
(0013 page143).
Au tomatic driving lights function
The standing lights, low beam and daytime run‐
ning lights are switched on au tomatical ly
depending on the ignition status and the light
conditions. 000A
WARNING Risk of accident when the
dipped beam is switched off in poor visi‐
bility
When the light switch is set to0058 ,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. 0007
In such cases, turn the light switch to
0058 . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting. Switching
there ar fog lights on or off
Re quirements:
R The light switch is in the0058 or0058 posi‐
tion. 0007
Press the 005E button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lamps.
Ad justing the headlamp range (vehicles with
halogen headla mps)
The headlamp range adjus ter allows youto
adjust the cone of light from the headlamps in
re lation totheve hicle's load condition. 13 6
Light and sight

0007
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. 000A
WARNING Risk of accident due tomis‐
judgement of dis tances when using the
outside mir ror
The outside mir rors reflect objects on a
smaller scale. The objects in view are in fact
closer than they appear.
As a result, you may misjud gethe dis tance
between you and thero ad user driving
behind you, e.g. when changing lanes. 0007
Therefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u. Fo
lding the outside mir rors in/out 0007
Brief lypress switch 1.
Re setting the outside mir rors
0009 Ifth e battery has been disconnected or com‐
ple tely discharged, the outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly. 0007
Brief lypress switch 1. Ad
justing the outside mir rors 0007
Press button 3or4 toselect the outside
mir rorto be adjus ted. 0007
Press button 2toadjust the position of the
mir rorgl ass.
Engaging the outside mir rors 0007
Vehicles without electrical lyfolding out‐
side mir rors:manually mo vethe outside
mir ror into the cor rect position. 0007
Vehicles with electrical lyfolding outside
mir rors: press and hold button 1.
Yo u will hear a click and the mir ror will audi‐
bly engage in position. The outside mir ror is
set tothe cor rect position. Au
tomatic anti-dazzle mir rors function 000A
WARNING Risk of bu rns and poisoning
due tothe anti-dazzle mir ror electrolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks. Light and sight
151

0007
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. 000A
WARNING Risk offire due tohot station‐
ary heater components
When thest ationary heater is swit ched on,
parts of theve hicle can become very hot,
e.g. thest ationary heater exhaust sy stem.
Flammable materials such as lea ves, grass or
twigs may ignite if they come into contact
wi th:
R hot parts of thest ationary heater exhaust
sy stem
R theex haust gas itself
There is a risk of fire. 0007
When thest ationary heater is swit ched
on, make sure that:
R hot vehicle parts do not come into
contact with flammable materials. R
theex haust gas can flow out of the
st ationary heater exhaust pipe
unhindered.
R theex haust gas does not come into
contact with flammable materials. 000E
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. 0007
After heating or ventilating theve hicle
twice, drive for a longer period of time. Re
quirements:
R The fuel tank is filled toat least reser vefuel
le ve l. 0007
Set the desired temp erature using the0082
button. 0007
Press button 1.
The red or blue indicator lamp on button 1
lights up or goes out.
The colours of the indicator lamp ha vethefo l‐
lowing meaning:
R Blue: stationary ventilation is switched on. Clima
tecontrol 161

0007
Ta
ke dischar ged batteries to a
qu alified specialist workshop or to a
collection point for used batteries. Re
quirements:
R a CR2450 lithium battery 0007
Push a pointed object into recess 1. 0007
Slide battery co ver2 backwards in the
direction of the ar row. 0007
Insert new battery 3with the lettering
fa cing up wards. 0007
Slide battery co ver2 inthe opposite direc‐
tion tothe ar row onto there mo tecontrol
until the battery co ver engages.
Problems with there mo tecont rolfo r the stationary heater/stationary ventilation Problem
Possible causes/consequences and 0050
0050Solutions
FA IL00A3 The signal transmission between
the transmit ter and theve hicle is faulty. 0007
Chan geyour position in relation totheve hicle, moving closer if necessar y.
FA IL Thestar ter battery is not suf ficiently charge d. 0007
Char gethest ar ter batter y.
The fuel tank content is below there ser vefuel le vel. 0007
Refuel at the nearest filling station.
FA IL0099 The
stationary heater is malfunctioning. 0007
Have thest ationary heater checked at a qualified specialist workshop. 16 4
Climate cont rol

If
yo ustart theve hicle via your smartphone, the
pr ev iously selec ted air conditioning adjustment
is active.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled.
R thest ar ter battery is suf ficiently charge d.
0009 You can also set thete mp erature with your
smartphone. In form ation on Mercedes me
connect and other services: http://
www.mercedes.me
This function is not available for all models.
Charging the bat tery before commencing
yo ur journey
R Ifth eve hicle battery is discharged, you
re cei vea message on your smartphone.
R You can then start theve hicle with the
smartphone tocharge the batter y. R
The vehicle is automatically switched off
af te rte n minu tes.
Ensure thefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently filled.
St arting theve hicle 000A
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. 0007
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position 005Dis selected. R
the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated.
R the hazard warning lights are switched off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. 0007
Start theve hicle using the smartphone:
R afte reve ryvehicle start, the engine runs for
te n minu tes.
R you can car ryout a maximum of two consec‐
utive starting attem pts. The vehicle must be
st ar ted once with theke y before trying to
st art theve hicle again with the smartphone.
R you can stop theve hicle again at any time.
R further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: 0007
switch on the hazard warning lights.
or 0007
unlock the doors. 17 0
Driving and pa rking

0009
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing 0007
Swit chon the ignition. 0007
Pull handle 1.
The red0024 indicator lamp in the instru‐
ment clus ter goes out.
Emer gency braking 0007
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red0024 indicator lamp appears
in the instrument clus ter. Information on de
tecting dama geon a
pa rked vehicle If a collision is de
tected when theto w- aw ay pro‐
te ction is primed on a loc kedve hicle, you will
re cei vea notification in the multimedia sy stem
when you swit chon the ignition. Yo
u will recei veinformation about thefo llowing
points:
R The area of theve hicle that may ha vebeen
damaged.
R The forc e of the impact.
The following situations can lead toinadver tent
acti vation:
R The pa rked vehicle is mo ved, e.g. in a two-
st or ey garage.
0009 Deactivate tow- aw ay protection in order to
pr eve nt inadver tent acti vation. If you deacti‐
va te tow- aw ay protection, damage de tection
will also be deactivated.
Sy stem limitations
De tection may be restricted in thefo llowing sit‐
uations:
R The vehicle is damaged without impact, e.g.
if an outside mir ror is torn off or the paint is
damaged byakey.
R Impact occurs at low speed.
R The electric parking brake is not applied. Note
s on parking up theve hicle If
yo u lea vetheve hicle par ked up for longer than
fo ur we eks, the disconnected battery may be
damaged bydeep dischar ge.
If yo u lea vetheve hicle par ked up for longer than
six weeks, it may suf fer disuse dama ge.
0009 Further information can be obtained at a
qu alified specialist workshop.
Plug-in hybrid: obser vethe no tes in the Supple‐
ment. Otherwise, you may failto recognise dan‐
ge rs. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
0009 This function is not available for all models.
If standby mode is activated, theve hicle can be
par kedfo r an extended pe riod of time without
losing po wer.
St andby mode is characterised bythefo llowing:
R thest ar ter battery is preser ved. Driving and parking
201

R
the maximum non-operational time out of
use is displa yed in the multimedia sy stem
displa y.
R functions such as interior pr otection or tow-
aw ay protection are not available.
R the connection toonline services is inter rup‐
te d.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
R the engine is switched off.
R the ignition is switched on.
Exceeding theve hicle's displa yed non-opera‐
tional time may cause incon venience, i.e. it can‐
not be guaranteed that thest ar ter battery will
re liably start the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
R theve hicle's non-operational time must be
ex tended. R
theBattery charge insufficient for standby
mode message appears in the multimedia
sy stem displa y.
0009 Standby mode is automatically deactivated
when the ignition is switched on.
Ac tivating/deactivating standby mode
Multimedia sy stem:
0018 Vehicle 0019
î Vehicle settings
0019 Standby mode
0009 This function is not available for all models. 0007
Activate 0073or deacti vate 0053 the function.
When you activate the function, a prom pt
appears. 0007
Select Yes.
St andby mode is activated. Driving and driving saf
ety sy stems Driving sy
stems and your responsibility Yo
ur vehicle is equipped with driving sy stems
which assist you in driving, parking and manoeu‐
vring theve hicle. The driving sy stems are aids and do not
relie ve you of your responsibility per‐
ta ining toroad traf fic la w.Pay attention tothe
traf fic conditions at all times and inter vene
when necessa ry. Be aware of the limitations
re ga rding the safe use of these sy stems. Fu
nction of thera dar senso rs Some driving and driving sa
fety sy stems use
ra dar sensors tomonitor the area in front of,
behind or next totheve hicle (depending on the
ve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind the Mercedes star. Keep these
parts free of dirt, ice and slush
(0013 page 420). The sensors must not be cov‐
ered, forex ample bycycle rack s, overhanging
loads, sticke rs,fo il or foils toprotect against
st one chipping. In theeve nt of dama getothe
bumpers or radiator grille, or following a collision
impacting the bumpers or radiator grille, ha ve
th e function of thera dar sensors checked at a
qu alified specialist workshop. The driver assis‐
ta nce sy stem may no longer workproper ly. 202
Driving and parking

Coupling up a trailer
000E NO
TEDama getotheve hicle battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. 0007
Do not use theve hicle's po wer supply
to charge the trailer batter y. 0007
Remo vethe co ver from the ball head and
st ore it in a safe place (0013 page114). 0007
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. 0007
Open the soc ket cap. 0007
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. 0007
Turn the ba yonet coupling 2clockwise as
fa r as it will go. 0007
Let the cap engage. 0007
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). 0007
Make sure that the cable is alw ays slack for
ease of mo vement during cornering.
A display messa gemay appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
0009 Accessories can be connected tothe perma‐
nent po wer supp lyup to180W, and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k. Un
coupling a trailer 000A
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. 0007
Do not uncouple trailers with an
engaged overrun brake. 000A
WARNING Risk of becoming trapped
when disconnecting the trailer cable
Ve hicles with le vel control sy stem: The
ve hicle lo werswhen the trailer cable is dis‐
connected.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. 0007
Make sure that nobody is unde rneath
th eve hicle or in the immediate vicinity Driving and parking
265

Te
lephone menu overview 1
Blue tooth ®
device name of the cur rently
connected mobile phone
2 Signal stre ngth of the mobile phone network
fo rth e cur rently connected and selected
mobile phone
3 Battery status of the cur rently connected
and selected mobile phone 4
0071 (telephone ready) or 0097(call active)
5 Contacts (0013page 354)
6 Call list (0013page 357)
7 Text message
8 One mobile phone connec ted: Active call. Tw
o mobile phones connected: changes view
between telephone 1 and 2 or Active call
9 Devices (0013page 349)
A Options 348
Multimedia sy stem