2018 MERCEDES-BENZ CLA service

receive dbyp hone and move you rv ehicl etoa
safe position.
The message in the display disappears.
The vehicl eo perating state check begins.
During this procedure, you wil ls ee the Vehi‐
cle Diagnostics Active message.
If you select Cancel
,t he Vehicl eH ealth
Check is canceled completely.
When the check is complete, the Sending
vehicle diagnostics data. (Voice con‐
nection may be interrupted during
data transfer) message appears. The vehicle
data can now be sent. X
Press the OK button to confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
The Vehicle Diagnostics: Transfer‐
ring Data... message appears.
The vehicl ed ata is sent to the Customer
Assistance Center.
Depending on wha tt he customer service rep-
resentative agree dw ith you ,t he voice connec-
tion is re-establishe da fter the transfer is com-
plete. If necessary ,y ou wil lbec ontacted at a
later time by another means, e.g. by e-mail or
phone.
Another function of the Vehicl eH ealth Check is
the transfer of service data to the Customer
Assistance Center. If as ervice is due ,t he display
shows am essage to this effect together with
informatio na bout any specia lo ffers at your
workshop.
This informatio nc an als obec alled up under
"Owners Online" at http://www.mbusa.com.
Information on the data stored in the vehicle
( Y
pag e2 9).
Information on Roadsid eA ssistance
( Y
pag e2 6).
Downloading routes Downloading routes allows you to transfer and
save predefined routes in the navigation sys-
tem.
Ar oute can be prepared and sent by either a
customer service representative or under "Own-
ers Online" at http://www.mbusa.com.
Each route can includ euptof our way points.
Once ar oute has been receive dbyt he naviga-
tion system, you wil ls ee the Do you want to
start route guidance ?D estination
Received destination has been saved in "Previou sd estinations". message on
the multimedia system display.
The route is saved. X
To start route guidance: select Yes .
An overvie woft he route is shown in the dis-
play.
If you select No ,t he saved route can be called
up later in the navigation menu. X
Select Start .
Route guidance starts.
Downloaded and saved routes can be called up
again.
Speed alert You can define the upper spee dl imit, which
must not be exceede dbyt he vehicle.
If this selected spee dise xceede dbyt he vehicle,
am essage wil lbes ent to the Customer Assis-
tance Center. The Customer Assistance Center
then forwards this informatio ntoy ou.
You can select the way in which you receive this
informatio nb eforehand. Possible options
includ et ext message, e-mail or an automated
call.
The data you receive contains the following
information: R
the location where the spee dl imi tw as excee-
ded R
the time at which the spee dl imi tw as excee-
ded R
the selected spee dl imi tw hich was exceeded
Geo fencing Geo fencing allows you to select area sw hich the
vehicl es hould not enter or leave. You wil lb e
informed if the vehicl ec rosses the boundaries
of the selected areas. You can select the way in
which you receive this informatio nb eforehand.
Possible options includ et ext message, e-mail or
an automated call.
The area can be determine dase ither ac ircle or
ap olygon with am aximu moft en corners. You
can specify up to ten area ss imultaneously .D if-
ferent settings are possible for each area.
These settings can be called up under "Owners
Online" at http://www.mbusa.com.
Alternatively, you can trigger an MB Info call and
inform the customer service representative that
you wis htoa ctivate geo fencing.Features 251
Stowage and features Z

Currently inactiv ea reas can be activated by text
message.
Triggering th ev ehicle alarmWit ht hi sf unction ,y ou can trigge rt he veh icle 's
pan ic alarm via text message. An alarm soun ds
and th ee xteri or lighting flashes. Depen din go n
th es etting, th ep an ic alarm last sf iv eort en sec-
onds. Afterwards, th ea larm swit ches off.
Garage door opener
General notes The HomeLink ®
garag ed oor opener integrated
in th er ear-view mirror allows you to operate up
to three diff erent door and gat es ystems.
Use th ei ntegrate dg arag ed oor opener on ly on
garag ed oor st ha t:R
have safety stop and revers ef eatures andR
mee tc urren tU .S .f ederal safety standards
Once programed, th ei ntegrate dg arag ed oor
opener in th er ear-view mirror will assum et he
function of th eg arag ed oor system' sr emote
control. Pleas ea lso read th eo peratin gi nstruc-
tions for th eg arag ed oor system.
When programmin gag arag ed oor opener, park
th ev eh icle out side th eg arage. Do no tl eave the
engin er unnin gw hile programming.
Certain garag ed oor driv es are incompatib le
wit ht he integrate dg arag ed oor opener. If you
have diff icult yp rograming th ei ntegrate dg arage
door opener, contact aM ercedes-Ben zS ervice
Center.
Alternatively, you can call th ef oll owin gt el e-
phon ea ssistance services:R
USA: Mercedes-Ben zC ustome rA ss istance
Cente rat1 -800-FOR -M ERCe desR
Canada: Custome rS ervic ea t
1-800-387-0100 R
HomeLink ®
hot lin e1 -800-355-351 5( free of
charge)
Mor ei nformatio nonH omeLink ®
and/or com-
pat ible product sisa lso availab le on lin ea t
http:/ /www. hom elin k.co m.
Notes on the declaration of conformity
( Y
page 27).
USA: FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4 Important safety notes
G WARNING
When you operate or program the garag ed oor
with the integrated garag ed oor opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garag ed oor. There is ar isk of injury.
When using the integrated garag ed oor
opener, always make sure that nobody is
within the range of movement of the garage
door.
G WARNING
Combustion engines emit poisonou se xhaust
gases such as carbon monoxide. Inhaling
these exhaust gases lead stop oisoning. There
is ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
Programming
Programming the buttons Pay attention to the "Important safety notes"
( Y
page 252).
Garage door remote control

Checking and addin go ther service
products
Checking coolan tl evel
G WARNING
The coolin gs ystem is pressurized, particularly
when th em otor is warm .Ify ou open th ec ap,
you coul dbes ca lded if hot coolant sprays out.
Ther eisar is kofi njury.
Let th ee ng in ec oo ld own before you open the
cap. Wear gloves and eye protection .S lowly
open th ec ap to relieve pressure.
! The coolant may only be checked and cor-
recte dw hen th ee ng in eisc oo l( coolan tt em -
peratur eb elow 10 4‡( 40 †) .C heckin gt he
coolan tw hen th ec oo lan tt em peratur ei s
abov e1 04 ‡( 40 †) ma yr esult in damage to
th ee ng in eortot he engin ec oo lin gs ystem.
X
Par kt he vehicl eonal evel surface.
Only chec kt he coolan tl evel when th ev ehicl e
is on al evel surfac ea nd th ee ng in eh as cooled
down .X
Turn th eS ma rtKey to position H in th ei gni-
tion loc k( Y
page 122).X
Chec kt he coolan tt em perature display in th e
instrumen tc luster.
The coolan tt em perature mus tbeb elo w
10 4‡ (40 †).X
Turn th eS ma rtKey to position Z
( Y
page 122) in th ei gnition loc k.X
Slowly tur nc ap C counter-clockwise and to
reliev ee xces sp ressure.X
Turn cap C further counter-clockwise and
remove it .
If th ec oo lan tisatt he level of marke rb ar

ASSYS TP LUS
Service message The ASSYS TP LU Ss ervic ei nterval display
inform sy ou of th en ex ts ervic ed ue date.
You can fin di nformation on th et yp eofs ervic e
and servic ei ntervals in th eM aintenance Book -
let .
You can obtain further information from an
authorize dM ercedes-Benz Cente rora t
http://www.mbusa.co m( US Ao nl y).
i The ASSYS TP LU Ss ervic ei nterval display
does no ts ho wa ny information on th ee ng in e
oil level. Observ et he note sont he engin eo il
level ( Y
page 258).
The multifunction display shows as ervic em es -
sage for several seconds, e.g. :R
Servic eAin..d ay sR
Servic eAd ueR
Servic eAo verdu eby..d ay s
Dependin gont he operating condition soft he
vehicle, th er emaining time or distanc eu ntil th e
next servic ed ue dat eisd isplayed.
The lette r A or B ,p ossibl yinc onnectio nw it ha
number or another letter, indicates th et yp eo f
service. A stand sf or am inor servic ea nd B for a
major service.
You can obtain further information from an
authorize dM ercedes-Benz Center.
The ASSYS TP LU Ss ervic ei nterval display does
no tt ak ei nt oa ccoun ta ny periods of time during
whic ht he battery is disconnected.
Maintainin gt he time-dependen ts ervic es ch ed-
ule: X
Not ed own th es ervic ed ue dat ed isplayed in
th em ultifunction display before disconnect -
ing th eb attery.
or X
Afte rr econnecting th eb attery, subtrac tt he
battery disconnection periods from th es er -
vic ed at es hown on th ed isplay.
Hiding as ervice messageX
Press th e v or 8 butto nont he steering
wheel. Displaying service messages X
Switc hont he ignition .X
Press th e Y or e butto ntos elect th e
Serv. menu. X
Press th e c or d butto ntos elect th e
ASSYST PLU S submen ua nd confirm by press-
ing th e v button.
The servic ed ue dat ea ppear sint he multi-
function display.
Infor ma ti on abou tS ervice
Resetting th eA SSYS TP LUS service
interval display
! If th eA SS YS TP LU Ss ervic ei nterval display
has been inadvertentl yr eset ,t hi ss etting can
be correcte dataq ualified specialist work-
shop.
Hav es ervic ew or kc arrie do ut as described in
th eM aintenance Booklet .T his may otherwise
lead to increased wear and damag etot he
major assemblies or th ev ehicle.
Aq ualified specialist workshop ,e .g .ana uthor-
ized Mercedes-Benz Center, will reset th e
ASSYS TP LU Ss ervic ei nterval display after th e
servic ew or kh as been carrie do ut .Y ou can also
obtain further information on maintenance
work, for example.
Special service requirements The specifie dm aintenance interval takes only
th en orma lo peration of th ev ehicl ei nt o
account. Under arduous operating condition so r
increased load on th ev ehicle, maintenance
wor km us tbec arrie do ut mor ef re quently, for
example: R
regular cit yd rivin gw it hf re quen ti ntermediat e
stops R
if th ev ehicl eisp rimarily used to travel short
distances R
use in mountainous terrain or on poor road
surfaces R
if th ee ng in eiso ften lef ti dlin gf or lon gp eriodsR
in particularly dust yc onditi ons, or if air-recir-
culation mod eisf re quentl yu sed
In these or similar operating conditions, hav e
th ei nterior filter, engin ea ir cleaner, engin eo il
and oil filter, for example, changed mor ef re -ASSYST PLUS 261
Maintenance and care Z

quently. Under arduous operatin gc onditions,
the tires must be checked more often. Further
information can be obtained at aq ualified spe-
cialist workshop, e.g. an authorized Mercedes-
Ben zC enter.
Driving abroad An extensive Mercedes-Benz Service network is
also available in other countries. You can obtain
further information from any authorized
Mercedes-Benz Center.
Care
General notes
H Environmental note
Dispose of empty packagin ga nd cleaning
cloths in an environmentally responsible man-
ner.
! For cleanin gy our vehicle, do not use any of
the following: R
dry, rough or hard cloths R
abrasive cleanin ga gentsR
solvents R
cleanin ga gent sc ontainin gs olvents
Do not scrub.
Do not touch the surfaces or protective films
with hard objects, e.g. ar ing or ice scraper.
You could otherwise scratch or damage the
surfaces and protective film.
! Do not park your vehicle for al ong period of
time directly after cleaning, particularly after
cleanin gt he wheel rim with wheel cleaner.
Wheel cleaner can lead to the increased cor-
rosion of the brake discs and pads. Therefore,
drive for af ew minutes after cleaning. By
heating up the brakes, the brake discs and
pads dry. The vehicle can then be parked for a
long period of time.
Regular care of your vehicle is ac ondition for
retaining the quality in the long term.
Use care product sa nd cleanin ga gent sr ecom-
mended and approved by Mercedes-Benz. Washing the vehicle and cleaning the
paintwork
Automatic car wash
G WARNING
Braking efficiency is reduced after washing
the vehicle. There is ar isk of an accident.
After the vehicle has been washed, brake
carefully while paying attention to the traffic
condition su ntil full brakin gp ower is restored.
! When Distance Pilot DISTRONIC or the
HOLD function is activated, the vehicle
brakes automatically in certain situations.
To avoid damage to the vehicle, deactivate
Distance Pilot DISTRONIC and the HOLD
function in the following or similar situations: R
when towing the vehicle R
in the car wash
! Never clean your vehicle in aT ouchless
Automatic Car Wash as these use special
cleanin ga gents. These cleanin ga gent sc an
damage the paintwor korp lastic parts.
! Make sure that the automatic transmission
is in position N when washing your vehicle in
at ow-through car wash. The vehicle could be
damaged if the transmission is in another
position.
! Make sure that: R
the side windows and the sliding sunroof
are fully closed. R
the blower is switched off. R
the windshield wiper switch is at position 0 .
The vehicle may otherwise be damaged.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cleanin gitinana utomatic car wash.
After using an automatic car wash, wipe off wax
from the windshield and the wiper blades. This
will preven ts mears and reduce wiping noises
caused by residue on the windshield.
Washing by hand
In some countries, washing by hand is only
allowed at specially equipped washing bays.
Observe the legal requirements in each country.262
Care
Maintenance and care

the househol dr ubbish .T hey
must be collected separately
and recycle dtop rotect the
environment.
Dispose of batteries in an
environmentall yf riendly
manner. Take discharged
batteries to aq uali fied spe-
cialist workshop or as pe cial
collectio np oi nt for used bat-
teries.
! Hav et he battery checked regularly at a
qualified specialis tw or kshop.
Observe the service intervals in the Mainte-
nanc eB ookle torc ontact aq uali fied specialist
workshop for mor ei nformation.
! Yo us houl dh av ea ll work involvin gt he bat-
tery carrie do ut at aq uali fied specialis tw or k-
shop. In the exceptiona lc as et ha titi sn eces-
sary for yo utod is connect the battery your-
self, make sure that: R
yo us wi tch off the engine and remove the
key .Onv ehicles with KEYLESS-GO, ensure
tha tt he ignition is switched off .C he ck that
al lt he indicator lamps in the instrument
cluste ra re off .O therwise, electronic com-
ponents ,s uc hast he alternator, ma yb e
damaged. R
yo uf irst remove the negative terminal
clamp and the nt he positive terminal
clamp. Never swap the termina lc lamps.
Otherwise, the vehicle' se le ctronic system
ma ybed amaged .R
in vehicles with automatic transmission,
the transmission is locked in position P
after disconnecting the battery .T he vehicle
is secur ed a gainst rolling away .Y ou ca
n
the nnol on ge rm ov et he vehicle.
The battery and the cove roft he positive ter-
minal clamp must be installe ds ec urel yd ur ing
operation.
Compl yw it hs af ety precautions and take pro-
tective measures when handling batteries. Risk of explosion.
Fire, open flames and smoking are
prohibited when handling the bat-
tery .A voi dc reating sparks.
Battery aci disc austic. Avoi dc ontact
with skin, eyes or clothing.
Wear suitabl ep rotective clothing,
especiall yg lo ves, apron and face-
guard.
Rinse any aci ds pills immediately
with clear water. Contact ap hysician
if necessary.
Wear ey ep rotection.
Kee pc hildren away.
Observe thi sO pe rator' sM an ual.
For safety reasons, Mercedes-Benz recom-
mend st ha ty ou onl yu se batteries which have
been tested and approved for your vehicl eb y
Mercedes-Benz. Thes eb at teries provide
increase di mpact protection to prevent vehicle
occupants fro ms uf ferin ga ci db ur ns shoul dt he
battery be damage dint he event of an accident.
In order for the battery to achieve the maximum
possibl es er vice life, it must always be suffi-
ciently charged.
Like othe rb at teries ,t he vehicl eb at tery may
discharge ove rt im eify ou do not us et he vehicle.
In thi sc ase, have the battery disconnecte data
qualified specialis tw or kshop .Y ou can also
charge the battery with ac harge rr ecommended
by Mercedes-Benz. Contact aq uali fied special-
is tw or kshop for furthe ri nformation.
Hav et he battery condition of charge checked
mor ef requentl yify ou us et he vehicl em ai nl yf or
short trip sorify ou leav eits tanding idle for a
length yp er iod. Consult aq uali fied specialist
workshop if yo uw is htol eave your vehicle
parked for al on gp er io doft ime.
Onl yr eplace ab at tery with ab at tery tha th as
been recommended by Mercedes-Benz.Battery (vehicle) 277
Breakdow na ssistance Z

G WARNING
During charging and jump-starting, explosive gase sc an escap ef rom the battery .T here is ar isk
of an explosion.
Particularl ya voi df ire, open flames, creating sparks and smoking. Ensure there is sufficient ven-
tilation while charging and jump-starting. Do not lea no ver ab attery.
G WARNING
During the charging process ,ab attery produces hydrogen gas. If as hort circui to ccurs or sparks
are created ,t he hydrogen gas can ignite. There is ar isk of an explosion.R
Make sure that the positive terminal of ac onnected battery does not come into contact with
vehicl ep arts.R
Never place metal objects or tools on ab attery.R
It is important that you observe the described order of the battery terminal sw hen connecting
and disconnecting ab attery.R
When jump-starting, make sure that the battery pole sw ith identical polarity are connected.R
It is particularl yi mportant to observe the described order when connecting and disconnecting
the jumper cables. R
Never connect or disconnect the battery terminal sw hile the engine is running.
G WARNING
Ad ischarged battery can freeze at temperatures below freezing point. When jump-starting the
vehicl eorc harging the battery ,g ase sc an escap ef rom the battery .T here is ar isk of an explosion.
Allow the frozen battery to thaw out before charging it or jump-starting.
! Avoid repeated and lengthy starting attempts. Otherwise, the catalytic converter coul db e
damaged by the non-combusted fuel.
If the indicator/warning lamp sdon ot light up in the instrument cluster at low temperatures, it is very
likel yt hat the discharged battery has frozen. In this case you may neither jump-start the vehicl en or
charge the battery .L et the battery thaw first. The service life of at hawed-out battery may be shorter.
The starting characteristics can be impaired ,p articularl yatl ow temperatures. Have the thawed-out
battery checked at aq ualified specialist workshop.
Do not start the vehicl eu sing ar api dc harging device. If you rv ehicle's battery is discharged, the
engine can be jump-started from another vehicl eorf rom as econd battery using jumper cables.
Observe the following points: R
The battery is not accessible in all vehicles. If the other vehicle's battery is not accessible ,j ump-
start the vehicl eu sing as econd battery or aj ump-starting device.R
You may only jump-start the vehicl ew hen the engine and exhaust system are cold.R
Do not start the engine if the battery is frozen. Let the battery thaw first. R
Only jump-start from batterie sw ith a12Vv oltag er ating.R
Only use jumper cables that are not damaged and have as ufficient cross-section and insulated
terminal clamps. R
Make sure that the two vehicles do not touch. Jump-starting 279
Breakdown assistance Z

the size description, depending on the man-
ufacturer (e.g. 245/4 0Z R18) .
The service specification is made up of load-
bearing index