2018 MERCEDES-BENZ CLA warning

in green ( Y
page 185). Lane Keepin gA ssist is
ready for use.
If Standard is selected, no warnin gv ibration
occurs if: R
you have switched on the turn signal. In this
event, the warnings are suppressed for ac er-
tain period of time. R
ad rivin gs afet ys ystem intervenes ,e .g. ABS,
BA SorE SP ®
.
When Adaptive
is selected, no warnin gv ibra-
tion occurs if: R
you have switched on the turn signal. In this
event, the warnings are suppressed for ac er-
tain period of time. R
ad rivin gs afet ys ystem intervenes ,e .g. ABS,
BA SorE SP ®
.R
you accelerat eh ard, e.g. kickdown.R
you brak eh ard.R
you steer actively, e.g. swerv etoa void an
obstacle or change lanes quickly. R
you cut the corner on as harp bend.
In order that you are warne do nly when neces-
sary and in good tim eify ou cross the lane mark-
ing, the system detect sc ertain condition sa nd
warns you accordingly.
The warnin gv ibration occurs earlier if:R
you approac ht he outer lane marking on a
bend R
the road has very wide lanes, e.g. af reewayR
the system detect ss olid lane markings
The warnin gv ibration occurs later if:R
the road has narrow lanes. R
you cut the corner on ab end Driving systems 175
Driving and parking Z

Important safety notes
G WARNIN G
If you operate information systems and com-
munication equipmen ti ntegrate dint he vehi-
cle when driving ,y ou may be distracte df ro m
th et ra ffic situation .Y ou could also lose con-
trol of th ev ehicle. Ther eisar is kofana cci-
dent.
Only operate this equipmen tw hen th et ra ffic
situation permits. If you are no ts ur et ha tt hi s
is possible ,p ark th ev ehicl ep ayin ga ttention
to traffic condition sa nd operate th ee quip-
men tw hen th ev ehicl eiss ta tionary.
You must observ et he legal requirements for th e
country in whic hy ou are currentl yd riving when
operating th eo n-bo ard computer.
G WARNIN G
If th ei nstrumen tc luste rh as faile dorm al-
functioned, you may no tr ecognize function
restriction sins ystems relevan ttos afety. The
operating safet yofy our vehicl em ay be
impaired .T her eisar is kofana ccident.
Drive on carefully. Hav et he vehicl ec hecked
at aq ualified specialist workshop immedi-
ately.
The on-board computer only shows message so r
warning sf ro mc ertai ns ystems in th em ultifunc-
tion display. You should therefor em ak es ur e
your vehicl eiso perating safely at all times .
If th eo perating safet yofy our vehicl ei s
impaired ,p ull ove rass oo nasitiss af etodos o.
Contac taq ualified specialist workshop.
Fo rano verview, see th ei nstrumen tp anel illus-
tration ( Y
page 33).
Display sa nd operation
Instrumen tc luster lighting
The ligh ts ensor in th ei nstrumen tc luste ra uto -
matically control st he brightness of th em ulti-
function display. In daylight, th ed isplays in th e
instrumen tc luste ra re no ti lluminated. The lighting in th ei nstrumen tc luster, in th ed is-
plays and th ec ontrols in th ev ehicl ei nterior can
be adjusted usin gt he brightness control knob.
The brightness control knob is locate dont he
botto ml ef toft he instrumen tc luste r
( Y
page 33). X
Turn th eb rightness control knob clockwise or
counter-clockwise.
If th el igh ts witch is set to th e X , ` or
X position ,t he brightness is dependen t
upon th eb rightness of th ea mbien tl ight.
Speedometer with segments The speedometer is divided int os egments on
vehicles wit hD istance Pilot DISTRONIC.
The segments in th es peedometer indicat e
whic hs pee dr ange is available. R
Distanc eP ilot DISTRONI Cisa ctivated
( Y
page 151):
On eort wo segments in th es et spee dr ange
ligh tu p. R
Distanc eP ilot DISTRONI Cd etects av ehicl ei n
fron tm oving mor es lowly than th es to re d
speed:
The segments between th es pee doft he vehi-
cle in fron ta nd th es to re ds pee dl igh tu p.
Tachometer
! Do no td riv eint he overrevving range, as this
could damag et he engine.
The red ban dint he tachometer indicates th e
engine's overrevving range.
The engin eisl imite dw ithin ar ange to protect
th ee ng in ew hen th er ed ban disr eached.
Outsid et emperatur ed isplayYou should pay special attention to road condi-
tion sw hen temperatures are aroun df re ezing
point.
Bea rinm in dt ha tt he outside temperature dis-
play indicates th et em perature measured and
does no tr ecord th er oad temperature.
The outside temperature display is in th em ulti-
function display ( Y
page 179).176
Display sa nd operation
On-boar dc omputer and displays

There is as hort delay before ac hange in outside
temperature appears in the multifunction dis-
play.
Coolant temperature gauge
G WARNING
Opening the hood when the engine is over-
heated or when there is af ire in the engine
compartment could expose you to hot gases
or other service products. There is ar isk of
injury.
Let an overheated engine cool down before
opening the hood. If there is af ire in the
engine compartment ,k eep the hood closed
and contact the fire department. ! Ad isplay message is shown if the coolant
temperature is too high.
If the coolant temperature is over 248 ‡
(120 †), do not continue driving. The engine
will otherwise be damaged.
The coolant temperature gage is in the instru-
ment cluster on the right-hand side ( Y
page 33).
The H marking in the coolant temperature gauge
corresponds to ac oolant temperature of
approximately 248 ‡( 120 †).
Under normal operating conditions and at the
correc tc oolant level, the coolant temperature
gauge may rise to the H marking.
Operating the on-board computer
Overview
C
Multifunction display
D
Right control panel

X
To select ap reset list or station list: press
and briefl yh ol dt he c or d button until
the preset list or statio nl is tint he desired
frequency rang eiss hown.X
To select as tation: briefl yp ress c
or d .
i SIRIUS XM satellite radio functions like a
norma lr adio.
Yo uc an find further informatio nono pe ration
in the "Satellite radio "s ection of the separate
multimedia system operating instructions.
Operatin gana udi op layer or audio
media
C
Current title
Audio data from various audi od ev ice sorm edia
can be played ,d epen ding on the equipment
installe dint he vehicle.X
Switch on the multimedia system and then
audi oCDorM P3 mod e( se et he separate
operating instructions). X
Press the Y or e button on the steering
whee ltos elect the Audio menu.X
To select the next/previous track: briefly
press the c or d button.X
To select at rack from the track list (rapid
scrolling): press and hol dt he c or d
button unti ld esir ed trac ka ppea rs.
If yo up ress and hold c or d ,t he rapid
scrolling speed is increased .N ot al la udio
drives or data carriers support thi sf unction.
If trac ki nformatio ni ss tored on the audi od ev ice
or medium, the multifunctio nd is play will show
the numbe ra nd titl eoft he track. Vide oD VD operation
Yo uc an onl yo pe rate DVD videos in the Audio
menu in vehicles with COMAND. X
Switch on COMAND and select video DVD
(se et he separate operating instructions). X
Press the Y or e button on the steering
whee ltos elect the Audio menu.X
To select the next or previous scene:
briefl yp ress the c or d button.X
To select as cene from the scen el is t
(rapi ds cr olling): press and hol dt he c
or d button unti ld esir ed scene C
appears.
Telephone menu
Introduction
G WARNING
If yo uo pe rate informatio ns ys tem sa nd com-
municatio ne quipment integrated in the vehi-
cle when driving ,y ou ma ybed is tracted from
the traffic situation. Yo uc ould also lose con-
trol of the vehicle. There is ar is kofana cci-
dent.
Onl yo pe rate thi se quipment when the traffic
situatio np er mits. If yo ua re not sure tha tt his
is possible, park the vehicl ep ayin ga ttention
to traffic conditions and operate the equip-
ment when the vehicl eiss tationary.
Whe nt elephoning, yo um us to bs erve the legal
requirements for the country in which yo ua re
currentl yd riving. X
Switch on the mobil ep hone (se et he manu-
facturer’ so pe rating instructions). X
Switch on the multimedia system (se es epa-
rate operating instructions).Menus and submenus 183
On-board computer and displays Z

Displaying th ea ss istance graphicX
Press th e Y or e butto nont he steerin g
whee lt os elec tt he DriveAssist menu.X
Press c or d to selec t Assist .
Graphi c .X
Press v to confirm .
The multifunction display shows th eD istance
Pilo tD ISTR ONIC distanc ed isplay in th ea ssis-
tanc eg ra phi cd isplay.
The assistanc eg ra phi cd isplays th es tatu so f
and information from th ef ol lowin gd rivin g
systems or drivin gs afet ys ystems :R
Distanc eP ilo tD ISTR ONIC ( Y
page 151)R
Active Brak eA ss is t( Y
page 62)R
ATTENTION ASSIST ( Y
page 171)R
Lan eK eepin gA ss is t( Y
page 174)X
Press d to display th eA TTEN TION ASSIST
assessment.
Deactivating/activating ESP ®
Observ et he important safet yn otes on ES P ®
( Y
page 64) .
G WARNING
If you deactivat eE SP ®
,E SP ®
no longer sta-
bilizes th ev ehicle. There is an increase dr is k
of skidding and an accident.
Only deactivat eE SP ®
in th es ituation sd escri-
bed in th ef ol lowing.
It may be bes ttod eactivat eE SP ®
in th ef ol low -
in gs ituations: R
when usin gs no wc ha in sR
in dee ps no wR
on san dorg ra ve l
Deactivating/activatin gE SP ®
in Mercedes -
AM Gv ehicles ( Y
page 66).
Fo rf urther information about ES P ®
,s ee
( Y
page 64). X
Start th ee ng ine. X
Press th e Y or e butto nont he steerin g
whee lt os elec tt he DriveAssist menu.X
Press c or d to selec t ESP .X
Press v to confirm .
The curren ts election appears .X
To activate/deactivate : press th e v but -
to na gain .
ES P ®
is deactivated if th e

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp and th er ed I (US Ao nl y) or $
(Canada only) indicator lamp ligh tu p.
The electric parking brak eism alfunctioning .
To release: X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Releas et he electric parking brak em anually.
or X
Releas et he electric parking brak ea utomatically ( Y
page 142).
If th ee lectric parking brak es ti ll canno tber eleased:X
Do no td rive on .X
Consult aq ualified specialist workshop .
The red I (US Ao nl y) or $ (Canada only) indicator lamp flashes
and th ey ellow $ warning lamp lights up.
The electric parking brak eism alfunctioning .
To release: X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Releas et he electric parking brak em anually.
To apply : X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Apply th ee lectric parking brak em anually.
If th er ed I (US Ao nl y) or $ (Canada only) indicator lamp con-
tinue stof lash: X
Do no td rive on .X
Secur et he vehicl ea gainst rollin ga way ( Y
page 309).X
Shift th et ra nsmission to position E .X
Turn th ef ront wheels toward st he curb.X
Consult aq ualified specialist workshop .Display messages 19 5
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up. The red I (US Ao nl y)
or $ (Canada only) indicator lamp flashes for about te ns econds
after th ee lectric parking brak eh as been applie dorr eleased. It then
goe so ut or remain sl it .
The electric parking brak eism alfunctioning .X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Apply th ee lectric parking brake.
If it is no tp ossibl etoe ng age th ee lectric parking brake:X
Shift th et ra nsmission to position E .X
Visit aq ualified specialist workshop .
If it is no tp ossibl etor elease th ee lectric parking brak em anually:X
Releas et he electric parking brak ea utomatically ( Y
page 142).
If th ee lectric parking brak es ti ll canno tber eleased:X
Consult aq ualified specialist workshop .
The yellow $ warning lamp lights up. If you manually apply or
release th ee lectric parking brake, th er ed I (US Ao nl y) or $
(Canada only) indicator lamp flashes .
The electric parking brak eism alfunctioning .Itisn ot possibl etoa pply
th ee lectric parking brak em anually.X
Shift th et ra nsmission to position E ,ast he electric parking
brak eisn ot applie da utomatically.X
Visit aq ualified specialist workshop .
I (US A
only)
$ (Canada
only)
Parkin gB rake Inop‐
erativ e The yellow $ warning lamp lights up. The red I (US Ao nl y)
or $ (Canada only) indicator lamp flashes for about te ns econds
after th ee lectric parking brak eh as been applie dorr eleased. It then
goe so ut or remain sl it .
The electric parking brak eism alfunctioning ,e .g .b ecause of over-
voltag eoru ndervoltage. X
Remove th ec aus ef or th eo vervoltage or undervoltage, e.g. by
charging th eb attery or restarting th ee ng ine.X
Engage or release th ee lectric parking brake.
If it remain si mpossible to apply or release th ee lectric parking brake:X
Switc ho ff th ei gnition and tur nitb ac ko n.X
Engage or release th ee lectric parking brake.
If th ee lectric parking brak es ti ll canno tber eleased:X
Consult aq ualified specialist workshop .
If th ee lectric parking brak es ti ll canno tbea pplied:X
Visit aq ualified specialist workshop .196
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up and th er ed I (US Ao nl y)
or $ (Canada only) indicator lamp flashes .
It is no tp ossibl etoa pply th ee lectric parking brak em anually.X
Shift th et ra nsmission to position E .X
Visit aq ualified specialist workshop .
' (US Ao nl y)
M (Canada only)
Check Brake Fluid
Level There is no te no ugh brak ef lui dint he brak ef luid reservoir .
Aw arning tone sounds. The ' (US Ao nl y) or M (Canada only)
warning lamp sint he instrumen tc luste rm ay also ligh tu p.
G WARNIN G
The braking effec tm ay be impaired.
There is ar is kofana ccident.X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions. Do no tc ontinue drivin g
under any circumstances. X
Secur et he vehicl ea gainst rollin ga way ( Y
page 141).X
Consult aq ualified specialist workshop .X
Do no ta dd brak ef luid .T his does no tc orrect th em alfunction .
& Check Brake Pad Wea r The brak ep ads/linings hav er eached their wear limit.X
Visit aq ualified specialist workshop .
S Inoperative On eorm or em ain features of th em brace system are malfunctioning .X
Visit aq ualified specialist workshop .
Active Brake Assist
Functions Currently
Limite dS ee Opera‐
tor's Manual Active Brake Assis tist em porarily inoperative.
Possibl ec auses are: R
The radar sensor system is temporarily inoperative, e.g. due to
electromagneti cr adiation emitted by nearby TV or radi os ta tion so r
other source sofe lectromagneti cr adiation .R
The system is outside th eo perating temperature range.R
The on-boar dv oltag eist oo low.
Whe nt he causes state da bov enol onger apply, th ed isplay message
disappears.
Active Brake Assis tiso perational again .
If th ed isplay message does no td isappear :X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions.X
Secur et he vehicl ea gainst rollin ga way ( Y
page 141).X
Restart th ee ng ine.
Active Brake
Assist : System Inop‐
erativ e Active Brake Assis tisu navailable due to am alfunction .S ituation -
dependen tb raking assistanc em ay also hav ef ailed.X
Visit aq ualified specialist workshop immediately. Display messages 19 7
On-boar dc omputer an dd isplays Z