2018 MERCEDES-BENZ CLA engine

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

SETUP display st he following information and
functions: R
the digital speedometer R
the gea ri ndicatorR
the drive system setting R
the suspensio nm odeR
the transmissio np ositionR
the ESP ®
(Electroni cS tability Program) statusX
Press the Y or e button on the steering
wheel to select the AMG menu.X
Press c repeatedl yu nti lS ETUP appears.
RAC ET IMERDisplaying and startin gR AC ET IMER
C
LapD
RAC ET IMER
The RAC ET IMER is only intended for us eona
closed race circuit. Do not us et he function on
public roads.
You can star tt he RAC ET IMER when the engine
is running or if the SmartKey is in position H in
the ignition lock. X
Press Y or e on the steering wheel to
select the AMG menu.X
Press the c button repeatedl yu nti lt he
RAC ET IMER appears.X
To start: press the v button to star tt he
RAC ET IMER.
Displaying the intermediate time X
Press the Y or e button to select
Interm. Time . X
Press v to confirm.
The intermediate time appears for five sec-
onds.
Startin gan ew lap
C
RAC ET IMERD
Fastest la pt ime (best lap)

Deleting all lap s
If you switch of ft he engine, th eR ACE TIMER is
reset to "0" after 30 seconds. Al ll aps are
deleted.
You canno td elete individual store dl aps .Ify ou
hav es to ppe d1 6l aps ,t he curren tl ap doe sn ot
hav etober eset .X
Rese tt he curren tl ap.X
Press v to confirm Reset .
Reset Race-Timer? appears in th em ulti-
function display. X
Press th e d butto ntos elect Yes and press
th e v butto ntoc onfirm.
Al ll aps are deleted.
Overall statistics
C
RACETIMER overall evaluationD
Total time driven

Engine Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
You hav ei nadvertentl yt ou ched th em ultifunction steering whee lw hile
steering intervention was active .X
Whil es te ering intervention is active ,m ak es ur et ha tt he multifunc-
tion steering whee lisn ot touched unintentionally.
The vehicl eh as started to skid and ES P ®
has intervened.X
Use Parking Pilo ta gain later ( Y
page 164).
Parkin gP ilot Inop‐
erativ e You hav ej us tc arrie do ut al arg en umber of turnin gorp arking maneu-
vers.
Parking Pilo tw ill become available again after approximately te n
minute s( Y
page 164). 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
Switc ho ff and restar tt he engine.
If th em ultifunction display still shows th ed isplay message :X
Visit aq ualified specialist workshop .
Parking Assis tP AR KTRONI Cism alfunctioning .X
Visit aq ualified specialist workshop .
Parkin gP ilot Fin ‐
ished The vehicl eisp arked. Aw arning tone also sounds.
The display message disappear sa utomatically.
Distance Pilot Off Distanc eP ilo tD ISTR ONI Cisd eactivated ( Y
page 155).
If it was no td eactivated by th ed river ,aw arning tone also sounds.
Distance Pilot Now
Available Distanc eP ilo tD ISTR ONI Ciso perational again after having been tem-
porarily unavailable .Y ou can no wr eactivat eD istance Pilo t
DISTRONI C( Y
page 152).
Distance Pilot Cur ‐
rently Unavailable
See Operator' sM an ‐
ual Distanc eP ilo tD ISTR ONI Cist 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.
Aw arning tone also sounds.
Whe nt he causes state da bov enol onger apply, th ed isplay message
disappears.
Distanc eP ilo tD ISTR ONI Ciso 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. Display messages 20 9
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
TirePress .S en ‐
sor(s) Missin g US Ao nl y:
There is no signal from th et ir ep ressur es ensor of on eors everal tires .
The pressur eoft he affecte dt ir ed oes no ta ppear in th em ultifunction
display. X
Hav et he fault yt ir ep ressur es ensor replace dataq ualified special -
ist workshop .
Tir eP ressure Moni‐
tor Inoperative No
Wheel Sensor s US Ao nl y:
The wheels mounte ddon ot hav eas uitable tire pressur es ensor .T he
tire pressur em onitor is deactivated.X
Moun tw heels wit hs uitable tire pressur es ensors.
The tire pressur em onitor is activated automatically after drivin gf or
af ew minutes.
Tir e Press. Monito r
Inoperative US Ao nl y:
The tire pressur em onitor is faulty.X
Visit aq ualified specialist workshop .
Vehicle Display messages
Possible causes/consequences and P Solutions
Depres sB rake to
Start Engine You hav ea ttempte dtos ta rt th ee ng in ew it ht he transmission in posi-
tion N without depressing th eb rak ep edal .X
Depress th eb rak ep edal .
To Deselect P or N,
Depres sB rake and
Start Engine You hav ea ttempte dtos hift th et ra nsmission to position R or D with-
out starting th ee ng ine.X
Start th ee ng ine.X
Depress th eb rak ep edal .
i It is only possibl etos hift th et ra nsmission from position P to th e
desire dp osition if you depress th eb rak ep edal .O nl yt he nc an th e
parking loc kbed eactivated. If you do no td epress th eb rak ep edal ,
th eD IR ECT SELECT lever can still be moved but th ep arking loc k
remain se ng aged.
i At transmission fluid temperatures belo w

Display messages
Possible causes/consequences and P Solutions
Sto pV ehicl eS hift
to PL eave Engine
Runnin g The automatic transmission has overheated. X
Drive on carefully.
The automatic transmission is available again when th ed isplay
message goe so ut .
If th em ultifunction display still shows th ed isplay message :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
Wait until th ea utomatic transmission has cooled down and th ed is-
play message has disappeared.
Auxiliary Batter y
Malfunction The auxiliary battery for th ea utomatic transmission is no longer bein g
charged. X
Visit aq ualified specialist workshop .X
Unti lt hen, set th et ra nsmission to position P before you switch off
th ee ng ine. X
Befor el eaving th ev ehicle, apply th ee lectric parking brake.
Trans. Oil Overhea‐
ted Drive on wit h
Car e Mercedes-AMG vehicles: th et ra nsmission oil has overheated.
Manual drive progra m M and th et em porarily active manual drive pro -
gra ma re no longer available. The engin ep owe ro utput is reduced.X
Allow th ev ehicl etoc oo ld own .
4matic Currently
Unavailable 4MATIC has overheated. The vehicl eiso nl yd riven by th ef ront wheels.X
Drive on .
The airflow cools 4MATIC mor eq uickly.
Whe nt he display message goe so ut ,4 MATIC is available again and
th ev ehicl eisd riven by all fou rw heels.
4matic Inoperative 4MATIC is malfunctioning .T he vehicl eiso nl yd riven by th ef ront
wheels. X
Visit aq ualified specialist workshop .

Warning and indicator lamps in the instrument cluster
General notes Some systems carry out as elf-diagnosis when the ignition is switched on. Therefore, some indicator
and warning lamps may light up or flas ht emporarily .T his behavior is non-critical.
These indicator and warning lamps only indicate am alfunction if they light up or flas ha fter starting
the engine or whilst driving.
Safety
Seat belts Warning/
indicator
lamp Q Signal type
Possibl ec auses/consequence sa nd P Solutions