MERCEDES-BENZ SLC 2018 Owners Manual

Safety systems Display messages
Possible causes/consequences and P Solutions
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Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
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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 132).
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 281).X
Shift th et ra nsmission to position P .X
Turn th ef ront wheels toward st he curb.X
Consult aq ualified specialist workshop .182
Display messages
On-boar dc omputer an dd isplays

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 ] .X
Visit aq ualified specialist workshop .
If it is no tp ossibl etor elease th ee lectric parking brake:X
Releas et he electric parking brak ea utomatically ( Y
page 132).
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 ] ,ast he electric parking brak e
is no ta pplie 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 .Display messages 18 3
On-boar dc omputer an dd isplays Z

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 ] .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 luid in th eb rak ef luid reservoir .
In addition ,t he ' (US Ao nl y) or M (Canada only) warning lamp
lights up in th ei nstrumen tc luste ra nd aw arning tone sounds.
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 131).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
Hav et he mbrace system checke dataq ualified specialist work-
shop.
PRE-SAFE Inopera‐
tiv e See Operator' s
Manual Importan tf unction sofP RE-SAF E ®
hav ef ailed. Al lo th er occupant
safet ys ystems ,e .g .a ir bags ,r emain available.X
Visit aq ualified specialist workshop immediately.
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 131).X
Restart th ee ng ine.184
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
Active Brake Assist
Functions Limite d
See Operator' sM an ‐
ual Active Brake Assis tisu navailable due to am alfunction .X
Visit aq ualified specialist workshop .
Radar Sensor s Dirty
See Operator' sM an ‐
ual The radar sensor system is malfunctioning .
Possibl ec auses are: R
Dirt on sensor sR
Heavy rain or snow R
Whe nd rivin goni nter-urban roads without traffic or infrastructure,
e.g. in desert-like area s
At least on ed rivin gs ystem or drivin gs afet ys ystem is malfunctioning
or is temporarily unavailable :R
Active Brake Assis tR
Distanc eP ilo tD ISTR ONI C
Once th ec aus eoft he problem is no longer present, th ed rivin ga nd
drive safet ys ystems will be available again .T he display message dis-
appears.
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 131).X
Switc ho ff th ee ng ine.X
Clean all sensor s( Y
page 242).X
Restart th ee ng ine.
The display message disappears.
u SRS Malfunction Ser ‐
vic eR equired The restrain ts ystem is malfunctioning .T he u warning lamp also
lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately.
Fo rf urther information about th er estrain ts ystem, see ( Y
page 38) .
u Front Lef tM alfunc‐
tio nS ervic e
Required or Front
Right Malfunction
Servic eR equired The restrain ts ystem has malfunctioned at th ef ront on th el ef torr ight .
The u warning lamp also lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately. Display messages 18 5
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
u Lef tS id eC urtai n
Airbag Malfunction
Servic eR equired or
Right Sid eC urtai n
Airbag Malfunction
Servic eR equired There is am alfunction in th el eft-han da nd/o rr ight-hand head bag.
The u warning lamp also lights up in th ei nstrumen tc luster.
G WARNIN G
The lef torr ight head bag may either be triggered unintentionally or, in
th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately.186
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Disabled See
Operator' sM anual The front-passenger air bag and front-passenger knee bag are deac -
tivated during th ej ou rney, although:R
an adult
or R
ap erson of th ec orre spondin gs ta tur eisont he front-passenger seat
If additional force sa re applie dtot he seat ,t he system may interpret
th eo cc upant's weigh tasl ower than it actually is.
G WARNIN G
The front-passenger fron ta ir bag and fron tp assenger knee bag may
no tbet ri ggered in th ee vent of an accident.
There is an increased ris kofi njury.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 131).X
Switc ht he ignition off .X
Hav et he occupant on th ef ront-pa ssenger seat get out of th ev ehi-
cle . X
Kee pt he seat unoccupied ,c lose th ef ront-pa ssenger door and
switch on th ei gnition .X
Observ et he PASSENGER AI RB AG indicator lamp sint he center
console and th em ultifunction display and chec kt he following:
Seat unoccupied and ignition switched on :R
as elf-diagnosis is carrie do ut .T he PASSENGER AI RB AG OF Fa nd
PASSENGER AI RB AG ON indicator lamp sm us tl igh tups imulta-
neousl yf or approximately six seconds R
th eP ASSENG ER AI RB AG OF Fi nd icator lamp mus tt he nl igh tu p
and remain lit after th es elf-diagnosis .Ift he indicator lamp is on ,
OCS has deactivated th ef ront-pa ssenger fron ta ir bag and front-
passenger knee bag ( Y
page 46)R
th e Front Passenger Airbag Enable dS ee Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message sm us tn ot be shown in th em ul-
tifunction display X
Wait for ap eriod of at least 60 seconds until th en eces sar ys ystem
checks hav eb een completed.X
Mak es ur et ha tt he display message sdon ot appear in th em ulti-
function display.
If these condition sa re fulfilled ,t he front-passenger seat can be occu-
pied again .W hether th eP ASSENG ER AI RB AG OF ForONi ndicator
lamp remain sl it or goe so ut depend sonh ow OCS classifies th eo cc u-
pant.
If th ec onditi on sa re no tf ulfilled ,t he system is no to perating correctly.X
Visit aq ualified specialist workshop immediately.
Observ et he additional information on OCS ( Y
page 46).Display messages 18 7
On-boar dc omputer an dd isplays Z

Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Enable dS ee
Operator' sM anual The front-passenger air bag and front-passenger knee bag are enabled
during th ej ou rney, eve nt ho ugh :R
ac hi ld, as mall adult or an objec tw eighing less than th es ystem' s
weigh tt hr eshold is locate dont he front-passenger seat
or R
th ef ront-pa ssenger seat is unoccupied
The system may detec to bjects or force sa pplyin ga dditional weigh to n
th es eat .
G WARNIN G
The front-passenger fron ta ir bag and th ef ront-pa ssenger knee bag
may be triggered unintentionally.
There is an increased ris kofi njury.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 131).X
Switc ht he ignition off .X
Ope nt he front-passenger door .X
Remove th ec hi ld and th ec hi ld restrain ts ystem from th ef ront -
passenger seat .X
Mak es ur et ha tt he re are no objects on th es eat addin gtot he
weight.
The system might otherwise detec tt he additional weigh ta nd inter-
pre tt he seat occupant's weigh tasg reate rt ha nita ctually is.X
Kee pt he seat unoccupied ,c lose th ef ront-pa ssenger door and
switch on th ei gnition .X
Observ et he PASSENGER AI RB AG indicator lamp sint he center
console and th em ultifuncti on display and chec kt he fo llowing:
Seat unoccupied and ignition switched on :R
as elf-diagnosis is carrie do ut .T he PASSENGER AI RB AG OF Fa nd
PASSENGER AI RB AG ON indicator lamp sm us tl igh tups imulta-
neousl yf or approximately six seconds R
th eP ASSENG ER AI RB AG OF Fi ndicator lamp mus tt he nl igh tu p
and remain lit after th es elf-diagnosis .Ift he indicator lamp is on ,
OCS (Occupant Classification System) has deactivated th ef ront -
passenger fron ta ir bag and front-passenger knee bag
( Y
page 46) R
th e Front Passenger Airbag Enable dS ee Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message sm us tn ot be shown in th em ul-
tifunction display X
Wait for ap eriod of at least 60 seconds until th en eces sar ys ystem
checks hav eb een completed.X
Mak es ur et ha tt he display message sdon ot appear in th em ulti-
function display.
If these condition sa re fulfilled ,t he front-passenger seat can be occu-
pied again .W hether th eP ASSENG ER AI RB AG OF ForONi ndicator188
Display messages
On-boar dc omputer an dd isplays