2018 MERCEDES-BENZ A-CLASS HATCHBACK fuses

Climate control
......................................... 141
Overview of climate contro l systems ........... 141
Operating the climate control sy stem ......... 14 2 Driving and pa
rking .................................. 151
Driving ........................................................ 151
DY NA MIC SELECT switch ............................1 60
Manual transmission .................................. 16 2
Au tomatic transmission .............................. 16 4
Re fuelling .................................................... 16 9
Pa rking ........................................................ 175
Driving and driving sa fety sy stems .............1 84
Tr ailer hit ch................................................. 24 2
Bicycle rack function .................................. 24 5
Ve hicle towing instructions ........................ .247 Instrument Display and on-board
compu ter.................................................. 248
Instrument display overview ...................... .248
Overview of the buttons on thesteering
wheel ..........................................................2 49
Operating the on-board computer .............. 250
Ad justing the design of the instrument
display ........................................................ 251 Showing display conte
nt onthe instru‐
ment clus ter ............................................... 252
Overview of displa yson the multifunc‐
tion display .................................................2 53
Ad justing the instrument lighting ............... 253
Menus and submenus ................................ 254
Head-up Display ......................................... 260 LINGU
ATRO NIC ......................................... 261
No tes on operating saf ety .......................... .261
Operation ....................................................2 61
Using LINGU ATRO NIC ef fectively ............... 264
Essential voice commands ........................ .265 MBUX multimedia sy
stem ...................... 280
Overview and operation .............................. 280
Sy stem settings ...........................................3 11
Fit & Healt hy............................................... 320
Na vigation .................................................. 324
Te lephone .................................................. .366
Online and Internet functions ..................... 396
Media ........................................................ .405
Ra dio ...........................................................4 12
Sound ......................................................... 41 5 Maintenance and care
.............................419
ASS YST PLUS service inter val display ........ .419
Engine compartment .................................. 420
Cleaning and care ....................................... 427 Breakdown assistance
............................436
Emergency ................................................. .436
Flat tyre ...................................................... 438
Battery (vehicle) ......................................... 444
To w- starting or towing away ....................... 449
Electrical fuses ........................................... 454 Wheels and tyres
..................................... 458
No tes on noise or unusual handling char‐
acteristics .................................................. .458
No tes on regular lyinspecting wheels and
tyres .......................................................... .458
No tes on snow chains ................................ 458
Ty re pressure .............................................. 459
Wheel change ............................................ .468
Emergency spa rewheel .............................. 477 Con
tents 3

#
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with automatic transmission must
not be tow- star ted.
Ve hicles with manual transmission #
Obser vethe no tes on towing away
( → page 450). #
If necessar y,allow the engine and exhaust
sy stem tocool down. #
Switch the ignition on. #
Enga gesecond gear. #
Release the electric parking brake. #
Tow- start theve hicle while the clutch pedal
is fully depressed. #
Slowly release the clutch pedal. #
Immediately shift toneutral if the engine
st arts. #
Pull over and stop theve hicle, paying atten‐
tion toroad and traf fic conditions. #
Remo vetheto w bar. #
Remo vetheto wing eye. #
Have theve hicle checked at a qualified spe‐
cialist workshop. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and inju ry
due to ov erloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alw aysre place faulty fuses with speci‐
fi ed new fuses conta iningthe cor rect
amperage. *
NO
TEDama gedue toincor rect fuses Electrical components or sy
stems may be
damaged byincor rect fuses, or their func‐
tionality may be significant lyimpaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses mu
stbe replaced with fuses of the
same rating, which you can recognise bythe col‐
our and fuse rating. The fuse ratings and fu rther
information tobe obser ved are lis ted in the fuse
assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e engine compartment (→ page 455).
* NO
TEDama geor malfunctions caused
by moisture Moisture may cause dama
getothe electrical
sy stem or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse
box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor‐
re ctly on the fuse box. 454
Breakdown assis tance

If
th e newly inser ted fuse also blo ws, ha vethe
cause traced and rectified at a qualified special‐
ist workshop, e.g. a Mercedes-Benz Service
Centre.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away.
R All electrical consumers are switched off.
R The ignition is switched off.
The electrical fuses are located in various fuse
bo xes:
R Fuse box in the engine compartment on the
left-hand side of theve hicle, when vie wed in
th e direction of tr avel (→ page 455)
R Fuse box in the front passenger foot we ll
(→ page 456)
R Fuse box in the cent reofthe load compart‐
ment (→ page 457) Opening and closing
the fuse box in the
engine compa rtment Requ
irements:
R You need a dry clo thand a sc rewdriver. Obser
vethe no tes on electrical fuses
(→ page 454).
Opening &
WARNING Risk of inju ryfrom using the
windscreen wipers while the engine bon‐
net is open
When the engine bonn etis open, and the
windscreen wipers are set in motion, you can
be trapped bythe wiper linkage. #
Alw ays switch off the windscreen wip‐
ers and ignition before opening the
engine bonn et. #
Open the bonn et. #
Remo veany existing moisture from the fuse
box using a dry clo th. #
Loosen scr ews1. #
Press clamps 2and lift the fuse box lid up
and out.
The fuse assignment diagram is in a recess on
th e side of the fuse box. Breakdown assis
tance 455

Closing
#
Check whe ther the seal is positioned cor‐
re ctly in the lid. #
Place the lid on the fuse box. #
Make sure that clamps 2engage. #
Tighten scr ews1. #
Close the bonn et. Opening and closing
the fuse box in the front
passenger foot we ll Obser
vethe no tes on electrical fuses
(→ page 454). Opening #
Lift carpet 1inthe direction of the ar row. #
Loosen scr ews2 and remo vethe fuse box
lid from theto p.
Closing #
Place the lid on the fuse box. #
Tighten scr ews2. #
Fold back carpet 1.456
Breakdown assis tance

Opening and closing
the fuse box in the load
compa rtment Obse
rveth e no tes on electrical fuses
(→ page 454). #
Open the load compartment floor
(→ page 110). Fu
se box 1is located in the cent reunderneath
th e load compartment floor. Breakdown assis
tance 457

Display messages
Possible causes/consequences and M
MSolutions #
Check whe ther you are permit tedto replace the light source yourself (→ page132).
% LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
b Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Check the fuses and replace them if necessary (→ page 454).
b *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position. 546
Displaymessa ges and warning/indicator lamps

see
Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical dipped
beam) .................................................. 12 2
Gene ral driving tips ............................ .156
Ru nning-in no tes ..................................1 56
Dr ow siness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis ................................................ 214
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram) DY
NA MIC SELECT .................................... 16 0
Con figuring drive program I ................. 161
Displ aying engine data ........................ 16 2
Displ aying vehicle data ........................ 16 2
Drive program display .......................... 161
Drive programs .................................... 16 0
Fu nction .............................................. 16 0
Operating (DYNAMIC SELECT switch) .. 161
Selecting the drive prog ram ................. 161 E
E10 ............................................................ 486
Easy entry feature
Fu nction/no tes .....................................98
Setting ................................................... 99
Easy exitfeature
Fu nction/no tes .....................................98
Setting ................................................... 99
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes ................................... 19 0
ECO display Function .............................................. 16 0
Re setting ............................................. 255 ECO
start/s top function ................. 158, 15 9
Au tomatic engine start ........................ 15 8
Au tomatic engine stop .........................1 58
Operation ............................................ 15 8
Switching off/on ................................. 15 9
Electric pa rking brake ............................ .181
App lying automatically ........................ .181
App lying or releasing manually ............ 183
Emergency braking .............................. 183
Re leasing automatically ...................... .182
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity ......................23
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................... 481
Emer gency
Fire extinguisher ................................. .437
Fir st-aid kit (so ftsided) ....................... 437
Overview of the help functions .............. 16
Re moving thewa rning triangle ............ 436
Saf etyve st .......................................... 436
Setting up thewa rning triangle .......... .437 Index
575