2018 MERCEDES-BENZ A-CLASS SALOON fuses

Climate control
........................................ 14 5
Overview of climate contro l systems ..........1 45
Operating the climate control sy stem ......... 14 6 Driving and pa
rking ................................. 15 5
Driving ........................................................ 15 5
DY NA MIC SELECT switch ............................1 64
Manual transmission ................................... 167
Au tomatic transmission .............................. 16 9
Re fuelling .................................................... 174
Pa rking ...................................................... .180
Driving and driving saf ety sy stems .............1 89
Tr ailer hit ch................................................. 24 8
Bicycle rack function ................................... 251
Ve hicle towing instructions ........................ .253 Instrument Display and on-board
comp uter.................................................. 254
Instrument display overview ...................... .254
Overview of the buttons on thesteering
wheel ..........................................................2 55
Operating the on-board computer .............. 256
Ad justing the design of the instrument
display ........................................................ 257 Showing display conte
nt onthe instru‐
ment clus ter ............................................... 258
Overview of displa yson the multifunc‐
tion display .................................................2 59
Ad justing the instrument lighting ............... 260
Menus and submenus ................................ 260
Head-up Display ......................................... 267 LINGU
ATRO NIC ........................................ 268
No tes on operating saf ety .......................... 268
Ope ration ................................................... 268
Using LINGU ATRO NIC ef fectively ................ 271
Essential voice commands .......................... 272 MBUX multimedia sy
stem ....................... 287
Overview and operation .............................. 287
Sy stem settings .......................................... 318
Fit & Healt hy............................................... 328
Na vigation .................................................. 333
Te lephone .................................................. .375
Online and Internet functions ..................... 405
Media ..........................................................4 14
Ra dio .......................................................... 422
Sound .........................................................4 25 Maintenance and care
.............................429
ASS YST PLUS service inter val display ........ 429
Engine compartment .................................. 430
Cleaning and care ...................................... .436 Breakdown assi
stance ............................ 446
Emergency ................................................. 446
Flat tyre ...................................................... 448
Battery (vehicle) ......................................... 455
To w- starting or towing away ....................... 460
Electrical fuses ........................................... 465 Wheels and tyres
..................................... 469
No tes on noise or unusual handling char‐
acteristics .................................................. .469
No tes on regular lyinspecting wheels and
tyres .......................................................... .469
No tes on snow chains ................................ 469
Ty re pressure .............................................. 470
Wheel change ............................................ .479
Emergency spa rewheel .............................. 489 Contents
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 461). #
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 466).
* 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. Breakdown assis
tance 465

If
th e newly inser ted fuse also blo ws, ha vethe
cause traced and rectified at a qualified special‐
ist workshop.
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 466)
R Fuse box in the front passenger foot we ll
(/ page 467)
R Fuse box in the cent reofthe boot
(/ page 468) Opening and closing
the fuse box in the
engine compa rtment Re
quirements:
R A dry clo thand a sc rewdriver are available. Obse
rveth e no tes on electrical fuses
(/ page 465).
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 allocation chart is in a recess on the
side of the fuse box. 466
Breakdown assis tance

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 465). 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 the carpet. Breakdown assis
tance 467

Opening and closing
the fuse box in the boot Obser
vethe no tes on electrical fuses
(/ page 465). #
Open the boot floor (/ page114). Fu
se box 1is located in the cent reunderneath
th e boot floor. 468
Breakdown assis tance

Display messages
Possible causes/consequences and M
MSolutions
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 465).
b
Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page132). Displ
aymessa ges and warning/indicator lamps 559

Operation ............................................
16 2
Switching off/on ................................. 16 3
Electric pa rking brake ............................ .186
Applying auto matically ........................ 186
App lying or releasing manually ............ 188
Emergency braking .............................. 188
Re leasing automatically ...................... .187
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity ......................25
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Fire extinguisher ................................. .448
Fir st-aid kit (so ftsided) ....................... 447
Overview of the help functions .............. 18
Re moving thewa rning triangle ............ 447
Saf etyve st .......................................... 446
Setting up thewa rning triangle .......... .447
Emer gency braking ................................. 188
Emer gency braking
see BAS (Brake Assi stSystem) Emer
gency call sy stem
see Mercedes-Benz emer gency call sy stem
Emer gency engine start ......................... 464
Emer gency key
Inserting/removing ............................... 75
Locking a door ....................................... 81
Un locking a door .................................. .81
Emer gency operation mode
St arting theve hicle .............................. 157
Emer gency spare wheel .........................4 89
Inflating ............................................... 490
No tes .................................................. 489
Re moving ............................................ 490
ENERGIZI NGCoach
Calling up ............................................ 332
Fu nction .............................................. 332
ENE RGIZING comfort .............................. 328
Overview of programs ........................ .329
St arting the program ........................... 330
ENERGIZING seat kinetics Setting .................................................3 28
ENERGIZI NGseat kinetics
see ENERG IZING comfort Engine
ECO start/ stop function ......................1 62
Engine number ................................... .494
St arting (Digital Vehicle Keyst icke r) .... 15 6
St arting (eme rgency operation
mode) .................................................. 157
St arting (mobile phone) ...................... .156
St arting (Remo teOnline) ..................... 15 9
St arting (s tart/s top button) ................ 15 6
St arting assis tance .............................. 459
Switching off (s tart/s top button) ........ 180
Engine bonnet Function (active bonnet) ...................... 430
Opening/closing .................................. 431
Re setting (active bonnet) .................... 430
Engine data Displaying ............................................ 167
Engine electronics Notes .................................................. 492
Engine number ........................................4 94
Engine oil ................................................ .434
Ad ditives .............................................. 501
Capacity .............................................. 502 Index
589