Page 359 of 506
color and fuserating. The fuse ratings are li sted
in the fuse assignment diagram.
Fu se assignment diag ram: onthe fuse box in
th e cargo compartment (
→page 359).
* 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.
If a 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:
RThe vehicle is secured against rolling away.
RAll electrical consumers are switched off.
RThe ignition is switched off. The electrical fuses are located in
various fuse
bo xes:
RFu se box in the engine compartment on the
driver's side (→page 357)
RFu se box on the driver's side of the cockpit
(→page 358)
RFu se box in the front-passen gerfo ot we ll
(→page 358)
RFu se box in the cargo compartment on the
ri ght-hand side of theve hicle, when vie wed
in the direction of tra vel (
→page 359)
Fu se box in the engine compa rtment
Prerequisites
Observ eth e no tes on electrical fuses
(
→page 356).
Ha ve thefo llowing readily available:
RA dry clo th
RA screwdriver Opening
&
WARNING Risk of injury from usingthe
windshield wipers while the engine hood
is open
When the engine hood is open and the wind‐
shield wipers are set in motion, you can be
trapped bythe wiper linkage.
#Alw ays switch off the windshield wipers
and ignition before opening the engine
hood.
Breakdown assis tance 357
Page 433 of 506
Displaymessages
Possible causes/consequences and MSolutions
?
& R R O D Q W 7 R R + R W 6 W R S 9 H K L
F O H 7 X U Q ( Q J L Q H 2 I I*T
he coolant is too hot.
#St op theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could
come into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Wa it until the engine has cooled down.
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below there d area.
Display messages and warning/indicator lamps 431
Page 447 of 506
Displaymessages
Possible causes/consequences and MSolutions
$ F W L Y H + R R G 0 D O I X Q F W L R Q
6 H H 2 S H U D W R U
V 0 D Q X D O *T
he active hood (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered.
#Vi sit a qualified specialist workshop.
?
*T he engine hood is open.
&
WARNING Risk of accident if the engine hood is unlatched while driving
An unloc ked engine hood may open up when theve hicle is in motion and block your vie w.
#Never unlatch the engine hood while driving.
#Before every trip, ensure that the engine hood is latched.
#Pull over and stop theve hicle safely as soon as possible.
#Close the hood.
C
*A t least one door is open.
#Close all doors.
Displ aymessage s andwarning/indicator lamps 44
5
Page 466 of 506
Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RCoolant le velto o low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances.
#Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale:
#Consult a qualified specialist workshop.
464
Display messages and warning/indicator lamps
Page 485 of 506
Glovecompa rtment
Locking/unlo cking .............................. 103
H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 360
HANDS-FREE ACCESS ................................ 68
HANDS-FREE ACCESS
see Opening theta ilgate using your foot
Hazard warning lights ............................ .125
Head restra int ............................................ 87
Fr ont (adjusting manually) ..................... 87
Fr ont (luxury head restra int) .................. 88
Re ar (lo wering from the front) ............... 89
Re ar passenger compartment
(adjusting) ............................................ .89
Re ar passenger compartment
(removing/ins talling) ............................ .89
Head-up Display Adjusting brightness (on-board com‐
pu ter) .................................................. 225 Ad
justing display elements (on-board
compu ter) ............................................ 225
Ad justing the position (on-board
computer) ............................................ 225
Fu nction .............................................. 225
Menu (on-board compu ter) .................. 225
Using the memory function ................. 100
Head-up Display see Menu (on-board computer)
Head-up Display menu see On-board computer
Headliner (care) .......................................3 38
Heating see Climate control
High beam
Ac ti
vating/deactivating .......................1 24
High-beam flasher ................................... 124
High-beam headlamps Adaptive Highbeam Assist .................. .126
High-pressure cleaning equipment
(care) ........................................................ 334
Hill start assist ........................................ 185 HOLD function
......................................... 186
Ac tivating/deactivating .......................1 86
Fu nction/no tes ................................... 186
Hood Function (active hood) .........................3 27
Opening/closing ................................. 327
Re setting (active hood) ........................ 327
Hotspot Setting up (Wi-Fi) ................................. 250
I
Identification plate Engine .................................................3 92
Re frigerant .......................................... 399
Ve hicle ................................................ 392
Ignition Switching on (s tart/s top button) .........1 43
Ignition key
see SmartK ey
Immobilizer ................................................ 80
Indicator lamp see Warning/indicator lamps
Index 483
