Trailer turn signal lightsRead and observe
on page 30 first.
flashes – the trailer turn signal lights are switched on.
If a trailer is hitched and the warning light
is not flashing, one of the trailer
turn signal lights has failed.
▶ Check the trailer bulbs.
Fog lights
Read and observe
on page 30 first.
illuminates – the fog lights are switched on.
Speed regulating system / speed limiter
Read and observe
on page 30 first.
illuminates - the vehicle speed is limited by the speed regulating system
and/or the adaptive cruise control or by the speed limiter.
flashes – the speed set with the speed limiter has been exceeded.
Brake pedal (automatic transmission)
Read and observe
on page 30 first.
lights up – apply the brake.
Main beam
Read and observe
on page 30 first.
lights up – the main beam or the headlight flasher is switched on.
Automatic gearbox
Read and observe
on page 30 first.
Gearbox overheated
The warning light is only shown in the MAXI DOTdisplay.
Illumi-
nates
Gearbox overheated. You can drive on.GEARBOX OVERHEATED
The gearbox is overheated, which continued driving is possible with appropri-
ately cautious style of driving.
Illumi-
nates
Gearbox overheated. Stop! Log book!STOP VEHICLE GEARBOX OVERHEAT
▶ Do not continue to drive! Stop the vehicle and turn off the engine.
You can continue your journey as soon as the warning light disappears.
▶ If the warning light does not go out,
do not continue driving! Seek help
from a specialist garage.
Transmission problem
The warning light is only shown in the MAXI DOTdisplay.
Illumi-
nates
Gearbox faulty. Stop the vehicle safely!GEARBOX FAULTY WORKSHOP
▶ Park the vehicle,
stop driving! . Seek help from a specialist garage.
Illumi-
nates
Gearbox in emergency mode. No reverse gear.GEARBOX ERROR REV_ GEAR NOT AVAIL Illumi-
nates
Error: gearbox. Speed is limited.GEARBOX ERROR
▶ Continued driving is possible with appropriate caution. Seek assistance from
a specialist garage immediately.
Rear seat belt warning light
Read and observe
on page 30 first.
lights up – a rear seat belt is not fastened.
lights up – a rear seat belt is fastened.
When the seat belt is fastened/unfastened, the particular light lights up briefly
and indicates the current belt status!
Generator
Read and observe
on page 30 first.
lights up – the battery is not being charged whilst the engine is running.
34Using the system
Fuse arrangement in the engine compartmentFig. 189
Fuses
Read and observe and on page 153 first.
No.Power consumer1Radiator fan2Glow plug system3ABS or ESC4Additional electrical heating, heated windscreen5Additional electrical heating, heated windscreen6Automatic gearbox7Engine control system8Windscreen wipers9Battery data module10ABS or ESC11Not assigned12Injectors, valve for fuel metering, control valve for fuel pressure13Brake pedal switch14Fuel pump, radiator fan, cooling pump, pump intercooling15Engine control system, voltage stabiliser for taxi vehicles16Starter17Engine control system18Additional electric heater, valve for intake manifold, wastegate, oil
temperature, valve for activated charcoal filter, valve for oil pressure
controlNo.Power consumer19Lambda probe20Glow plug system, crankcase ventilation heater
Bulbs
Introduction
This chapter contains information on the following subjects:
Bulb arrangement in the front headlights
157
Replacing the bulb for the side light (Halogen headlights)
157
Changing the bulb for main beam, separate daytime running lights, and
parking light
157
Changing the bulb for the front turn signal light
158
Changing light bulbs for fog lights
159
Changing the bulb for the licence plate light
159
Removing/installing taillights
160
Replacing the bulbs in the taillight assembly
160
We recommend having bulbs replaced by a specialist garage or seeking other
expert help in the event of any uncertainties.
▶ Switch off the ignition and all of the lights before replacing a bulb.
▶ Faulty bulbs must only be replaced with the same type of bulbs. The designa-
tion is located on the light socket or the glass bulb.
We recommend having the headlight settings checked by a specialist garage after replacing a bulb in the low, high or fog beam.
In the case of failure of a Xenon gas discharge bulb or an LED diode, visit a
specialist garage.
WARNING■ Always read and observe the warning notes before completing any work
in the engine compartment » page 128.■
Accidents can be caused if the road in front of the vehicle is not suffi-
ciently illuminated and the vehicle cannot or can only be seen with difficul-
ty by other road users.
156Do-it-yourself
WARNING (Continued)■H7 and H15 bulbs are pressurised and may burst when changing the bulb -
risk of injury! We therefore recommended wearing gloves and safety
glasses when changing a bulb.■
Do not carry out any work on the Xenon gas discharge lamps - risk of
death!
CAUTION
■ Do not take hold of the glass bulb with naked fingers (even the smallest
amount of dirt reduces the working life of the light bulb). Use a clean cloth,
napkin, or similar.■
The cap of the filament bulb must always be seated correctly in the head-
light, otherwise this may allow water and debris to enter the headlight - risk of
damage to the headlights.
Note
■ This Owner's Manual only describes the replacement of bulbs where it is pos-
sible to replace the bulbs on your own without any complications arising. Other
bulbs must be replaced by a specialist garage.■
We recommend that a box of replacement bulbs always be carried in the ve-
hicle.
Bulb arrangement in the front headlights
Fig. 190
Left headlight
Read and observe and on page 156 first.
Bulb arrangement » Fig. 190
Low beam or low beam with Xenon gas discharge lamp
Main beam, separate daytime running lights, and parking light
Turn signal light (at the front)
ABCReplacing the bulb for the side light (Halogen headlights)Fig. 191
Changing the bulb for the low beam
Read and observe
and on page 156 first.
›
Remove the protective cap
A
» Fig. 190 on page 157 .
›
Remove the socket with the bulb by jiggling it out in the direction of arrow
1
» Fig. 191 .
›
Remove the connector.
›
Insert the connector with the new bulb in the direction of arrow
2
so that
the fixing lug
A
fits the bulb into the recess on the reflector.
›
Attach the connector.
›
Fit the protective cap
A
» Fig. 190 on page 157 .
Changing the bulb for main beam, separate daytime running
lights, and parking light
Fig. 192
Replacing the bulb for main
beam and separate daytime run-
ning lights
157Fuses and light bulbs
Fig. 193
Change the light bulb for the parking light
Read and observe
and on page 156 first.
Replacing the bulb for main beam and separate daytime running lights
›
Remove the protective cap
B
» Fig. 190 on page 157 .
›
Pull the holder until it stops in the arrow direction
1
» Fig. 192 .
›
Remove the socket with the bulb in the direction of arrow
2
.
›
Change the bulb in the socket.
›
Insert the socket with the new bulb into the headlight in the opposite direc-
tion to the arrow
2
.
›
Turn the socket with the new bulb in the opposite direction to the arrow
1
until it stops.
›
Fit protective cap
B
» Fig. 190 on page 157 Insert.
Remove / insert the bulb for parking light
›
Remove the protective cap
B
» Fig. 190 on page 157 .
›
Remove the bulb holder with the bulb by jiggling it out in the direction of the
arrow
1
» Fig. 193 .
›
Grasp the pedestal with the light bulb in the region
A
.
›
Remove the faulty bulb from the holder in the direction of the arrow
2
.
›
Insert a new bulb in the bulb holder up to the stop.
›
Replace the bulb holder in the headlamp with the bulb.
›
Fit protective cap
B
» Fig. 190 on page 157 Insert.
Changing the bulb for the front turn signal lightFig. 194
Changing the bulb for the front
turn signal light
Read and observe and on page 156 first.
›
Turn the socket with the bulb in the direction of arrow
1
» Fig. 194 .
›
Remove the socket with the bulb in the direction of arrow
2
.
›
Change the bulb in the socket.
›
Insert the socket with the new bulb into the headlight in the opposite direc-
tion to the arrow
2
.
›
Turn the socket with the new bulb in the opposite direction to the arrow
1
until it stops.
158Do-it-yourself
Changing light bulbs for fog lightsFig. 195
Remove the number plate light / replace the bulb
Read and observe
and on page 156 first.
Remove the protective grille and headlight
›
Insert the clamps for removing the full wheel trims into opening
A
» Fig. 195 .
›
Pull the hook in the direction of arrow
1
to remove the protective grille in
the direction of arrow
2
» Fig. 195 .
›
Unscrew the screws
B
with the screwdriver from the tool kit.
›
With the key
2
» page 141 , Vehicle tool kit , unlock the locking
C
in direction
of arrow
3
.
›
Remove the headlight in the direction of arrow
4
.
Replacing the light bulb
›
Press the latch on the connector in the direction of arrow
5
» Fig. 195 .
›
Remove the key in the direction of the arrow
6
.
›
Turn the socket with the bulb to the stop in the direction of the arrow
7
.
›
Remove the socket with the bulb in the direction of arrow
8
.
›
Insert the new bulb into the headlight and turn counter to the direction of
arrow
7
as far as the stop.
›
Attach the connector.
Refit the headlight and grille›Replace the fog light by inserting it in the opposite direction of the arrow 4
» Fig. 195 and tightening.
›
Insert the guard and push it gently until it locks into place.
Changing the bulb for the licence plate light
Fig. 196
Remove / replace the bulb for the number plate light
Read and observe
and on page 156 first.
›
Push the light in the direction of arrow
1
» Fig. 196 until it comes loose.
›
Swivel out the lamp in the direction of the arrow
2
and remove it.
›
Remove the faulty bulb from the holder in the direction of the arrow
3
.
›
Insert a new bulb into the holder.
›
Reinsert the lamp in the opposite direction to the arrow
1
.
›
Push on the light until the spring clicks into place.
Note
On vehicles with license plate light, a specialist should be consulted in the
event of an LED failure.159Fuses and light bulbs
Gear changeGear recommendation38
Information on the selected gear38
Gear changing Gear stick
91
Genuine parts119
Glasses compartment72
GPS See Owner´s Manual -Infotainment
6
H
Handbrake
90
Warning light30
Hazard warning light system57
HBA98
Headrests65
Heating82
Air distribution control84
Mirrors62
Seats66
Windscreen and rear window59
Help in an emergency8
HHC98
Hill Start Assist (HHC)98
Hitch111
Hooks77
Horn27
I
Ignition lock
87
Images See Owner´s Manual -Infotainment
6
Immobiliser86
In an emergency Changing a wheel
141
Inertia reels14
Information about the towing process148
Information system37
Auto Check Control37
Door alarm37
Gear recommendation38
MAXI DOT display41
Multifunction display39
Service interval display42
Infotainment6
Instrument cluster28
See instrument cluster28
Warning lights29
interior light58
Interior lighting58
Interior monitor50
iPad holder74
ISOFIX22, 23
J
Jack
141
Jacking points Raise vehicle
144
Jump-starting147
K
KESSY Unlocking/locking
47
key Switch on/off ignition
87
Key Change battery
150
Lock46
Starting / stopping the engine87
Unlock46
L
Lamp failure Warning light
36
Lamps Warning light
36
LEAVING HOME56
Lever Cruise control
104
Front Assist108
Operation of the information system39
Speed regulating system105
Turn signal/main beam55
Windscreen wipers60, 61
Light Automatic driving light control
55
Beam range adjustment54
Cockpit57
COMING HOME / LEAVING HOME56
Daytime running lights54
Driving abroad57
Flash55
Fog lights/rear fog light56
Fog lights with the CORNER function56
Hazard warning light system57
Headlight cleaning system61
Low beam54
Parking light54, 57
Replacing bulbs156
Switching on/off54
Turn signal/main beam55
Light bulbs Replacing
156
Lighting Interior lighting
57
Luggage compartment75
Lights53
Warning lights29
Load163
Lock Individual settings
48
Key46
Locking Central locking button
47
in case of emergency151
KESSY47
Remote control46
172Index