Page 121 of 189

Driving and operating119correct distance indication in the
upper part of these vehicles
cannot be guaranteed.
Objects with a very small reflection
cross-section, e.g. objects of
narrow size or soft materials, may
not be detected by the system.
Parking assist systems do not
detect objects outside the
detection range.
Lane departure warning
The lane departure warning system
observes the lane markings between
which the vehicle is driving via a front camera. The system detects lane
changes and warns the driver in the
event of an unintended lane change
via visual and acoustic signals.
Criteria for the detection of an
unintended lane change are:
● No operation of turn lights.
● No brake pedal operation.
● No active accelerator operation or speeding-up.
● No active steering.
If the driver is performing these
actions, no warning will be issued.
Activation
The lane departure warning system isactivated by pressing ). The
illuminated LED in the button
indicates that the system is switched
on. When control indicator ) in the
instrument cluster illuminates green, the system is ready to operate.
The system is only operable at
vehicle speeds above 35 mph and if lane markings are available.
When the system recognises an
unintended lane change, control
indicator ) changes to yellow and
flashes. Simultaneously a chime
sound is activated.
Deactivation
The system is deactivated by
pressing ), the LED in the button
extinguishes.
At speeds below 35 mph the system
is inoperable.
Fault
The lane departure warning system may not operate properly when:
● The windscreen is not clean.
● There are adverse environmental
conditions e.g. heavy rain, snow,
direct sunlight or shadows.
Page 143 of 189
Vehicle care141After having changed defective fuses
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunction may occur.
Instrument panel fuse box
The fuse box is located on the driver's
side behind a cover in the instrument
panel.
To open the compartment, compress
the locking tabs, fold cover down and
remove.
No.Circuit1Onstar2Air conditioning system3Instrument cluster4Transmission control module5Infotainment6–7Rear parking assist8Data link connection9Electric steering column lock10Sensing and Diagnostic module11DC transformer12–13–14Linear power module15Central locking system/Ignition
system16Ignition system
Page 144 of 189
142Vehicle careNo.Circuit17–18Instrument cluster19–20Headlight range adjustment21Power windows, front22Power windows, rear23–24–25Auxiliary power outlet26Sunroof27Central gateway module28Body control module 829Body control module 730Body control module 631Body control module 532Body control module 433Body control module 3No.Circuit34Body control module 235Body control module 136–37Steering wheel control LED38–39Logistic/DC transformer40Power window, driver41Blower42Seat heating, front43Air conditioning module44Heated steering wheel45–Vehicle tools
Tools
Vehicles without spare
The vehicle tools are in the
compartment under the floor cover in
the load compartment.
Page 163 of 189

Vehicle care161Wheels and tyresDo not use high-pressure jet
cleaners.
Clean rims with a pH-neutral wheel
cleaner.
Rims are painted and can be treated
with the same agents as the body.
Paintwork damage Rectify minor paintwork damage with
a touch-up pen before rust forms.
Have more extensive damage or rust areas repaired by a workshop.
Underbody Some areas of the vehicle underbody
have a PVC undercoating while other
critical areas have a durable
protective wax coating.
After the underbody is washed, check
the underbody and have it waxed if
necessary.
Bitumen / rubber materials could
damage the PVC coating. Have
underbody work carried out by a
workshop.Before and after winter, wash the
underbody and have the protective
wax coating checked.
Interior care
Interior and upholstery Only clean the vehicle interior,
including the instrument panel fascia
and panelling, with a dry cloth or
interior cleaner.
Clean the leather upholstery with
clear water and a soft cloth. In case of
heavy soiling, use leather care.
The instrument cluster and the
displays should only be cleaned using
a soft damp cloth. If necessary use a
weak soap solution.
Clean fabric upholstery with a
vacuum cleaner and brush. Remove
stains with an upholstery cleaner.
Clothing fabrics may not be
colourfast. This could cause visible
discolourations, especially on light-
coloured upholstery. Removable
stains and discolourations should be
cleaned as soon as possible.Clean seat belts with lukewarm water or interior cleaner.Caution
Close Velcro fasteners as open
Velcro fasteners on clothing could damage seat upholstery.
The same applies to clothing with
sharp-edged objects, like zips or
belts or studded jeans.
Plastic and rubber parts
Plastic and rubber parts can be
cleaned with the same cleaner as
used to clean the body. Use interior cleaner if necessary. Do not use any
other agent. Avoid solvents and petrol in particular. Do not use high-
pressure jet cleaners.
Page 185 of 189

183DDanger, Warnings and Cautions ...4
Daytime running lights .................89
Declaration of conformity ............173
Door open .................................... 73
Doors ............................................ 23
Driver assistance systems ..........115
Driver Information Centre .............73
Driving hints ................................ 102
E Electric adjustment ......................26
Electrical system......................... 138
Electronic climate control system 97
Electronic Stability Control.......... 113
Electronic Stability Control and Traction Control system ............70
Electronic Stability Control off....... 70
End-of-life vehicle recovery .......125
Engine compartment fuse box ...139
Engine coolant ........................... 128
Engine coolant temperature ........71
Engine coolant temperature gauge ....................................... 64
Engine data ............................... 169
Engine exhaust .......................... 108
Engine identification ...................166
Engine oil ................... 127, 163, 167
Engine oil pressure ......................71
Event data recorders ..................178Exit lighting .................................. 92
Exterior care .............................. 159
Exterior light ................................. 72
Exterior lighting ......................12, 88
Exterior mirrors ............................. 26
F
First aid ......................................... 55
First aid kit ................................... 55
Fixed air vents ........................... 101
Folding mirrors ............................. 26
Front airbag system .....................41
Front doors ................................... 23
Front fog lights ...............72, 90, 134
Front seats.................................... 33
Front turn lights .......................... 134
Fuel............................................. 120
Fuel for petrol engines ...............120
Fuel gauge ................................... 63
Fuses ......................................... 138
G Gauges ......................................... 62
Gear shifting ................................. 70
Glovebox ..................................... 50
H Halogen headlights ....................132
Hand brake ......................... 110, 111
Hazard warning flashers ..............89
Headlight flash ............................. 88Headlight range adjustment ........89
Headlights..................................... 88
Headlights when driving abroad ..89
Head restraint adjustment .............8
Head restraints ............................ 32
Heated mirrors ............................. 27
Heated rear window ..................... 30
Heated steering wheel .................58
Heating ........................................ 35
Heating and ventilation system ...94
High beam ............................. 72, 88
Hill start assist ........................... 111
Horn ....................................... 13, 59
I
Identification plate .....................166
Ignition switch positions .............103
Immobiliser ............................ 25, 72
Indicators ...................................... 62
Info Display ................................... 78
Information displays...................... 73
Instrument cluster ........................62
Instrument panel fuse box .........141
Instrument panel illumination .....137
Instrument panel illumination control ...................................... 91
Instrument panel overview ........... 10
Interior care ............................... 161
Interior lighting .............................. 91
Interior lights ........................ 92, 137