266Vehicle careA detected low tyre pressure
condition is indicated by the control
indicator w 3 110.
If w illuminates, stop as soon as
possible and inflate the tyres as
recommended 3 301.
Ensure that vehicle loading status
matches selected tyre pressure.
Vehicle loading status, see below in
this chapter.
After inflating, some driving may be
required to update the tyre pressure
values in the Driver Information
Centre. During this time w may
continue to illuminate.
If w illuminates at lower temperatures
and extinguishes after some driving,
this could be an indicator for
approaching a low tyre pressure
condition. Check tyre pressure.
Vehicle messages 3 124.
Only mount wheels with pressure
sensors, otherwise the tyre pressure
will not be displayed and w
illuminates continuously.
A spare wheel or temporary spare
wheel is not equipped with pressure
sensors. The tyre pressuremonitoring system is not operational
for these wheels. Control indicator w
illuminates. For the further three
wheels the system remains
operational.
The use of commercially available
liquid tyre repair kits can impair the
function of the system. Factory-
approved repair kits can be used.
Operating electronic devices or being
close to facilities using similar wave
frequencies could disrupt the tyre
pressure monitoring system.
Each time the tyres are replaced tyre
pressure monitoring system sensors
must be dismounted and serviced.
For the screwed sensor replace valve core and sealing ring, for clipped
sensor replace complete valve stem.
Use only original plastic valve caps to
protect valve on any damage.Caution
Do not use metal valve caps as
they lead to valve oxidation and
damage.
Vehicle loading status
Adjust tyre pressure to load condition
according tyre information label or
tyre pressure chart 3 301, and select
the appropriate setting in the Tyre
loading page under the Settings
menu in the Driver Information Centre 3 113. This setting determines the
reference pressures for the tyre
pressure warnings.
Depending on the display, the menu
Tyre loading only appears if the
vehicle is at a standstill and the
parking brake is applied. On vehicles
with automatic transmission the
selector lever must be in P.
268Vehicle care9Warning
The use of unsuitable tyres or
wheels may lead to accidents and will invalidate the vehicle
operating permit.
Wheel covers
Wheel covers and tyres that are
factory approved for the respective
vehicle and comply with all of the
relevant wheel and tyre combination
requirements must be used.
If the wheel covers and tyres used are
not factory approved, the tyres must
not have a rim protection ridge.
Wheel covers must not impair brake
cooling.
9 Warning
Use of unsuitable tyres or wheel
covers could lead to sudden
pressure loss and thereby
accidents.
Vehicles with steel wheels: When
using locking wheel nuts, do not
attach wheel covers.
Tyre chains
Tyre chains are only permitted on the
front wheels.
Always use fine mesh chains that add no more than 10 mm to the tyre tread
and the inboard sides (including chain lock).
9 Warning
Damage may lead to tyre blowout.
Tyre chains are only permitted on
tyres of size 215/60 R16, 215/55 R17 ,
225/55 R17 M+S and 235/45 R18.
Temporary spare wheel
The use of tyre chains is not permitted on the temporary spare wheel.
Tyre repair kit
Minor damage to the tyre tread can be
repaired with the tyre repair kit.
Do not remove foreign bodies from
the tyres.
Tyre damage exceeding 4 mm or that is at tyre's side wall cannot be
repaired with the tyre repair kit.9 Warning
Do not drive faster than 80 km/h.
Do not use for a lengthy period.
Steering and handling may be
affected.
Vehicle care273Replace the used sealant bottle.
Dispose of the bottle as prescribed
by applicable laws.
The compressor and sealant can be
used from approx. -30 °C.
The adapters supplied can be used
to pump up other items e.g.
footballs, air mattresses, inflatable
dinghies etc. They are located on the underside of the compressor. To
remove, screw on compressor air
hose and withdraw adapter.
Wheel changing
Some vehicles are equipped with a
tyre repair kit instead of a spare wheel
3 268.
Make the following preparations and
observe the following information:
● Park the vehicle on a level, firm and non-skid surface. The front
wheels must be in the straight-
ahead position.
● Apply the parking brake and engage first gear, reverse gear or
P .
● Remove the spare wheel 3 275.● Never change more than one
wheel at once.
● Use the jack only to change wheels in case of puncture, not
for seasonal winter or summer
tyre change.
● The jack is maintenance-free. ● If the ground on which the vehicle
is standing is soft, a solid board
(max. 1 cm thick) should be
placed under the jack.
● Take heavy objects out of the vehicle before jacking up.
● No people or animals may be in the vehicle when it is jacked-up.
● Never crawl under a jacked-up vehicle.
● Do not start the vehicle when it is
raised on the jack.
● Clean wheel nuts and thread with
a clean cloth before mounting the wheel.9 Warning
Do not grease wheel bolt, wheel
nut and wheel nut cone.
1. Disengage wheel nut caps with a screwdriver and remove.
Steel wheels with cover: Pull off
the wheel cover.
Alloy wheels: Disengage wheel
nut caps with a screwdriver and
remove. To protect the wheel,
place a soft cloth between the
screwdriver and the alloy wheel.
2. Fold out the wheel wrench and install ensuring that it locates
securely and loosen each wheel
nut by half a turn.
The wheels might be protected by
locking wheel nuts. To loosen
these specific nuts, first attach the
276Vehicle careanticlockwise and remove the
spare wheel.
Under the spare wheel there is the box with vehicle tools.
3. When, after a wheel change, no wheel is placed in the spare wheel
well, secure the tool box by
turning right back the wing nut and
close the floor cover.
4. After wheel change back to full size wheel, place the spare wheel
outside up in the well and secure
with the wing nut.
Stowing the replaced full size
wheel in the spare wheel well
Secure a damaged full size wheel
facing upwards with the wing nut in
the spare wheel well after mounting
an extension bolt on the thread bolt.
The extension bolt is stowed with the
vehicle tools 3 262. To secure the
wheel:
1. Stick the extension bolt onto the thread bolt.
2. Store the damaged wheel outside
up in the spare wheel well and
secure it by turning the wing nut
clockwise on the extension bolt.
9 Warning
Storing a jack, a wheel or other
equipment in the load
compartment could cause injury if they are not fixed properly. During
a sudden stop or a collision, looseequipment could strike someone.
Store wheel, jack and tools always
in the original storage location and secure them by fixing.
Temporary spare wheel
Caution
The use of a spare wheel that issmaller than the other wheels or in combination with winter tyres
could affect driveability. Have the defective tyre replaced as soon as
possible.
Only mount one temporary spare
wheel. Do not drive faster than
80 km/h. Take curves slowly. Do not use for a long period of time.
If your vehicle gets a flat tyre on the
rear while towing another vehicle,
mount the temporary spare wheel in the front and the full tyre in the rear.
Tyre chains 3 268.
Vehicle care277Spare wheel with directional tyreFit directional tyres such that they rollin the direction of travel. The rolling
direction is indicated by a symbol
(e.g. an arrow) on the sidewall.
The following applies to tyres fitted
opposing the rolling direction:
● Driveability may be affected. Have the defective tyre renewed
or repaired as soon as possible
and fit it instead of the spare
wheel.
● Drive particularly carefully on wet
and snow-covered road
surfaces.Jump starting
Do not start with quick charger.
A vehicle with a discharged vehicle
battery can be started using jump
leads and the vehicle battery of
another vehicle.9 Warning
Be extremely careful when starting
with jump leads. Any deviation
from the following instructions can
lead to injuries or damage caused
by battery explosion or damage to the electrical systems of both
vehicles.
9 Warning
Avoid contact of the battery with
eyes, skin, fabrics and painted
surfaces. The fluid contains
sulphuric acid which can cause
injuries and damage in the event
of direct contact.
● Never expose the vehicle battery
to naked flames or sparks.
● A discharged vehicle battery can already freeze at a temperature
of 0 °C. Defrost the frozen battery before connecting jump leads.
● Wear eye protection and protective clothing when
handling a battery.
● Use a booster battery with the same voltage (12 Volts). Its
capacity (Ah) must not be much less than that of the discharged
vehicle battery.
● Use jump leads with insulated terminals and a cross section of
at least 16 mm 2
(25 mm 2
for
diesel engines).
● Do not disconnect the discharged
vehicle battery from the vehicle.
● Switch off all unnecessary electrical consumers.
● Do not lean over the vehicle battery during jump starting.
● Do not allow the terminals of one
lead to touch those of the other
lead.
Service and maintenance285driving at high altitude and large
variations of temperature. Under
these severe operating conditions, certain service work may be required
more frequently than the regular service interval.
The international service intervals are
valid for the countries which are not
listed in the European service
intervals.
Service display 3 105.
Confirmations Confirmation of service is recorded inthe Service and Warranty Booklet.
The date and mileage is completed
with the stamp and signature of the
servicing workshop.
Make sure that the Service and
Warranty Booklet is completed
correctly as continuous proof of
service is essential if any warranty or
goodwill claims are to be met, and is
also a benefit when selling the
vehicle.Service interval with remaining
engine oil life duration
The service interval is based on
several parameters depending on
usage.
The service display lets you know
when to change the engine oil.
Service display 3 105.Recommended fluids,
lubricants and parts
Recommended fluids andlubricants
Only use products that meet the
recommended specifications.9 Warning
Operating materials are
hazardous and could be
poisonous. Handle with care. Pay
attention to information given on
the containers.
Engine oil
Engine oil is identified by its quality
and its viscosity. Quality is more
important than viscosity when
selecting which engine oil to use. The oil quality ensures e.g. engine
cleanliness, wear protection and oil
aging control, whereas viscosity
grade gives information on the oil's
thickness over a temperature range.
317Child restraints.............................. 63
Child restraint systems ................63
Climate control ............................. 16
Clock............................................. 92
Collision damage repair ..............310
Control indicators........................ 106
Control of the vehicle .................162
Controls ........................................ 88
Convex shape .............................. 36
Coolant and antifreeze ...............285
Cruise control ....................112, 187
Cupholders .................................. 72
Curtain airbag system .................. 61
Curve lighting.............................. 139
D Danger, Warnings and Cautions ...4
Daytime running lights ...............139
Declaration of conformity ............308
DEF ............................................ 171
Diesel exhaust fluid ....................171
Diesel fuel system bleeding .......246
Diesel particle filter ....................169
Door open .................................. 112
Doors ............................................ 27
Driver assistance systems ..........187
Driver Information Centre ...........113
Driving characteristics and towing tips .............................. 235
Driving hints ................................ 162E
Electric adjustment ......................36
Electrical system......................... 257
Electric parking brake .........108, 180
Electric parking brake fault .........108
Electronic climate control system 152
Electronic key system ...................20
Electronic Stability Control.......... 183
Electronic Stability Control and Traction Control system ..........109
Electronic Stability Control off..... 109
End-of-life vehicle recovery .......240
Engine compartment fuse box ...258
Engine coolant ........................... 243
Engine coolant temperature ......110
Engine coolant temperature gauge ..................................... 105
Engine data ............................... 293
Engine exhaust .......................... 169
Engine identification ...................289
Engine oil ................... 242, 285, 290
Engine oil pressure ....................110
Entry lighting .............................. 146
Event data recorders ..................313
Exit lighting ................................ 146
Exterior care .............................. 280
Exterior light ............................... 111
Exterior lighting ....................13, 135
Exterior mirrors ............................. 36F
First aid kit ................................... 83
Fixed air vents ........................... 159
Fog light ..................................... 111
Fog lights ................................... 250
Folding mirrors ............................. 36
Following distance ......................109
Following distance indication ......201
Forward collision alert................. 198
Front airbag system .....................60
Front fog lights ........................... 143
Front pedestrian protection ........205
Front seats.................................... 46
Front storage ................................ 73
Fuel............................................. 230
Fuel consumption - CO 2-
Emissions ............................... 234
Fuel for diesel engines ..............231
Fuel for petrol engines ...............230
Fuel gauge ................................. 104
Funnel......................................... 232
Fuses ......................................... 257
G Gauges ....................................... 102
Gear shifting ............................... 109
General information ...................235
Glovebox ..................................... 72
318HHalogen headlights ....................248
Hand brake ................................. 179
Hazard warning flashers ............142
Headlight flash ........................... 138
Headlight range adjustment ......138
Headlights................................... 135
Headlights when driving abroad 138
Head restraint adjustment .............8
Head restraints ............................ 44
Head-up display.......................... 122 Heated mirrors ............................. 37
Heated rear window ..................... 41
Heated steering wheel .................89
Heated windscreen .......................41
Heating .................................. 52, 54
High beam ......................... 111, 136
High beam assist ................111, 136
Hill start assist ........................... 182
Horn ....................................... 14, 89
I
Identification plate .....................288
Immobiliser .......................... 35, 111
Indicators .................................... 102
Inductive charging ........................95
Info display ................................. 120
Information displays.................... 113
Instrument cluster ........................97
Instrument panel fuse box .........260Instrument panel illumination .....256
Instrument panel illumination control .................................... 144
Instrument panel overview ........... 10
Interactive driving system ...........184
Interior care ............................... 282
Interior lighting ............................ 144
Interior lights ...................... 144, 256
Interior mirrors .............................. 38
Introduction .................................... 3
J
Jump starting ............................. 277
K
Key, memorised settings ..............22
L Lane change alert .......................216
Lane keep assist ................109, 228
Lashing eyes ............................... 80
LED headlights ...........111, 139, 250
Lighting features .........................146
Light switch ................................ 135
Load compartment ................27, 74
Load compartment cover .............77
Loading information .....................85
Low fuel ..................................... 111M
Malfunction indicator light ..........108
Manual anti-dazzle ......................38
Manual seat adjustment ...............47
Manual transmission .................. 178
Massage ....................................... 53
Memorised settings ......................22
Midlevel display .......................... 113
Mirror adjustment ........................... 8
Misted light covers .....................144
N
New vehicle running-in ..............162
Number plate light .....................256
O Object detection systems ...........207
Odometer ................................... 103
Oil, engine .......................... 285, 290
OnStar ........................................ 130
Outside temperature ....................92
Overrun cut-off ........................... 165
P Panoramic view system ..............218
Parking ................................ 19, 168
Parking assist ............................ 207
Parking brake ............................ 180
Parking lights ............................. 143
Particulate filter ........................... 169
Pedestrian detection ...................112