194Driving and operatingCaution
Do not use fuel or fuel additives
that contain metallic compounds
such as manganese-based
additives. This may cause engine
damage.
Caution
Use of fuel that does not comply to EN 228 or E DIN 51626-1 or
equivalent can lead to deposits or
engine damage.
Caution
Use of fuel with a lower octane
rating than the lowest possible
rating could lead to uncontrolled combustion and engine damage.
The engine specific requirements
regarding octane rating are given in
the engine data overview 3 249. A
country-specific label at the fuel filler
flap can supersede the requirement.
In certain countries, the use of a
particular fuel, e.g. a specific octane
rating, may be required to ensure
proper engine operation.
Fuel additives outside Europe Fuel should contain detergent
additives that help prevent engine
and fuel system deposits from
forming. Clean fuel injectors and
intake valves will allow the emission
control system to work properly.
Some fuel does not contain sufficient
quantities of additive to keep fuel
injectors and intake valves clean.
To make up for this lack of
detergency, add Fuel System
Treatment PLUS to the fuel tank at
every engine oil change or every
10,000 km, whichever occurs first. It
is available at your workshop.
Fuels containing oxygenates such as
ethers and ethanol, as well as
reformulated fuel, are available in
some cities. If these fuels comply with
the previously described
specification, then they are
acceptable to use. However, E85
(85% ethanol) and other fuelscontaining more than 15% ethanol
must be used only in FlexFuel
vehicles.Caution
Do not use fuel containing
methanol. It can corrode metal
parts in the fuel system and also
damage plastic and rubber parts.
This damage would not be
covered by the vehicle warranty.
Some fuels, mainly high octane
racing fuels, can contain an octane
enhancing additive called
methylcyclopentadienyl manganese
tricarbonyl (MMT). Do not use fuels or fuel additives with MMT as they can
reduce spark plug life and affect
emission control system
performance. The malfunction
indicator light Z may illuminate 3 95.
If this occurs, seek the assistance of
a workshop.
218Vehicle careNo.Circuit22Heated windscreen26Additional Heater / Heated
windscreen
After having changed defective fuses,
close the fuse box cover and lock it.
If the fuse box cover is not closed
correctly, malfunction may occur.
Instrument panel fuse box
In left-hand drive vehicles, the fuse
box is behind a cover in the
instrument panel at the left side. Open
the cover and remove it by pressing
the lock.
In right-hand drive vehicles, the fuse
box is located behind a cover in the
glovebox. Open the glovebox and
remove the cover.
Depending on the version, different
instrument panel fuse boxes are
available:
No.Circuit1Electronic key system / Anti-
theft alarm system4Stop-start system5Advanced parking assist /
Camera / Transmission control
module7Amplifier8Rear wiper10Central locking system11Central locking system
Vehicle care219No.Circuit13Anti-theft alarm system16Electrical power steering wheel18OnStar21Interior lights22Glovebox light23Blind spot alert system / Exterior
mirror adjustment / Inductive
charging24Column electrical assembly25Interior mirror26Seat belt reminder27Camera / Rain sensor / Auto‐
matic light control28USB / Infotainment31Airbag33Power outlet front36InfotainmentNo.Circuit1Interior mirror / Electrical power
steering wheel / Selective ride
control / Radar / Diesel exhaust
system3Trailer provisions control
module4Horn5Windscreen washer6Windscreen washer7Power outlet rear10Doors lock / Tailgate lockNo.Circuit11Doors lock / Tailgate lock12Stop-start system / Diagnostic
connector module / Brake
system13Infotainment / Climate control
system14Alarm siren15Climate control system16Stop-start system / Brake
system17Instrument cluster19Column electrical assembly /
Steering wheel controls21Anti-theft alarm system22Camera / Rain sensor / Auto‐
matic light control23Seat belt reminder24Automatic transmission /
Advanced parking assist /
Panoramic view system
Vehicle care221Vehicles with audio speaker system
The towing eye and the chocks are
located in a box below the floor cover in the load compartment.
Tyre repair kit 3 225.
Wheels and tyres
Tyre condition, wheel condition Drive over edges slowly and at right
angles if possible. Driving over sharp
edges can cause tyre and wheel
damage. Do not trap tyres on the kerb when parking.
Regularly check the wheels for
damage. Seek the assistance of a
workshop in the event of damage or
unusual wear.
Winter tyres
Winter tyres improve driving safety at temperatures below 7 °C and should
therefore be fitted on all wheels.
In accordance with country-specific
regulations, affix the speed sticker in
the driver's field of view.
All tyre sizes are permitted as winter
tyres 3 254.Tyre designations
E.g. 225/55 R 18 98 V225:tyre width, mm55:cross-section ratio (tyre height
to tyre width), %R:belt type: RadialRF:type: RunFlat18:wheel diameter, inches98:load index e.g. 98 is equivalent
to 750 kgV:speed code letter
Speed code letter:
Q:up to 160 km/hS:up to 180 km/hT:up to 190 km/hH:up to 210 km/hV:up to 240 km/hW:up to 270 km/h
Choose a tyre appropriate for the
maximum speed of your vehicle.
The maximum speed is achievable at kerb weight with driver (75 kg) plus
125 kg payload. Optional equipment
could reduce the maximum speed of
the vehicle.
Performance 3 250.
228Vehicle care
16. Continue driving immediately sothat sealant is evenly distributed
in the tyre. After driving approx.
5 km but no more than ten
minutes, stop and check tyre
pressure. Screw compressor air
hose directly onto tyre valve when
doing this. Fill tyre as described
before. Drain excess tyre
pressure with the button on the air
hose.
If tyre pressure hasn't decreased
under 150 kPa (1.5 bar), set it to
the correct value. Otherwise the
vehicle must not be used. Seek
assistance of a workshop. 3 254
Repeat the checking procedure
once more after driving further
10 km but no more than ten
minutes to check that there is no
more loss of pressure.
If the tyre pressure has fallen
below 150 kPa (1.5 bar), the
vehicle must not be used. Seek
the assistance of a workshop.
17. Stow away tyre repair kit in load compartment.
Note
The driving characteristics of the repaired tyre are severely affected,
therefore have this tyre replaced.
If unusual noise is heard or the
compressor becomes hot, turn
compressor off for at least 30 min.
The built-in safety valve opens at a
pressure of 700 kPa (7 bar).
Note the expiry date of the kit. After
this date its sealing capability is no
longer guaranteed. Pay attention to
storage information on sealant
bottle.Replace the used sealant bottle. Dispose of the bottle as prescribed
by applicable laws.
The compressor and sealant can be used from approx. -30 °C.
Wheel changing
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.
● If necessary, place a chock under
the wheel diagonally opposite the
wheel to be changed.
● Apply the parking brake and engage first gear, reverse gear orP .
● 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.
Vehicle care235
Screw in the towing eye as far as it will
go until it stops in a horizontal
position.
Attach a tow rope – or better still a tow
rod – to the towing eye.
The towing eye must only be used for towing and not for recovering the
vehicle.
Switch on ignition to release steering
wheel lock and to permit operation of
brake lights, horn and windscreen
wiper.
Switch the selector lever to neutral.
Release the parking brake.
Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
When the engine is not running,
considerably more force is needed to
brake and steer.
To prevent the entry of exhaust gases from the towing vehicle, switch on the
air recirculation and close the
windows.
Vehicles with automatic transmission: The vehicle must be towed facing
forwards, not faster than 80 km/h nor further than 100 km. In all other cases
and when the transmission is
defective, the front axle must be
raised off the ground.
Seek the assistance of a workshop.
After towing, unscrew the towing eye.
Insert cap with the flange into the
recess and fix cap by pushing.
Towing another vehicle
Remove the cap.
The towing eye is stowed with the
vehicle tools 3 220.
266Index.................................................... 221
A Accessories and vehicle modifications .......................... 202
Active emergency braking ..100, 171
Active head restraints ...................46
Adaptive cruise control .......100, 163
AdBlue .................................. 98, 144
Adjustable air vents ...................132
Advanced parking assist ............178
Airbag and belt tensioners ...........95
Airbag deactivation ................61, 95
Airbag label................................... 56 Airbag system .............................. 56
Air conditioning regular operation ................................ 133
Air conditioning system .............. 125
Air intake .................................... 133
Air vents...................................... 132
Antilock brake system ................ 151
Antilock brake system (ABS) .......97
Anti-theft alarm system ................35
Anti-theft locking system .............. 35
Appearance care ........................236
Armrest ................................... 51, 52
Ashtrays ....................................... 88 Automatic anti-dazzle ..................39
Automatic light control ...............115
Automatic locking ........................28Automatic transmission .............148
Autostop ............................... 99, 140
Auxiliary heater ........................... 132
B Battery discharge protection ......123
Battery voltage ........................... 105
BlueInjection ............................... 144
Bonnet ....................................... 204
Brake and clutch fluid .................242
Brake and clutch system .............96
Brake assist ............................... 154
Brake fluid .................................. 207 Brakes ............................... 151, 207
Breakdown.................................. 234
Bulb replacement ....................... 210
C Capacities .................................. 252
Catalytic converter .....................144
Central locking system ................24
Centre console lighting ..............123
Centre console storage ...............70
Changing tyre and wheel size ...224
Charging system .......................... 95
Child locks ................................... 29
Child restraint installation locations ................................... 65
Child restraints.............................. 62
Child restraint systems ................62
Cigarette lighter ........................... 87
267Climate control ............................. 16
Climate control systems .............124
Clock............................................. 84
Collision damage repair ..............258
Control indicators.......................... 94
Control of the vehicle .................135
Controls ........................................ 80
Convex shape .............................. 38
Coolant and antifreeze ...............242
Cruise control ....................100, 158
Cupholders .................................. 69
Curtain airbag system .................. 60
Curve lighting.............................. 116
D Danger, Warnings and Cautions ...4
Daytime running lights ...............116
Declaration of conformity ............255
DEF ............................................ 144
Deflation detection system ...........98
Diesel exhaust fluid ....................144
Diesel fuel system bleeding .......209
Diesel particle filter ...............98, 143
Door open .................................. 101
Doors ............................................ 30
Driver alert .................................. 192
Driver assistance systems ..........158
Driver Information Centre ...........101Driving characteristics and
towing tips .............................. 197
Driving hints ................................ 135
E Electric adjustment ......................38
Electrical system......................... 216
Electric parking brake ...96, 151, 152
Electric parking brake fault ...........96
Electronic climate control system 127
Electronic driving programmes ..149
Electronic key system ...................23
Electronic Stability Control and Traction Control system ....97, 155
End-of-life vehicle recovery .......204
Engine compartment fuse box ...217
Engine coolant ........................... 206
Engine coolant temperature ........97
Engine coolant temperature gauge ....................................... 92
Engine data ............................... 249
Engine exhaust .......................... 143
Engine identification ...................245
Engine oil ................... 205, 242, 246
Engine oil level monitor ................92
Engine oil pressure ......................98
Entry lighting .............................. 123
Event data recorders ..................261
Exit lighting ................................ 123
Exterior care .............................. 236Exterior light ................................. 99
Exterior lighting ....................13, 114
Exterior mirrors ............................. 38
F
Fault ........................................... 150
First aid ......................................... 76
First aid kit ................................... 76
Fixed air vents ........................... 133
Fog light ..................................... 100
Fog lights ................................... 211
Folding mirrors ............................. 38
Forward collision alert................. 169
Front airbag system .....................59
Front fog lights ........................... 120
Front pedestrian protection ........174
Front seats.................................... 46
Fuel............................................. 193
Fuel for diesel engines ..............195
Fuel for petrol engines ...............193
Fuel gauge ................................... 92
Fuses ......................................... 216
G Gauges ......................................... 90
Gear shifting ................................. 97
General information ...................197
Glass panel .................................. 43
Glovebox ..................................... 69
Glovebox cooler ......................... 133