Page 109 of 201
Driving and operating107Ignition switch positionsSt=Ignition offA=Steering wheel lock released,ignition offM=Ignition on, for diesel engine:
preheatingD=StartingStarting the engine
Manual transmission: operate clutch.
Manual transmission automated:
operate brake; transmission
automatically shifts to N.
Do not accelerate.
Turn the key to position M for
preheating, until control indicator N
extinguishes from the Driver
Information Centre.
Turn key to position D and release.
The increased engine speed
automatically returns to normal idling
speed as the engine temperature
rises.
Start attempts should not last longer
than 15 seconds. If engine does not
start, wait 15 seconds before
repeating starting procedure. If
necessary, depress accelerator
before repeating starting procedure.
Before restarting or to switch off the
engine, turn key back to St.
During an Autostop, the engine can be started by depressing the clutch
pedal. Stop-start system 3 108.
Page 111 of 201

Driving and operating109
The engine will be switched off while
the ignition stays on if the required conditions are met.
An Autostop is indicated when Ï
illuminates green in the instrument
cluster.
During an Autostop, the brake
performance will be maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled,
otherwise an Autostop will be
inhibited.
■ The stop-start system is not manually deactivated
■ the bonnet is fully closed
■ the driver's door is closed or the driver's seat belt is fastened
■ the vehicle battery is sufficiently charged and in good condition
■ the engine is warmed up
■ the engine coolant temperature is not too high
■ the ambient temperature is not too low
■ the defrosting function is not activated
■ the climate control system does not
inhibit an Autostop
■ the brake vacuum is sufficient
■ the vehicle has moved since the last Autostop
■ the diesel particle filter self- cleaning function is in progress
An Autostop may be less available as
the ambient temperature approaches
freezing point.Certain settings of the climate control system may inhibit an Autostop. See
Climate control chapter for further
information 3 94.
Immediately after motorway driving
an Autostop may be inhibited.
Autostop may also be inhibited
temporarily if the vehicle battery has
been recharged by an external
source.
New vehicle running-in 3 106.
Vehicle battery discharge protection
To ensure reliable engine restarts, several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
Restart of the engine by the
driver
Depress the clutch pedal to restart the
engine. If the selector lever has been
shifted out of N or other conditions are
not met, start using the ignition key.
Control indicator Ï will extinguish in
the instrument cluster when the
engine is restarted.
Page 198 of 201

196
HHand brake - see Parking brake. 119
Hazard warning flashers ..............89
Headlight flash ............................. 88
Headlight range adjustment ........88
Headlights ...................... 87, 88, 140
Headlights when driving abroad ..88
Head restraint adjustment .............8
Head restraints ............................ 35
Heated mirrors ............................. 31
Heated rear window ..................... 33
Heating ........................................ 40
Heating and ventilation system ...94
High beam ............................. 82, 88
Horn ....................................... 13, 69
I
Identification plate .....................171
Idle speed control ......................108
Ignition switch positions .............107
Immobiliser .................................. 29
Indicators ...................................... 73
Information displays...................... 83
Instrument cluster ........................73
Instrument panel fuse box .........149
Instrument panel illumination .....147
Instrument panel overview ........... 10
Instrument panel storage .............60
Interior care ............................... 165Interior lighting.............................. 90
Interior lights ........................ 90, 146
Interior mirrors .............................. 31
Interruption of power supply ......117
Introduction .................................... 3
ISOFIX child restraint systems ....59
J Jack ............................................ 150
Jump starting ............................. 160
K Keys ............................................. 18
Keys, locks ................................... 18
L
Lashing eyes ............................... 63
Light covers, misted...................... 90
Lighting ......................................... 87
Light switch .................................. 87
Load compartment lighting ..........91
Loading information .....................66
Low fuel ....................................... 81
M Malfunction indicator light ............79
Manual adjustment ......................30
Manual anti-dazzle ......................31
Manual mode ............................. 116
Manual transmission .................. 113Manual transmission automated 114
Manual windows ..........................32
Messages ..................................... 83
Mirror adjustment ........................... 8
Mirrors .................................... 30, 31
Misted light covers .......................90
N New vehicle running-in ..............106
Number plate light .....................146
O
Object detection systems ...........124
Octane rating .............................. 174
Odometer ..................................... 73
Oil ............................................... 134
Oil, engine .......................... 168, 173
Oil level ......................................... 74
Oil pressure .................................. 81
Outside temperature ....................70
Overcab storage ..........................62
Overhead console .......................62
Overrun cut-off ........................... 108
P Parking ................................ 17, 110
Parking assist ............................ 124
Parking brake ............................ 119
Particulate filter ........................... 112
Performing work ........................133