140Driving and operatingThe engine will be switched off while
the ignition stays on.
An Autostop is indicated by the
needle at the AUTOSTOP position in
the tachometer.
During an Autostop, the heating
performance, power steering and
brake performance will be
maintained.
Conditions for an Autostop
The stop-start system checks if each
of the following conditions is fulfilled:
● 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 engine exhaust temperature is not too high, e.g. after driving
with high engine load.
● The ambient temperature is above -5 °C.
● The climate control system allows an Autostop.
● The brake vacuum is sufficient.
● The self-cleaning function of the exhaust filter is not active.
● The vehicle was driven at least at
walking speed since the last
Autostop.
Otherwise an Autostop will be
inhibited.
Certain settings of the climate control
system may inhibit an Autostop.
Climate control 3 128.Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 134.
Vehicle battery discharge protection To ensure reliable engine restarts,
several battery discharge protection
features are implemented as part of
the stop-start system.
Power saving measures
During an Autostop, several electrical
features such as auxiliary electric
heater or rear window heating are
disabled or switched into a power
saving mode. The fan speed of the
climate control system is reduced to
save power.
Restart of the engine by the driver Depress the clutch pedal to restart the
engine.
The engine start is indicated by the
needle at the idle speed position in
the tachometer.
If the selector lever is shifted out of
neutral before depressing the clutch
first, - with a message is shown in
the Driver Information Centre.
246IndexAAccessories and vehicle modifications .......................... 180
Adaptive forward lighting .....96, 120
AdBlue .................................. 95, 144
Adjustable air vents ...................131
Airbag and belt tensioners ...........92
Airbag deactivation ................52, 93
Airbag label................................... 47 Airbag system .............................. 47
Air conditioning regular operation ................................ 132
Air conditioning system .............. 128
Air intake .................................... 132
Air vents...................................... 131
All-wheel drive ........................... 150
Antilock brake system ................ 151
Antilock brake system (ABS) .......94
Anti-theft alarm system ................31
Anti-theft locking system .............. 31
Appearance care ........................218
Automatic anti-dazzle ..................35
Automatic light control ...............117
Automatic locking ........................29
Automatic transmission .............146
Autostop ..................................... 139
Auxiliary heater ........................... 131B
Battery discharge protection ......126
Battery voltage ........................... 105
Bicycle rack .................................. 61
BlueInjection ............................... 144
Bonnet ....................................... 182
Brake and clutch fluid .................222
Brake and clutch system .............93
Brake assist ............................... 152
Brake fluid .................................. 185
Brakes ............................... 151, 185
Breakdown.................................. 216
Bulb replacement ....................... 188
C Capacities .................................. 234
Catalytic converter .....................143
Central locking system ................25
Centre console storage ...............61
Changing tyre and wheel size ...206
Charging system .......................... 93
Child locks ................................... 30
Child restraint installation locations ................................... 56
Child restraints.............................. 53
Child restraint systems ................53
Climate control ............................. 16
Climate control systems .............127
Clock............................................. 81
Code ........................................... 104