128Driving 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 diesel particle 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. See
Climate control chapter for more
details 3 118.Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 125.
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.
226IndexAAccessories and vehicle modifications .......................... 164
Adaptive forward lighting .....88, 110
Adjustable air vents ...................122
Airbag and belt tensioners ...........84
Airbag deactivation ................48, 84
Airbag label................................... 43 Airbag system .............................. 43
Air conditioning regular operation ................................ 123
Air conditioning system .............. 118
Air intake .................................... 123
Air vents...................................... 122
All-wheel drive ........................... 135
Antilock brake system ................ 136
Antilock brake system (ABS) .......85
Anti-theft alarm system ................26
Anti-theft locking system .............. 26
Appearance care ........................202
Automatic anti-dazzle ..................30
Automatic light control ...............108
Automatic locking ........................24
Automatic transmission .............131
Autostop ..................................... 127
Auxiliary heater ........................... 122
B Battery discharge protection ......116
Battery voltage ............................. 96Bicycle rack .................................. 57
Bonnet ....................................... 165
Bonnet open ................................. 89
Brake and clutch fluid .................206
Brake and clutch system .............85
Brake assist ............................... 137
Brake fluid .................................. 169
Brakes ............................... 136, 169
Breakdown.................................. 200
Bulb replacement ....................... 172
C Capacities .................................. 217
Catalytic converter .....................131
Central locking system ................22
Centre console storage ...............57
Centre high-mounted brake light 177
Changing tyre and wheel size ...190
Charging system .......................... 85
Child locks ................................... 25
Child restraint installation locations ................................... 50
Child restraints.............................. 49
Child restraint systems ................49
Climate control ............................. 16
Climate control systems .............117
Clock ............................................ 76
Code ............................................. 94
Collision damage repair ..............222
Control indicators.......................... 81
