Driving and operating139
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 defrost selection does not inhibit an Autostop.
■ 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.
An Autostop may become less
available as the ambient temperature
approaches the freezing point.
Certain settings of the climate control
system may inhibit an Autostop. See
" Climate control " chapter for further
information 3 128.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 136.
Vehicle battery discharge protection
To ensure reliable engine restarts,
several vehicle 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 aredisabled 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, control indicator - illuminates
or is shown as a symbol in the Driver Information Centre.
Control indicator - 3 96.
Restart of the engine by the
stop-start system
The selector lever must be in neutral
to enable an automatic restart.
If one of the following conditions occurs during an Autostop, the
engine will be restarted automatically by the stop-start system.
240IndexAAccessories and vehicle modifications .......................... 168
Active head restraints ..................35
Adaptive brake light ....................146
Adaptive forward lighting ..........
.................................. 99, 119, 179
Adjustable air vents ...................132
Airbag and belt tensioners ...........94
Airbag deactivation ................53, 95
Airbag label................................... 48 Airbag system .............................. 48
Air conditioning regular operation ................................ 133
Air conditioning system .............. 126
Air intake .................................... 133
Air vents...................................... 132
Alert ............................................ 108
Antifreeze ................................... 171
Antilock brake system ................ 146
Antilock brake system (ABS) .......96
Anti-theft alarm system ................27
Anti-theft locking system .............. 27 Appearance care ........................214
Armrest ................................... 39, 42
Armrest storage ........................... 63
Ashtrays ....................................... 89
Automatic anti-dazzle ..................30
Automatic light control ...............117Automatic locking ..................24, 99
Automatic transmission .............142
Auxiliary heater .......................... 132
B Battery discharge protection ......124
Battery voltage ........................... 108
Belts.............................................. 44 Bicycle rack .................................. 64
Bonnet ....................................... 170
Brake and clutch fluid .................218
Brake and clutch system .............96
Brake assist ............................... 148
Brake fluid .................................. 173
Brakes ............................... 146, 173
Breakdown.................................. 212
Bulb replacement ....................... 176
C Capacities .................................. 232
Car Pass ...................................... 19
Catalytic converter .....................142
Central locking system ................21
Centre console lighting ..............123
Changing tyre and wheel size ...198
Charging system .......................... 95
Child locks ................................... 25
Child restraint installation locations ................................... 57
Child restraints.............................. 54
