186Driving and operatingConditions 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. See
Climate control chapter for more
details 3 175.
Immediately after motorway driving,
an Autostop may be inhibited.
New vehicle running-in 3 182.
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.When the engine is restarted, control
indicator D in the Driver Information
Centre extinguishes.
If the selector lever is shifted out of
neutral before depressing the clutch
pedal first, control indicator -
illuminates or is shown as a message
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.
● The stop-start system is manually deactivated.
● The bonnet is opened.
● The driver's seat belt is unfastened and the driver's door
is opened.
● The engine temperature is too low.
308IndexAAccessories and vehicle modifications .......................... 239
Activating Bluetooth music .........144
Activating phone .........................167
Activating radio ........................... 137
Activating the navigation system 150
Activating USB audio ..................144
Activating USB movie .................147
Activating USB picture ................145
Active Emergency Braking .........216
Active head restraints ...................37
Adaptive cruise control .......101, 206
AdBlue .......................... 99, 190, 285
Adjustable air vents ...................179
Airbag and belt tensioners ...........95
Airbag deactivation ................54, 96
Airbag label................................... 49 Airbag system .............................. 49
Air conditioning regular operation ................................ 180
Air conditioning system .............. 174
Air intake .................................... 180
Air vents...................................... 179
Antilock brake system ................ 196
Antilock brake system (ABS) .......97
Anti-theft alarm system ................26
Anti-theft locking system .............. 26
Appearance care ........................280
Armrest ......................................... 41Armrest storage ........................... 65
Ashtrays ....................................... 88 Audio files ................................... 143
Automatic anti-dazzle ..................30
Automatic light control ...............115
Automatic locking ........................24
Automatic transmission .............192
Autostop ..................................... 185
Auto volume................................ 134
Auxiliary heater ........................... 179
B Basic operation ........................... 131
Battery discharge protection ......123
Battery voltage ........................... 107
BlueInjection ............................... 190
Bluetooth Bluetooth connection ..............164
Bluetooth music menu ............144
Connecting device ..................143
General information ................143
Pairing ..................................... 164
Phone ...................................... 167
Bluetooth connection ..................164
Bonnet ....................................... 240
Brake and clutch fluid .................285
Brake and clutch system .............96
Brake assist ............................... 199
Brake fluid .................................. 244
Brakes ............................... 196, 244
