162Driving 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 and
brake performance will be
maintained.
Caution
The power steering assist may be
reduced during an Autostop.
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 3 152.
Immediately after motorway driving,
an Autostop may be inhibited.
New vehicle running-in 3 159.
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.
300IndexAAccessories and vehicle modifications .......................... 224
Active Emergency Braking .........192
Active head restraints ...................37
Adaptive cruise control .......116, 182
Adaptive forward lighting ..115,
142, 234
AdBlue ........................ 114, 166, 270
Adjustable air vents ...................156
Airbag and belt tensioners .........110
Airbag deactivation ..............58, 111
Airbag label................................... 54
Airbag system .............................. 54
Air conditioning regular operation ................................ 157
Air conditioning system .............. 151
Air intake .................................... 157
Air vents...................................... 156
Antilock brake system ................ 173
Antilock brake system (ABS) .....112
Anti-theft alarm system ................27
Anti-theft locking system .............. 26
Appearance care ........................265
Armrest ......................................... 42
Armrest storage ........................... 69
Ashtrays ..................................... 103
Automatic anti-dazzle ..................31
Automatic light control ...............139
Automatic locking ........................24Automatic transmission .............169
Autostop ..................................... 161
Auxiliary heater ........................... 156
B Battery discharge protection ......149
Battery voltage ........................... 126
Bicycle rack .................................. 70
BlueInjection ............................... 166
Bonnet ....................................... 225
Brake and clutch fluid .................270
Brake and clutch system ...........111
Brake assist ............................... 175
Brake fluid .................................. 229
Brakes ............................... 173, 229
Breakdown.................................. 263
Bulb replacement ....................... 232
C Capacities .................................. 286
Cargo management system ........88
Car Pass ...................................... 21
Catalytic converter .....................165
Central locking system ................22
Centre console lighting ..............148
Centre console storage ...............70
Changing tyre and wheel size ...252
Charging system ........................ 111
Child locks ................................... 25
Child restraint installation locations ................................... 62
