Page 136 of 247
134Climate control
■ functionality and pressure test■ heating functionality
■ leakage check
■ check of drive belts
■ cleaning of condenser and evaporator drainage
■ performance check
Page 141 of 247

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.
Page 142 of 247

140Driving and operating
■ The stop-start system is manuallydeactivated.
■ The bonnet is opened.
■ The driver's seat belt is unfastened
and the driver's door is opened.
■ The engine temperature is too low.
■ The charging level of the vehicle battery is below a defined level.
■ The brake vacuum is not sufficient.
■ The vehicle is driven at least at walking speed.
■ The climate control system requests an engine start.
■ The air conditioning is manually switched on.
If the bonnet is not fully closed, a warning message is displayed in the
Driver Information Centre.
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop during restart might be noticeable.Parking9 Warning
■ Do not park the vehicle on an
easily ignitable surface. The
high temperature of the exhaust system could ignite the surface.
■ Always apply parking brake. Pull switch m for approx.
one second.
The electric parking brake is
applied when control indicator
m illuminates 3 96.
■ Switch off the engine.
■ If the vehicle is on a level surface or uphill slope, engage
first gear or set the selector lever to position P before removing
the ignition key. On an uphill
slope, turn the front wheels
away from the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
set the selector lever to position
P before removing the ignition
key. Turn the front wheels
towards the kerb.
■ Remove the ignition key. Turn the steering wheel until the
steering wheel lock is felt to
engage.
For vehicles with automatic
transmission, the key can only
be removed when the selector
lever is in position P.
Lock the vehicle and activate the anti-
theft alarm system.
Notice
In the event of an accident with
airbag deployment, the engine is
turned off automatically if the vehicle
comes to a standstill within a certain
time.
Page 243 of 247

241
Child restraint systems ................54
Cigarette lighter ........................... 89
Climate control ............................. 15
Climate control, service ..............133
Climate control systems .............125
Clock............................................. 86
Code ........................................... 105
Control indicators.......................... 92
Control of the vehicle .................135
Controls ........................................ 82
Controls in steering wheel ............82
Convex shape .............................. 29
Coolant ....................................... 171
Coolant and antifreeze ...............218
Coolant temperature gauge ..........91
Coupling ball bar ........................164
Cruise control ...................... 99, 150
Cupholders .................................. 61
Curtain airbag system .................. 52
Curve lighting.............................. 119
D Danger, Warnings and Cautions ...4
Dashboard .................................... 10
Daytime running light ..................117
Daytime running lights ...............119
Declaration of conformity ............236
Diesel fuel system bleeding .......176
Diesel particle filter ....................141
Door open .................................... 99Doors............................................ 25
Driver assistance systems ..........150
Driver Information Centre ...........100
Driving characteristics and towing tips .............................. 163
Driving hints ................................ 135
E Electric adjustment ......................29
Electrical system......................... 186
Electric parking brake ...........96, 147
Electric parking brake fault ...........96
Electronic climate control system 128
Electronic driving programmes ..144
Electronic Stability Control.......... 149
Electronic Stability Control and Traction Control system ...........97
Electronic Stability Control off ...... 97
End-of-life vehicle recovery .......169
Engine compartment fuse box ...187
Engine coolant ........................... 171
Engine coolant temperature gauge ....................................... 91
Engine data ............................... 225
Engine exhaust .......................... 141
Engine identification ...................221
Engine oil ................... 170, 218, 222
Engine oil pressure ......................98
Entry lighting .............................. 123
Event data recorders ..................237Exhaust gases ............................ 141
Exit lighting ................................ 123
Exterior care .............................. 214
Exterior light ................................. 99
Exterior lighting ....................12, 116
Exterior mirrors ............................. 29
F
Fault ........................................... 144
First aid ......................................... 79
First aid kit ................................... 79
Fixed air vents ........................... 133
Flex-Fix system ............................ 64
Fog light ....................................... 99
Fog lights .................... 120, 121, 180
Folding mirrors ............................. 29
Folding tray .................................. 78
Front airbag system .....................51
Front fog lights ........................... 120
Front seats.................................... 36
Front storage ............................... 63
Front turn signal light ..................176
Front turn signal lights ...............181
Fuel............................................. 156
Fuel consumption - CO 2-
Emissions ............................... 162
Fuel for diesel engines ..............156
Fuel for liquid gas operation .......157
Fuel for petrol engines ...............156
Fuel gauge ................................... 90
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