Interrupt control (sprung position)
Activate ACC (control deactivated)
B
Take control again
a)
/ Increase speed
C
Launch control / reduce speed
a)
If no speed stored, the current speed is adopted.
After starting the system, the current speed is stored and the instrument clus-
ter lights up the warning light
.
After the interruption in control, the stored speed can be resumed by pressing
the
B
button.
Automatic control interruption
Automatic control interruption occurs if any of the following conditions are
met.
›
By pressing the brake or clutch pedal.
›
When one of the brake assist systems (e.g. ESC) intervenes.
›
Through an airbag deployment.
WARNING
■
Always deactivate the cruise control system after use to prevent the sys-
tem being switched on unintentionally.
■
Control may only be resumed if the stored speed is not too high for the
current traffic conditions.
Note
During control, speed can be increased by pressing the accelerator pedal. Re-
leasing the accelerator pedal will cause the speed to drop again to the set
speed.
START-STOP
Introduction
This chapter contains information on the following subjects:
Operating conditions of the system 150
Operation in vehicles with manual gearbox 151
Operation in vehicles with automatic gearbox 151
System related automatic start-up 152
Manually deactivating/activating the system 152
Information messages 152
The START-STOP system (hereinafter referred to as the system) saves fuel and
reduces polluting emissions and CO
2
emissions by turning the engine off, e.g.
when stopping at traffic lights, and starting the engine again when moving off.
WARNING
■
Never let the vehicle roll with the engine switched off.
■
The brake servo unit and power steering only operate if the engine is run-
ning.
Operating conditions of the system
Fig. 137
Maxi DOT display: Engine is auto-
matically switched off / automat-
ic engine cut off is not possible
Read and observe on page 150 first.
For system-dependent automatic engine shutdown
to work, the following conditions must be met.
The driver's door is closed.
The driver has fastened the seat belt.
The bonnet is closed.
The driving speed was higher than 4 km.h after the last stop.
No trailer is coupled.
Some additional conditions for the system to function correctly cannot be in-
fluenced or recognised by the driver. Therefore, the system can react differ-
ently in situations which are identical from the driver's perspective.
If after stopping the car, the message START-STOP NOT POSSIBLE appears in
the segment display or the
» Fig. 137 check mark appears in the MAXI DOT
display, then the conditions for automatic engine shutdown are not met.
150
Driving
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