Mercedes-Benz 2012 B Class - Manual (Page 145)

Changing gear
The automatic transmission shifts to the
individual gears automatically when it is in
transmission position
D. This automatic
gearshifting behavior is determined by:
R
the selected drive program ( Y page 143)
R
the position of the accelerator pedal
R
the road speed
Driving tips
Holding the vehicle stationary on uphill
gradients
G
WARNING
If the clutch overheats, the electronic
management system is automatically
deactivated. This interrupts the power
transmission. The vehicle may, for example,
roll backwards on gradients. There is a risk of
an accident.
Never hold the vehicle stationary on uphill
gradients by depressing the accelerator.
The clutch may overheat if you hold the
vehicle stationary on uphill gradients by
depressing the accelerator pedal. If the clutch
overheats, a warning tone sounds. The
Stop
Vehicle Shift to P Leave Engine
Running display message appears in the
multifunction display. You will only be able to
continue your journey once the clutch has
cooled down and the display message in the
multifunction display has disappeared.
Never hold the vehicle stationary on uphill
gradients by depressing the accelerator.
Instead, only ever hold the vehicle stationary
on uphill gradients by:
R
depressing the brake pedal
R
activating the HOLD function
R
engaging the electric parking brake
Kickdown
Use kickdown for maximum acceleration:
X Depress the accelerator pedal beyond the
pressure point.
The automatic transmission shifts to a
lower gear depending on the engine speed.
X Ease off the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up.
Rocking the vehicle free
Shifting the transmission repeatedly between
gears
D and R may help to free the vehicle if
it has become stuck in slush or snow. The
vehicle's engine management system limits
the speed to a maximum of 5 mph (9 km/h)
when shifting back and forth. To shift back
and forth between transmission positions
D
and R, move the selector lever up and down
beyond the pressure point.
Program selector button
General notes
The program selector button allows you to
choose between drive programs with
different driving characteristics.
Example: program selector button
Automatic transmission
143
Driving and parking
Z