Mercedes-Benz 2007 S 550 Automobile User Manual


 
376
Controls in detail
Automatic transmission
1 Right button: upshift
2 Left button: downshift
Downshifting
̈ Briefly press button 2 on the back of
the steering wheel.
The automatic transmission will shift to
the next lower gear as permitted by the
shift program. This action simulta-
neously limits the gear range of the au-
tomatic transmission (
page 372).
Upshifting
̈ Briefly press button 1 on the back of
the steering wheel.
The automatic transmission will shift to
the next higher gear as permitted by
the shift program. This action simulta-
neously extends the gear range of the
automatic transmission.
Canceling gear range limit
̈ Press and hold button 1 on the back
of the steering wheel until the cipher
for the current gear range disappears
from the tachometer display
(
page 372).
The automatic transmission will shift
from the current gear range directly to
gear range D.
Shifting into optimal gear range
̈ Press and hold button 2 on the back
of the steering wheel.
The automatic transmission will auto-
matically select the gear range suited
for optimal acceleration and decelera-
tion. This will involve shifting down one
or more gears.
i
You cannot shift with the steering wheel
gearshift buttons when the automatic transmis-
sion in position P, N or R.
Warning! G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.
i
To avoid overrevving the engine when down-
shifting, the automatic transmission will not shift
to a lower gear if the engine’s max. speed would
be exceeded.
i
If you press on the accelerator when the en-
gine has reached its rpm limit, the automatic
transmission will upshift beyond any gear range
limit selected.