Mercedes Benz 2009 M-Class User Manual
197
Controls in detail
Automatic transmission
Upshifting
왘
Briefly press right shift button
2
(
컄
page 194).
The transmission shifts to the next
higher gear.
higher gear.
If you have selected the AMG menu in the
control system and you are driving in the
manual program mode M, upshift
indicator
control system and you are driving in the
manual program mode M, upshift
indicator
2 in the multifunction display
advises you to upshift before the engine
reaches the overspeed range. Thus you
can drive at the maximum engine speed for
each gear without overrevving the engine.
reaches the overspeed range. Thus you
can drive at the maximum engine speed for
each gear without overrevving the engine.
1 Gear indicator
2 Upshift indicator
2 Upshift indicator
왘
Shift to the next higher gear.
The fuel supply will otherwise be inter-
rupted to prevent the engine from over-
revving.
rupted to prevent the engine from over-
revving.
Downshifting
왘
Briefly press left shift button
1
(
컄
page 194).
The transmission shifts to the next
lower gear.
lower gear.
i
The manual program mode M will not be
stored. When the engine is turned off with the
manual program mode M selected, the transmis-
sion will go to the automatic program mode
(C or S) when the engine is restarted.
manual program mode M selected, the transmis-
sion will go to the automatic program mode
(C or S) when the engine is restarted.
!
In the manual program mode M, the trans-
mission will not upshift, even if the engine has
reached its overrewing range. Shift up to the
next gear before the engine has reached its over-
rewing range. Make absolutely certain that the
engine speed does not reach the red marking on
the tachometer (
reached its overrewing range. Shift up to the
next gear before the engine has reached its over-
rewing range. Make absolutely certain that the
engine speed does not reach the red marking on
the tachometer (
컄
page 28). Otherwise the en-
gine could be damaged which is not covered by
the Mercedes-Benz Limited Warranty.
the Mercedes-Benz Limited Warranty.
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
When you brake or stop, the transmission
shifts down to a gear from which you can easily
accelerate or drive off.
accelerate or drive off.