Mercedes-Benz Black Series Operator's Manual page 122

AMG SPEEDSHIFT DCT 7-speed sports transmission
120
You can also deactivate temporary manual
drive program yourself:
Pull on the right-hand steering wheel
X
paddle shifter and hold it in place
( page 117).
Y
or
Turn the drive program selector
X
( page 116).
Y
Temporary manual drive program is
deactivated.
Display for downshift override
You cannot shift down with the left steering
wheel paddle shifter if the engine speed
would be too high due to a downshift. If you
then pull the left steering wheel paddle
shifter, both red segments : light up briefly.
i
In temporary manual drive program, the
automatic transmission automatically
shifts up in order to prevent engine
damage. The segments in the upshift
indicator are thus deactivated. Further
information on the upshift indicator
( page 120).
Y
Manual drive program
i
In manual drive program M, the
transmission shift and response times are
significantly shorter with sportier and more
aggressive gear changes.
In manual drive program M, you need to
change gear yourself using the steering wheel
paddle shifters ( page 117). The
Y
transmission only shifts down automatically
at low engine speeds depending on the
respective gear.
! In manual drive program M, the
transmission does not shift up
automatically even when the engine
limiting speed for the current gear is
reached. When the engine limiting speed is
reached, the fuel supply is cut to prevent
the engine from overrevving. Always make
sure that the engine speed does not reach
the red area of the tachometer and observe
the upshift indicator. There is otherwise a
risk of engine damage.
To activate manual drive program M:
X
turn the drive program selector switch until
M appears in the multifunction display of
the instrument cluster.
M lights up in red on the drive program
selector switch.
To deactivate manual drive program
X
M: turn the drive program selector switch
and select another drive program.
Upshift indicator
The upshift indicator is a four-stage display
designed to assist you in sporty driving.
The upshift indicator allows you to recognize
the ideal shift point for dynamic acceleration.
White segments : and yellow segment ;
light up in succession from left to right.