Mercedes-Benz 2009 SLR McLaren Roadster Automobile User Manual


 
180
Controls in detail
Automatic transmission
Upshifting
̈ Pull the right shift paddle 2
(
page 177).
or
̈ Briefly press the gear selector lever to
the right in the D+ direction.
The transmission shifts to the next
higher gear.
If the red gearshift indicator lamp >
comes on in the speedometer display
(
page 29), shift to the next higher gear.
The fuel supply will otherwise be interrupt-
ed to prevent the engine from overrevving.
Mercedes-Benz SLR McLaren Roadster
722S:
If you have selected the 722S menu
(
page 123) and
up
appears in the right
multifunction display in addition to the red
gearshift indicator lamp >, shift to the
next higher gear. The fuel supply will other-
wise be interrupted to prevent the engine
from overrevving.
Deactivating manual gearshift program
̈ Turn program mode selector switch 1
(
page 175) to the shift program C
or S.
The selected gearshift program ap-
pears in the right multifunction display.
Emergency operation
(Limp-Home Mode)
If vehicle acceleration becomes less re-
sponsive or sluggish or the transmission
no longer shifts, the transmission is most
likely operating in limp-home (emergency
operation) mode. In this mode only second
gear and reverse gear can be activated.
̈ Stop the vehicle in a safe location.
̈ Move gear selector lever to park
position P.
̈ Turn off the engine.
̈ Wait at least 10 seconds before
restarting.
̈ Restart the engine.
̈ Move gear selector lever to drive
position D (for second gear) or reverse
gear R.
̈ Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
i
When you brake or stop, the transmission
shifts down to a gear from which you can easily
accelerate or take off.
!
In the manual program mode M, the trans-
mission will not upshift, even if the engine has
reached its overrevving range. Shift up to the
next gear before the engine has reached its over-
revving range. Make absolutely certain that the
engine speed does not reach the red marking on
the tachometer (
page 28). Otherwise the en-
gine could be damaged which is not covered by
the Mercedes-Benz Limited Warranty.
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