Emergency Operation (Limp Home Mode) - Mercedes-Benz SLR McLaren Operator's Manual

Upshifting
!
In the manual program mode M, the
transmission will not upshift, even if
the engine has reached its overrevving
range. Shift up to the next gear before
the engine has reached its overrevving
range. Make absolutely certain that the
engine speed does not reach the red
marking on the tachometer
( page 28). Otherwise the engine
could be damaged which is not covered
by the Mercedes-Benz Limited
Warranty.
Press the button 2 ( page 174) on
the right side of the steering wheel.
or
Briefly press the gear selector lever to
the right in the D+ direction.
The transmission shifts to the next
higher gear.
The current gear selector position ap-
pears in the right multifunction display
( page 117).
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.
Deactivating manual gearshift program
Turn program mode selector switch 1
( page 173) to the C or S setting.
The selected gearshift program ap-
pears in the right multifunction display.
Controls in detail
Automatic transmission
Emergency operation
(Limp Home Mode)
If vehicle acceleration worsens or the
transmission no longer shifts, the trans-
mission 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.
Move gear selector lever to P.
Turn off the engine.
Wait at least ten seconds before
restarting.
Restart the engine.
Move gear selector lever to position D
(for second gear) or R.
Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
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