Operation Manual

Steering wheel gearshift control
i
You cannot shift with the steering wheel
gearshift control when the automatic
transmission is in park position P, neutral
position N, or reverse gear R.
Limiting gear range
G
Warning!
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.
X
Briefly pull left gearshift control :.
The automatic transmission will shift into
the next lower gear as permitted by the
shift program. This action simultaneously
limits the gear range of the automatic
transmission.
i
To avoid overrevving the engine when
downshifting, the automatic transmission
will not shift into a lower gear if the engine’s
maximum speed would be exceeded.
Extending gear range
X
Briefly pull right gearshift control ;.
The automatic transmission will shift into
the next higher gear as permitted by the
shift program. This action simultaneously
extends the gear range of the automatic
transmission.
i
If you press on the accelerator pedal
when the engine has reached the
revolution limit of the current gear range,
the automatic transmission will upshift
beyond any gear range limit selected.
Canceling gear range limit
X
Pull and hold right gearshift control ; until
the gear range indicator disappears from
the multifunction display.
The automatic transmission will shift from
the current gear range directly into drive
position D.
Shifting into optimal gear range
X
Pull and hold left gearshift control :.
The automatic transmission will select the
gear range suited for optimal acceleration
and deceleration automatically. This will
involve shifting down one or more gears.
Emergency operation (limp-home
mode)
If vehicle acceleration becomes less
responsive or sluggish or the automatic
transmission no longer shifts, the automatic
transmission is most likely operating in limp-
home (emergency operation) mode. In this
mode only second gear and reverse gear R
can be selected.
X
Stop the vehicle in a safe location.
X
Shift the automatic transmission into park
position P.
X
Turn off the engine.
X
Wait at least 10 seconds before restarting.
X
Restart the engine.
X
Shift the automatic transmission into drive
position D (for second gear) or reverse gear
R.
X
Have the automatic transmission checked
at an authorized Mercedes-Benz Center as
soon as possible.
Automatic transmission
121
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1
2009-03-23T09:22:52+01:00 - Seite 121
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