Mercedes-Benz 2009 SLK 300, Operator'S Manual

Page: 108 / 364

Automatic transmission
106
X
Shift the automatic transmission from cur-
rent gear
1
into the next higher gear.
The fuel supply will otherwise be inter-
rupted to prevent the engine from overrev-
ving.
Downshifting
G
Warning!
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced vehi-
cle control. Your vehicle’s ABS will not pre-
vent this type of loss of control.
X
Briefly press the gear selector lever to the
left in the
D- direction.
or
X
Briefly pull left gearshift control
1
(
Y
page 103).
The automatic transmission shifts into the
next lower gear.
i For maximum acceleration, press and
hold the gear selector lever to the left in the
D- direction or pull and hold the left gear-
shift control. Depending on the engine
speed the automatic transmission selects
the optimal gear for maximum accelera-
tion.
i When you brake or stop, the automatic
transmission shifts down into a gear from
which you can easily accelerate or take off.
Kickdown
Using the kickdown when driving in manual
program mode
M is not possible.
Deactivating manual shift program
X
Press the program mode selector switch
repeatedly until
C
or
S
appears in the mul-
tifunction display.
or
X
Restart the engine.
The automatic transmission will go to auto-
matic program mode (
C or S).
Manual program mode
M is not stored.
Emergency operation (limp-home
mode)
If vehicle acceleration becomes less respon-
sive or sluggish or the automatic transmission
no longer shifts, the automatic transmission
is most likely operating in limp-home (emer-
gency 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.
Controls in detail