GF27.10-P-0001-06AHM Automatic Transmission (AT), Transmission Modes

GF27.10-P-0001-06AHM Automatic transmission (AT), transmission modes
- TRANSMISSION 722.904/906/999
- as of model year 09

Component Identification:

Gear indicator in instrument cluster in sport transmission mode "S" and comfort transmission mode "C"
It shows the driver the shift range currently selected "1, 2, 3, 4, 5, 6" or the selector lever position "P, R, N, D".

Gear indicator in instrument cluster in manual "M" transmission modes
It shows the driver the engaged gear "1, 2, 3, 4, 5, 6, 7" or the selector lever position "P, R, N".

Transmission mode display in instrument cluster
Indicates to the driver the program selectionS16/5) program selection Comfort "C", Sport "S" or manual "M" (except code 494 USA version) performed at the transmission mode switch. The data come via the engine compartment-CAN (CAN C) from the fully integrated transmission control unit (VGS) (Y3/8n4) and from the electronic selector lever module control unit (N15/5).

6 different functions can be selected via the selector lever and 3 different transmission modes at the transmission mode switch.

Selector lever positions
"P" Park lock and start position
"R" Reverse gear
"N" Neutral and start position (no power transmission, vehicle can move freely)
"D" Drive (all 7 forward gears are available)

Upshifting and downshifting
Upshifting and downshifting takes place via the selector lever or via the steering wheel gear shifter PLUS (S111/1) and steering wheel gear shifter MINUS (S110/1).

Press +: Upshift by one gear at a time. The shift range is expanded simultaneously in transmission modes "C" and "S".
Press and hold: Direct change to gear range "D".
Press -: Downshift by one gear at a time. The shift range is limited simultaneously in transmission modes "C" and "S".
Press and hold: The transmission changes into a shift range from which the vehicle can be accelerated or slowed down favorably.

Transmission mode switch
The following transmission modes can be selected:

Comfort transmission mode "C"
Starting off always in 2nd gear except in 1st gear range. The gear changes take place at lower engine speed.

Sport transmission mode "S"
Starting off in 1st gear for all driving situations.

Manual transmission mode "M"
Direct gear selection by means of the selector lever or steering wheel gear shifter MINUS and steering wheel gear shifter PLUS.

When kick-down is actuated the upshifts and downshifts take place as in transmission mode Sport "S".