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Display transmission information, function - GF54.30-P-3023SKD

Model 171.4 with TRANSMISSION 722.9 with CODE (428) Steering wheel shift buttons 

Model 171.473 with TRANSMISSION 722.9 

Fig 1: Identifying Lower Multifunction Display
G05027842Courtesy of MERCEDES-BENZ USA

Sport program (S) or Comfort program (C) 

The lower multifunction display (A1p15) indicates the currently selected shift range "1", "2", "3", "4", "5", "6", "D" or the selector lever position "R", "N" or "P".

In addition the program selection Sport program (S) or Comfort program (C) performed at the transmission mode switch (S16/5) is displayed.

The current shift range and the currently selected program are sent to the instrument cluster (A1) by the fully integrated transmission control (VGS) control unit (Y3/8n4) via the Controller Area Network bus class C (engine compartment) (CAN-C).

Manual program (M) 

The lower multifunction display (A1p15) indicates the engaged gear "1", "2", "3", "4", "5", "6" or "7". In addition the program selection Manual program performed at the transmission mode switch (S16/5) is displayed (M).

The current shift range and the currently selected program are sent to the instrument cluster (A1) by the fully integrated transmission control (VGS) control unit (Y3/8n4) via CAN-C.

Instrument cluster (IC), location / task GF54.30-P-3039SK