Electrical function diagram for Distronic (DTR) - PE30.30-U-2050-99MAA

Code:	Designation:	Position:
1	Far range radar sensor, signal	1 A
2	DISTRONIC, request	1 A
3	Instrument cluster, message	1 A
4	Engine torque, increase request	1 A
5	Engine torque, reduce request	1 A
6	Shift stage, request	1 A
7	Gear range, status	1 A
8	Accelerator pedal, status	1 A
A1	Instrument cluster	1 A
A89	DTR control unit	1 A
CAN C	Engine compartment CAN	1 A
CAN C	Engine compartment CAN	1 A
CAN C	Engine compartment CAN	1 A
CAN C	Engine compartment CAN	1 A
CAN H	Vehicle dynamics CAN	1 A
N3/10	ME-SFI [ME] control module	1 A
N3/9	CDI control module	1 A
N47-5	ESP control module	1 A
N80	Steering column module	1 A
S40	CC switch	1 A
U127	Valid for engine 272, engine 273 KE	1 A
U152	Valid for engine 156	1 A
U880	Valid for engine 642	1 A
U932	Valid for engine 642 BLUETEC	1 A
Y3/8	Electric control unit (VGS)	1 A

Fig 1: Distronic (DTR) - Communication Diagram

Courtesy of MERCEDES-BENZ USA