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Home >> Mercedes Benz >> 2009 >> S550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical -- OEM Wiring Diagrams -- S-Class (221) >> Wiring Diagrams >> Wiring diagram, special vehicle multifunction control unit (SVMCU [MSS]) - PE54.21-P-2105-99SAA

Wiring diagram, special vehicle multifunction control unit (SVMCU [MSS]) - PE54.21-P-2105-99SAA

Code:  Designation:  Position: 
A0 Explanation of color codes 40 L
A49 Two-way radio 2K
A49/5 Radio data transmission keyboard 4K
A50 Taximeter 19L
A50/2 Credit card reader and printer 14L
A67 Interior rearview mirror unit 9K
EMM Roof symbol light 27 L
E42/1 Roof sign on roof antenna 29 L
F5/1 Taxi power supply fuse box 1 22 H
F5/1f1 Fuse 1 22 G
F5/2 Taxi power supply fuse box 2 23 H
F5/2f1 Fuse 1 23 G
N26/9 Special vehicle multifunction control module (SVMCM [MSS]) 5A
N26/9 Special vehicle multifunction control module (SVMCM [MSS]) 11 A
N26/9 Special vehicle multifunction control module (SVMCM [MSS]) 19A
N26/9 Special vehicle multifunction control module (SVMCM [MSS]) 28 A
N26/9 Special vehicle multifunction control module (SVMCM [MSS]) 35 A
N82/1 Vehicle power supply control module 22 L
R44 Emergency alarm signal button resistor 35 L
R45 Emergency alarm system cancel button resistor 36 L
S62/5 Emergency alarm system cancel button 38 L
S62/6 Emergency alarm system activate button 34 L
U900 Further line routing not clarified at time of publication 25 G
W19 Ground (right front seat crossmember) 12H
W19 Ground (right front seat crossmember) 20 F
W19 Ground (right front seat crossmember) 34 E
W19 Ground (right front seat crossmember) 37 H
X1/44 Taxi peripherals separation point 11 L
X30/33 Right interior CAN/FFS [RBA] voltage distributor connector 31 L
X40 Roof sign light intermediate connector 26 J
X40/2 International roof sign separation point 25 L
X40/3 Roof sign on roof antenna separation point 28 J
X42/8 Emergency alarm system/trigger button connector 33 J
Z12 Connector sleeve 4 (solder connector in wiring harness) 5E
Z12 Connector sleeve 4 (solder connector in wiring harness) 26 G
Z13 Connector sleeve 5 17F
Z13 Connector sleeve 5 29 F
Z14 Connector sleeve 6 (solder joint in harness) 5E
Z20/73 Tracer wire connector sleeve 7K
Z37/6 CAN databus (high) connector sleeve 14G
Z37/7 CAN bus (low) connector sleeve 15G
Z7/32 Circuit 30 connector sleeve 13H
Z7/68 Taximeter circuit 30 connector sleeve 17E
Z7/69 Two-way radio circuit 30 connector sleeve 2E
Fig 1: Special Vehicle Multifunction Control Unit Wiring Diagram (1 Of 3)
G07594270Courtesy of MERCEDES-BENZ USA
Fig 2: Special Vehicle Multifunction Control Unit Wiring Diagram (2 Of 3)
G07594271Courtesy of MERCEDES-BENZ USA
Fig 3: Special Vehicle Multifunction Control Unit Wiring Diagram (3 Of 3)
G07594272Courtesy of MERCEDES-BENZ USA