COMPUTER DATA LINES – Mercedes-Benz C300 4Matic 2008 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Mercedes-Benz C300 4Matic 2008

List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz C300 4Matic 2008:

14

• (under left side of dash) diagnostic connector (dlc)
• 31e
• C19i
• C22i
• C2i
• Can-d h
• Can-d l
• Front electrical prefuse box (at right rear of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 5a
• Hot w/ quiescent current cutout relay energized
• Red
• W15/5 (left front footwell)

High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz C300 4Matic 2008

List of elements for High/Low Bus Wiring Diagram (1 of 4) for Mercedes-Benz C300 4Matic 2008:

34

• (right front footwell) (m/t) w15/8
• (w/ audio 20 radio & radio 50)
• Audio/comand control panel
• Audio/comand display
• C10
• C11
• C12
• C13
• Can-a h
• Can-a l
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-g h
• Can-g l
• Drivetrain can voltage distributor electrical connector
• Dvd player (w/ tv & video in rear)
• Electronic selector level module control module (a/t) (under center console)
• Electronic transmission control unit
• Fuel pump control module (under right rear seat)
• Fully integrated transmission control unit
• Left front headlamp unit
• Left rear display (w/ tv & video in rear)
• Left xenon light control unit
• Right front headlamp unit
• Right rear display (w/ tv & video in rear)
• Right xenon light control unit
• Telematics can voltage distributor electrical connector
• W/ 7-speed a/t
• W/ bi-xenon headlamp
• W/ electronic transmission control
• W/o bi-xenon headlamp
• W15/6 (left front footwell)

High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz C300 4Matic 2008

List of elements for High/Low Bus Wiring Diagram (2 of 4) for Mercedes-Benz C300 4Matic 2008:

43

• (left front footwell) w15/6
• 10i
• 18m
• 19i
• 20m
• 21m
• Automatic air conditioning control & operating unit (2 & 3 zones thermatic)
• C10
• C11
• C12
• C13
• C22i
• C2i
• Can-a h
• Can-a l
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-d h
• Can-d l
• Can-e h
• Can-e l
• Can-g h
• Can-g l
• Comand control unit
• Driver seat control unit
• Emergency call system control unit (w/ teleaid emergency call system) (center front of trunk)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Left front door control unit
• Left rear door control unit
• Left vehicle floor interior can voltage distributor electrical connector
• Overhead control panel control module
• Panoramic sliding roof control module (left front of roof)
• Radio (w/ audio 20 radio) radio w/ auto pilot system (w/ audio 50)
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Right front door control unit
• Right rear door control unit
• Trailer recognition control module
• W/ overhead control panel w/ can
• W/ panoramic sliding roof
• W/ taxi
• W/o taxi

High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz C300 4Matic 2008

List of elements for High/Low Bus Wiring Diagram (3 of 4) for Mercedes-Benz C300 4Matic 2008:

25

• C10
• C11
• C12
• C13
• Can-b h
• Can-b l
• Can-e h
• Can-e l
• Can-h h
• Can-h l
• Front passenger seat control unit
• Instrument cluster
• Keyless go control unit (if equipped)
• Left front reversible emergency tensioning retractor (if equipped)
• Parktronic control unit (if equipped)
• Radar sensors control unit (w/ city assist system)
• Reverse camera control module (if equipped)
• Right vehicle floor interior can voltage distributor electrical connector
• Special-purpose vehicle multi- function control unit (w/ taxi elec- trical system)
• Steering column module control unit (top of steering column)
• Tailgate control unit (w/ automatic tailgate)
• Tire pressure monitor control unit (if equipped) (left side of trunk)
• Vehicle floor chassis can voltage distributor electrical connector
• W15/6 (left front footwell)
• Weight sensing system control unit (if equipped) (under front passenger's seat)

High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz C300 4Matic 2008

List of elements for High/Low Bus Wiring Diagram (4 of 4) for Mercedes-Benz C300 4Matic 2008:

20

• Adaptive damping system control unit (w/ adaptive damping system & esp)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-e h
• Can-e l
• Can-h h
• Can-h l
• Can-i h
• Can-i l
• Distronic electric controller unit (if equipped)
• Electronic ignition switch control unit
• Electronic stability program control unit (w/ esp & w/o adaptive damping system) (left front of engine compt)
• Me-sfi (me) control module (top center of engine)
• Pnk
• Potential distributor electrical connector (can i)
• Right front reversible emergency tensioning retractor (if equipped)
• Vehicle dynamics can voltage distributor electrical connector
• W15/8 (right front footwell)