COMPUTER DATA LINES

C15h
C19i
Can d h
Can d l
Diagnostic connector
Electronic stability program control unit (w/ esp basic) premium electronic stability program control unit (w/ esp premium) (left side of engine compt)
Front sam control unit w/ fuse & relay module (left rear of engine compt)
Fuse 5a (or 7.5a)
Hot at all times
Power distribution system
Rear sam control unit w/ fuse & relay module (right side of trunk)
W/ esp basic
W/ esp premium
W15/2 (left front footwell)
W16/5 (left rear of engine compt)

Audio/comand control panel
Audio/comand display
Can-a h
Can-a l
Can-c h
Can-c l
Can-g h
Can-g l
Cradle for navigation module (if equipped)
Direct select intelligent servo module (bottom left side of transmission)
Drive train can voltage distributor electrical connector
Fuel pump control unit (base of right "c" pillar)
Fully integrated transmission control unit (in transmission)
Left front lamp unit
Left xenon light control unit (rear of left headlight unit)
Me-sfi (me) control unit (center rear of engine)
Navigation module (if equipped)
Nca
Radio w/ auto pilot system (w/ audio 50)
Right front lamp unit
Right xenon light control unit (rear of right headlight unit)
Servo module
Telematics can voltage distributor electrical connector
Transmission oil auxiliary pump control unit (eco start/stop function & direct select intelligent servo module) (lower left side of transmission)
Transmission oil auxiliary pump control unit (w/ eco start/stop function) (lower left side of transmission)
W/ direct select
W/ direct select intelligent
W/o direct select
W15/1 (right front footwell)
W15/7 (right front footwell)
X138/1-c1
X18/35-c1

Active multicontour seat pneumatic pump (if equipped) (left side of trunk)
Analog clock
Automatic transmission mode button
Backup camera (left rear of trunk lid)
Backup camera control unit (if equipped) (rear of trunk)
C10
C11
C11c
C12
C13
C17c
C18m
C19i
C20m
C21m
C22i
C7i
Can-a h
Can-a l
Can-b h
Can-b l
Can-d h
Can-d l
Can-e h
Can-e l
Can-g h
Can-g l
Comand control unit (if equipped)
Diagnostic connector
Driver seat control unit (fully electric seat adjustment w/ memory function) (under driver's seat)
Electrical power steering control unit (if equipped) (on steering rack)
Front end can (can g) potential distributor electrical connector
Front sam control unit w/ fuse & relay module (left rear of engine compt)
Left front active multicontour seat control unit (if equipped) (in left front seat back)
Left front door control unit (left front door)
Left rear bumper intelligent radar sensor (behind left outer edge of rear bumper)
Left rear door control unit (left rear door)
Left vehicle floor interior can voltage distributor electrical connector
Lin
Lin 1
Nca
Overhead control panel control unit (w/ tilting/ sliding roof)
Radio (audio 20)
Radio w/ auto pilot system (w/ audio 50)
Right rear bumper intelligent radar sensor (behind right outer edge of rear bumper)
Suspension button group
Trunk lid control unit (center front of trunk)
Upper control panel control unit
W/ airmatic
W/ audio 20 & audio 50
W/ speed-sensitive power steering
W/o airmatic
W/o audio 20 & audio 50
W15/2 (left front footwell)
X138/1-c1
X157/5-c2
X172/2
X35/3-c1
X8/45-c3

Alternator
Battery sensor
C10
C11
C12
C13
C9i
Can-b h
Can-b l
Can-e h
Can-e l
Front passenger seat control unit (fully electric seat adjustment w/ memory function) (under front passenger's seat)
Keyless-go control unit (if equipped)
Left front reversible emergency tensioning retractor (if equipped) (base of left "b" pillar)
Lin
Lin c1
Me-sfi (me) control unit (center rear of engine)
Rear sam control unit w/ fuse & relay module (right side of trunk)
Rear seat heaters control unit (if equipped)
Right front active multicontour seat control unit (if equipped) (in right front seat back)
Right front door control unit (right front door)
Right rear door control unit (right rear door)
Right vehicle floor interior can voltage distributor electrical connector
Stationary heater unit (if equipped) (behind right side of front bumper)
Tire pressure monitor control unit (if equipped) (above rear axle)
Trailer recognition control unit (if equipped)
Vehicle floor chassis can voltage distributor electrical connector
W15/2 (left front footwell)
X1/60-c1
X35/4-c1

Airmatic control unit (if equipped)
Automatic air conditioning control & operating unit
C1 can-e2 l
Can-b h
Can-b l
Can-e h
Can-e l
Can-e2 h
Can-h h
Can-h l
Distronic electric controller unit (if equipped) (center front of engine compt)
Early production
Electronic ignition switch control unit
Electronic stability program control unit (left side of engine compt)
Instrument cluster
Late production
Multi-function camera (automatic lane recognition & speed limit assist) (top center of front windshield)
Night vision assist control unit (if equipped) (right kick panel)
Parking system control unit (if equipped) (right front footwell)
Premium electronic stability program control unit (esp premium) (left side of engine compt)
Right front reversible emergency tensioning retractor (if equipped) (base of right "b" pillar)
Steering column module control unit (top of steering column)
Vehicle dynamics can voltage distributor electrical connector
Video & radar sensor system control unit (distronic plus) (right front footwell)
W/ esp basic
W/ esp premium
Yaw rate, lateral & longitudinal acceleration sensor (esp premium) (under driver's seat)

COMPUTER DATA LINES – Mercedes-Benz CLS550 4Matic 2014 – SYSTEM WIRING DIAGRAMS