POWER DISTRIBUTION – Mercedes-Benz S550 2014 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (1 of 7) for Mercedes-Benz S550 2014:

• (diagram 3 of 7) relay module from rear fuse &
• (not used)
• (right rear engine compt) engine compartment prefuse box
• (upper right footwell) vehicle interior prefuse box
• 115v ac1
• 115v ac2
• 115v socket
• 230v ac1
• 230v ac2
• 230v socket
• 7.5a
• Ac housing
• Alternator
• Battery sensor
• Dc/ac converter control unit (w/ 115v socket) (right rear of luggage compt)
• Dc/ac converter control unit (w/ 230v socket) (right rear of luggage compt)
• Electrical power steering control unit
• Electronic stability program control unit
• Emergency start system relay
• Enable
• Fan motor (early production)
• Fan motor (late production)
• From rear fuse & relay module (diagram 3 of 7)
• From rear fuse & relay module (diagram 5 of 7)
• From rear fuse & relay module p (diagram 5 of 7)
• Front sam control unit
• Fuse 100a
• Fuse 125a
• Fuse 150a
• Fuse 40a
• Fuse 500a
• Fuse 60a
• Left terminal 30 terminal block (w/o backup)
• Mr1
• Mr2
• Mr3
• Mr4
• Mr5
• Nca
• On-board electrical system battery
• Pyrotechnical separator
• Quiescent current cutout relay
• Rba
• Red
• Right rear hydraulic window lifter fuse block (upper front of right rear door)
• Right terminal 30 terminal block
• Special protection vehicle additional battery
• Starter
• To engine fuse & relay module (diagram 2 of 7)
• To instrument panel fuse box (diagram 7 of 7)
• To left fuse & relay module (diagram 2 of 7)
• To rear fuse & relay module (diagram 4 of 7)
• To rear prefuse box (diagram 6 of 7)
• W54 (right side of luggage compt)
• Wndl sig

Power Distribution Wiring Diagram (2 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (2 of 7) for Mercedes-Benz S550 2014:

• (+)
• (left end of dash) left fuse & relay module
• (left rear engine compt) engine fuse & relay module
• (not used)
• Airmatic relay
• Alarm siren
• Analog clock
• Backup relay
• Brake vacuum pump relay
• C200
• C201
• C202
• C203
• C213
• C218
• C219
• C220
• Circuit 15r relay
• Circuit 87m relay
• Climate control unit
• Diagnostic connector
• Driver seat heater control unit (if equipped)
• Drivetrain control unit
• Electronic stability program control unit
• Engine compartment terminal 15 relay
• Exterior lights switch
• F85
• Fanfare horn relay
• From engine compartment prefuse box (diagram 1 of 7)
• From vehicle interior prefuse box (diagram 1 of 7)
• Front climate control operating unit
• Front sam control unit
• Fuse 10a
• Fuse 129a 30a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Fuse n/a
• Ignition coil cylinders 1, 4, 7 & 6, right exhaust camshaft solenoid, right intake camshaft solenoid, right intake camshaft hall sensor & right exhaust camshaft hall sensor
• Ignition coil cylinders 2, 3, 8 & 5, left exhaust camshaft solenoid, left intake camshaft solenoid
• Instrument cluster
• Left front lamp unit & right front lamp unit (w/ intelligent light system) left front lamp unit (w/ static led headlamp)
• Left front lamp unit & right front lamp unit (w/ intelligent light system) right front lamp unit (w/ static led headlamp)
• Magic vision control relay
• Me-sfi (me) control unit
• Mr2
• Night view assist control unit (if equipped)
• Pnk/red
• Purge control valve, engine diagnosis radiator sensor, left oxygen sensor downstream of catalytic converter, left oxygen sensor upstream of catalytic converter, coolant thermostat heating element, activated charcoal filter shutoff valve & exhaust flap switchover valve
• Rba
• Red
• Secondary air injection relay
• Starter
• Starter circuit 50 relay
• Starter terminal 15 relay
• Steering column module control unit
• To electronic ignition switch control unit (diagram 6 of 7)
• Transmission oil pump relay
• W3/2 (left side of engine compt)
• Weight sensing system (wss) control unit (w/ weight detection)
• Wiper motor
• Wiper park position heater relay

Power Distribution Wiring Diagram (3 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (3 of 7) for Mercedes-Benz S550 2014:

• (left front footwell) w34
• (not used)
• (right side of luggage compt) rear fuse & relay module
• 12v socket
• 1st seat row/trunk refrigerator box & power outlet relay
• 2nd seat row cup holder & power outlet relay
• Cigarette lighter w/ rear ashtray illumination (if equipped)
• Cigarette lighter w/ rear center console illumination (if equipped)
• Circuit 15r relay
• From rear prefuse box (diagram 6 of 7)
• Front cigar lighter w/ ashtray illumination (w/ ambiance illumination & w/o smoker package)
• Front vehicle interior power outlet (w/ ambiance illumination & smoker package)
• Fuse 10a
• Fuse 15a
• Fuse 15a (or 5a)
• Fuse 5a
• Fuse n/a
• Interior lights system
• Left rear center console 12v socket (w/ 12v socket)
• Luggage compartment socket
• Nca
• Pnk/red
• Rear backrest refrigerator box (if equipped)
• Rear backrest refrigerator box switch
• Rear cup holder (w/ temperature controlled cup holder)
• Rear cup holder button
• Rear residual heat ind lamp
• Rear sam control unit
• Red
• Right rear center console 12v socket (w/ 12v socket)
• S12
• S13
• S18
• To 115v socket (diagram 1 of 7)
• To dc/ac converter control unit (diagram 1 of 7)
• To fuse 454 (diagram 4 of 7)
• To heated rear window relay (diagram 4 of 7)
• Vehicle interior terminal 15 relay
• W/ 115v socket
• W/ 12v socket
• W/ 230v socket
• W/ smoker package
• W/o smoker package
• W18 (under driver's seat)
• W34 (left front footwell)
• W54 (right side of luggage compt)
• X138/6-c1
• X18/35-c4
• X58/46

Power Distribution Wiring Diagram (4 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (4 of 7) for Mercedes-Benz S550 2014:

• (not used)
• (right side of luggage compt) rear fuse & relay module
• Active belt buckle control unit (w/ rear pre-safe)
• Armrest heater control unit (if equipped)
• Backup relay
• Bass speaker amplifier (w/ advanced sound system)
• Electric parking brake control unit
• From vehicle interior prefuse box (diagram 1 of 7)
• From vehicle interior terminal 15 relay (diagram 3 of 7)
• Front long range radar sensor (w/ distronic plus)
• Fuel pump control unit
• Fully integrated transmission control unit
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 20a 30a
• Fuse 25a
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Fuse n/a
• Heated rear window relay
• Keyless go control unit (if equipped) rear switching module (w/ trunk lid opening/closing)
• Left front bumper radar sensor & right front bumper radar sensor (w/ distronic plus) collision prevention assist controller unit (if equipped)
• Left front door control unit
• Left front power window hydraulic pump relay (w/ top protection)
• Left rear bumper radar sensor, right rear bumper radar sensor & center rear bumper radar sensor (w/ distronic plus)
• Left rear display & right rear display (w/ rear compartment entertainment)
• Left rear seat control unit (w/ rear pre-safe)
• Magic sky control unit (if equipped)
• Multicontour seat pneumatic pump (if equipped)
• Parking system control unit (w/ active park assist)
• Pnk/red
• Rear entertainment controller unit (if equipped)
• Rear sam control unit
• Rear seat heaters control unit (if equipped)
• Rear seat heaters control unit (if equipped) left rear seat heater control unit (w/ rear seating comfort package)
• Red
• Red/pnk
• Right rear seat control unit (w/ rear pre-safe)
• S11
• S13
• S14
• S16
• Sound system amplifier control unit, left front door tweeter control unit & right front door tweeter control unit (w/ advanced sound system)
• T0 special purpose vehicle fuse block 1 (diagram 6 of 7)
• To fuse 472 (diagram 5 of 7)
• To fuse 483 (diagram 5 of 7)
• To special purpose vehicle fuse block 2 (diagram 6 of 7)
• Trailer recognition control unit (w/ trailer hitch)
• Trailer socket (w/ trailer hitch)
• Trunk lid control control unit (if equipped)
• W/ rear seat entertainment
• W/ top protection
• W/ trailer unit
• W/o rear seat entertainment
• W/o top protection
• W/o trailer unit

Power Distribution Wiring Diagram (5 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (5 of 7) for Mercedes-Benz S550 2014:

• (not used)
• (right side of luggage compt) rear fuse & relay module
• 360 degree camera control unit (if equipped) backup camera (if equipped)
• Active belt buckle control unit (w/ rear pre-safe)
• Camera cover control unit (w/ backup camera & 360 degree camera)
• Electric parking brake control unit
• Fm 1, am, cl (zv) & keyless go antenna amplifier
• From fuse 417 (diagram 4 of 7)
• From fuse 479 (diagram 5 of 7)
• From fuse 484 (diagram 4 of 7)
• Fuse 20a
• Fuse 20a 30a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse n/a
• Left front reversible emergency tensioning retractor
• Left rear power window hydraulic pump relay (w/ top protection)
• Left rear seat control unit (w/ rear pre-safe)
• Multicontour seat pneumatic pump (if equipped)
• Rear sam control unit
• Red
• Right front power window hydraulic pump relay (w/ top protection)
• Right front reversible emergency tensioning retractor
• Right rear door control unit
• Right rear power window hydraulic pump relay (w/ top protection)
• Right rear seat control unit (w/ rear pre-safe)
• Right rear seat heater control unit (w/ rear seating comfort package)
• S10
• S13
• S14
• S15
• S16
• S17
• Sound system amplifier control unit (w/ advanced sound system)
• Sound system amplifier control unit (w/o advanced sound system)
• Special vehicle multifunction control unit (svmcu (mss)) (w/ top protection) special purpose vehicle multifunction control unit (w/ electrical preinstallation/ rental vehicle)
• Stationary heater radio remote control receiver (if equipped)
• Tire pressure monitor control unit (if equipped)
• To dc/ac converter control unit (diagram 1 of 7)
• To fuse 480 (diagram 5 of 7)
• Trailer recognition control unit (w/ trailer hitch)
• Trunk lid control unit (if equipped)
• Tuner unit (w/ sirius satellite radio, digital radio)
• W/ 115v socket
• W/ 230v socket
• W/ top protection
• W/ trailer hitch

Power Distribution Wiring Diagram (6 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (6 of 7) for Mercedes-Benz S550 2014:

• (behind right rear seat) special purpose vehicle fuse block 1
• (behind right rear seat) special purpose vehicle fuse block 2
• (diagram 2 of 7) relay module from left fuse &
• (not used)
• 30b
• 30z
• Can-b h
• Can-b l
• Can-d h
• Can-d l
• Can-hmi h
• Can-hmi l
• Can-per h
• Can-per l
• Computer data lines system
• Decoupling relay
• Eco start/ stop function additional battery (if equipped)
• Eco start/stop function additional battery relay
• Electrical power steering control unit
• Electronic ignition switch control unit
• Fire extinguishing system & emergency fresh air system control unit
• Fr a bm
• Fr a bp
• Fr a1 bm
• Fr a1 bp
• Fr a1bm
• Fr a1bp
• Fr bm
• Fr bm1
• Fr bp
• Fr bp1
• Fr1 bm0
• Fr1 bp0
• Fr2 bm1
• Fr2 bp1
• Fr3 bm2
• Fr3 bp2
• Fr4 bm3
• Fr4 bp3
• Fr6 bm5
• Fr6 bp5
• Fr7 bm6
• Fr7 bp6
• From engine compartment prefuse box (diagram 1 of 7)
• From rear fuse & relay module (diagram 4 of 7)
• Front fire extinguishing system temperature sensor
• Front long-range radar sensor (w/ magic body control)
• Front sam control unit (w/ eco start/ stop function)
• Fuse 10a
• Fuse 125a
• Fuse 150a
• Fuse 15a
• Fuse 200a
• Fuse 30a
• Fuse 3a
• Fuse 5a
• Fuse 7.5a
• Fuse n/a
• I10
• Left front door control unit
• Left front door control unit (w/ magic body control) airmatic control unit (if equipped)
• Pas (gas) & special signal system control unit
• Pnk
• Pnk/red
• Radar sensors control unit (w/ magic body control)
• Rba
• Rear prefuse box
• Red
• Sig df
• Special protection vehicles fuse box
• Special signal system operating unit
• Steering column module control unit
• Stereo multi-function camera (w/ driver assistance package)
• To rear fuse & relay module (diagram 3 of 7)
• Vent flaps close relay, vent flaps open relay & irritant gas sensor
• W34 (left front footwell)
• W54 (right side of luggage compt)
• Windshield heater control unit (if equipped)
• X18-c1
• X18-c2
• X18/28-c1
• X18/35-c1
• X18/35-c4
• X35/1-c1

Power Distribution Wiring Diagram (7 of 7) for Mercedes-Benz S550 2014

List of elements for Power Distribution Wiring Diagram (7 of 7) for Mercedes-Benz S550 2014:

• (not used)
• (under right side dash cover) right instrument panel fuse box
• 30g
• Active body control unit (w/ magic body control) airmatic control unit (if equipped)
• Audio/comand control panel (w/o touchpad) touchpad & audio/comand control panel (w/ touchpad)
• Audio/comand display
• C30
• Comand control unit
• Comand fan motor
• Direct select intelligent servo module
• Driver seat control unit
• Driver side instrument panel button group & center instrument panel button group
• Electronic stability program control unit
• Emergency call system control unit (w/ emergency call/ assistance system) telematics services communication module (w/ live traffic information)
• From fuse 339 (diagram 7 of 7)
• From vehicle interior prefuse box (diagram 1 of 7)
• Front passenger seat control unit
• Front passenger seat heater control unit (if equipped)
• Front sam control unit
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Fuse 7.5a/5a
• Fuse n/a
• Head-up display (if equipped)
• Left rear door control unit
• Me-sfi (me) control unit
• Mf1
• Mf2
• Mf3
• Mfi
• Mono multi-function camera (if equipped) stereo multi-function camera (if equipped)
• Overhead control panel control unit
• Overhead control panel control unit & rain/light sensor w/ additional functions
• Panoramic sliding roof control module
• Perfume atomizer generator (w/ air balance package)
• Radar sensors control unit (w/ distronic plus)
• Rear blower motor (w/ rear air conditioning)
• Rear climate control operating unit
• Red
• Red/pnk
• Right front door control unit
• Right rear door control unit
• Stationary heater unit (if equipped)
• Steering column module control unit
• Taximeter (w/ electrical preinstallation/ rental vehicle)
• To fuse 338 (diagram 7 of 7)