Diagram sections — 27 (45 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Automatic A/C Wiring Diagram for Mercedes-Benz SLK320 2004: 48 (left front spring tower) w35 15b 15x 33d 35d 36d 37d 4 cyl 6 cyl A/c compressor A/c pushbutton control module Battery fuse box (right side of engine compt) Blower motor Blower regulator Brake booster vacuum pump control module (w/ 4 cyl a/t) Clutch Combination control module Control Coolant circulation pump Diag Diagnostic test clutch (partial) Duovalve Engine control module Engine/climate control electric cooling fan Evaporator temperature sensor Fresh/recirculated air flap switchover valve Fuse & relay box (left rear corner of engine compt) Fuse 15a Fuse 30a Fuse 50a Fuse 5a Headlamp range adjustment control module (w/ xenon headlamps) Heater core temperature sensor Heater system air circulation unit Hot at all times Hot in run Hot in run or start Instrument cluster Left-side water valve Nca Pnk/ red Pnk/red Power distribution system Red Refrigerant pressure sensor Right-side water valve Solid state Terminal block
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz SLK320 2004 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz SLK320 2004: 60 (+) (-) (behind shifter housing) esp yaw rate sensor (behind shifter housing) lateral acceleration sensor (left front spring tower) (left front wheel hub) left front vss (left rear wheel hub) left rear vss (right front wheel hub) right front vss (right rear wheel hub) right rear vss +5v Battery fuse box (right side of engine compt) Bla Bls Brake booster (bas) Can h Can l Computer data lines system Diag Esp & bas control module (right rear of engine compt) Esp brake pressure sensor 1 Esp brake pressure sensor 2 Esp off Front axle switchover solenoid valve Front axle vacuum solenoid valve Fuse 50a High pressure/ return pump Hot at all times Left front axle solenoid valve (hold) Left front axle solenoid valve (release) Left front brake lining wear sensor Left rear axle solenoid valve (hold) Left rear axle solenoid valve (release) Membrane travel sensor Nca Out Park Pnk Rear axle switchover solenoid valve Rear axle vacuum solenoid valve Release Release switch Right front axle solenoid valve (hold) Right front axle solenoid valve (release) Right front brake lining wear sensor Right rear axle solenoid valve (hold) Right rear axle solenoid valve (release) Signal Solenoid valve Ss lf Ss lr Ss rf Ss rr Status Traction system hydraulic unit Vss lf Vss rf W16 (right rear of eng compt) W35 W35 (left front spring tower) Wear Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz SLK320 2004 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz SLK320 2004: 60 (behind left upper dash) (left front spring tower) 13b 15ug 16b 17b 30z 87a 87abs A/t Abs mil Accy Bas/esp mil Battery fuse box (right side of engine compt) Brake booster vacuum pump Brake booster vacuum pump control module (2.3l a/t) (at left front wheel hub) Brake pad wear ind lamp Can h Can l Cockpit switch group Combination control module Computer data lines system Diagnostic test connector Electronic selector lever module control module (beneath center console) Electronic tractions systems relay module Esp off switch Esp warning lamp Fuse & relay box (left rear corner of engine compt) Fuse 100a Fuse 10a Fuse 30a Fuse 5a Headlamp range adjustment control module Hot at all times Hot in run or start Ignition/ starter switch Illumination control module Instrument cluster Interior lights system Low brake fluid level/ parking brake ind lamp Nca Off Parking brake switch (in center console) Pnk/ red Radio Red Relay module (right rear of engine compt) Run Start Steering angle sensor (left & below steering wheel) Stop lamp suppression relay module Stop lamp switch (on brake pedal bracket) Tele aid control module Terminal block x12/1 Terminal block x4 Traction systems fuse 15a W1/1 W1/1 (behind left upper dash) W12 (under center console) W35
ANTI-THEFT Anti-theft Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Anti-theft Wiring Diagram for Mercedes-Benz SLK320 2004: 71 (right front of luggage compt) (right rear of engine compt) combination control module 25b 26b 35d 37b Alarm Alarm siren (w/ auxiliary battery) Antenna Ata Ata tow sensor (right rear corner of trunk) Blinker control Bls Can h Can l Cockpit switch group Computer data lines system Diag Door locks system Engine hood switch Exterior lights Exterior lights system Fuse & relay box (left rear corner of engine compt) Fuse 15a Fuse 20a Fuse 5a Glove Glove box lamp Glove box switch Ground Ground distribution system Headlights system Hood Hot at all times Hot in run or start Ign Illumination control module (integral with headlight switch) Instrument cluster system L tail Led Left front door switch Left taillamp unit Lf door Nca Pneumatic system equipment (pse) control module (lower right of trunk) R tail Radio frequency das control module (behind instrument cluster) Rf door Rf in Right front door switch Right taillamp unit Shld Siren Sn1 Sn2 Status Stoplamp multipoint connector Stoplamp switch Transp Transponder coil Trnk Trunk Trunk lid lock switch Trunk lock/trunk illumination rotary latch selector switch W1/1 (behind left upper dash) W16 (right rear of engine compt) W29 (left "a" pillar) W29/2 (right "a" pillar) W35 (left front spring tower) W6 (left side of luggage compt) W7 (right front of luggage compt)
COMPUTER DATA LINES D2B Data Bus Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for D2B Data Bus Wiring Diagram for Mercedes-Benz SLK320 2004: 11 1 or a Cd changer D2b D2b in D2b out Portable ctel d2b interface (or telephone interface) Radio (or radio & navigation unit) Voice control system control module W/ maximum equipment W/ minimum equipment Wake up Data Link Connector Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz SLK320 2004: 36 (2.3l) (3.2l) (a/t) 13b 2.3l 2.3l 3.2l 3.2l A/c pushbutton control module A/t Brake booster vacuum pump control module Can bus h Can bus l Can h Can i bus + Can i bus l Can l Combination control module Diagnostic test connector Electronic selector lever module control module Esp & bas control module Etc control module Fuel tank pressure sensor Fuse & relay box (in left rear corner of engine compt) Fuse 5a Headlamp range adjustment control module Hot at all times Hot in run or start Instrument cluster Me-sfi control module Pse control module Radio Radio frequency das control module Relay module (near battery) Restraint system control module Tele aid control module W1/1 (behind upper left dash)
COOLING FAN Cooling Fan Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz SLK320 2004: 15 (2.3l) (3.2l) Battery fuse box (right side of eng compt) Control Engine control module Engine-a/c cooling fan control module (on left front inner fender panel) Engine/climate control electric cooling fan Fuse 50a Hot at all times Hot in run or start Nca Pnk/ red Pnk/red Power distribution system Terminal block x12/1 W35 (left front spring tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Cruise Control Wiring Diagram for Mercedes-Benz SLK320 2004: 14 10b Accel/set Cruise control switch Ctrl contact Decel/set Fuse & relay box (left rear of engine compt) Fuse 5a Hot in run & start Me-sfi control module (right rear of engine compt) Memory recall Nca Off Pedal value sensor (on left inner fender panel) Throttle valve control element
DEFOGGERS Heated Mirrors Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Heated Mirrors Wiring Diagram for Mercedes-Benz SLK320 2004: 8 Electrically adjustable & heated left outside rearview mirror Electrically adjustable & heated right outside rearview mirror Fuse & relay box (left rear corner of engine compt) Fuse 15a Hot in run or start Mirror heater W29 (left "a" pillar) W29/2 (right "a" pillar) Rear Defogger Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Rear Defogger Wiring Diagram for Mercedes-Benz SLK320 2004: 11 26b A/c pushbutton control module (center console/dash, forward of shifter lever) Can h Can l Combination control module (right rear of engine compt) Fuse & relay box (left rear corner of engine compt) Fuse 20a Hot at all times Pse control module (lower right of trunk) Rear window defroster element W7 (right front of luggage compt)
ENGINE PERFORMANCE
3.2L 3.2L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz SLK320 2004 List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz SLK320 2004: 31 (a/t) (m/t) (rear of fuse & relay box) pulse module A/t Acc Clutch pedal position switch Computer data lines system Cooling fans system Cruise control system Diagnostic test connector Engine control module (me-sfi) (right rear of engine compt) Exterior lights system (back-up light switch) Hot at all times Ignition switch Left oxygen sensor 1 (before twc) (left rear engine compt) Left oxygen sensor 2 (after twc) (beneath vehicle, rear left of center) Lock M/t Nca Pedal value sensor (on left inner fender panel) Pnk/red Pulse module (rear of fuse & relay box) Purge control valve (left rear corner of engine compt) Red Relay module (right rear of engine e compt) Right oxygen sensor 1 (before twc) (right rear engine compt) Right oxygen sensor 2 (after twc) (beneath vehicle, rear right of center) Run Start Terminal block (x4) (left rear of engine compt) b W16 (right rear of engine compt) 3.2L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz SLK320 2004 List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz SLK320 2004: 28 (at left front spring tower) w35 (front center of engine) air pump switchover valve (left side of engine) pressure sensor (right rear of engine compt) w16 87 m1 fuse 15a 87 m2 fuse 15a Activated charcoal canister shut-off valve (beneath vehicle, forward of right rear axle) Air pump fuse 40a Air pump relay Ckp sensor (on upper left rear of engine) Clutch pedal switch (above pedal unit) Cmp sensor (on left front of engine) Egr pressure transducer Electric air pump (left side of engine compt) Fp fuse 15a Fuel pump Fuel pump relay Fuel tank pressure sensor (on fuel tank) Hot at all times Hot film maf sensor (on left front of engine, in air intake duct) Hot in run or start Kickdown switch (beneath accelerator pedal) Pnk Relay module (right rear of engine compt) Restraint system control module (beneath center console) Shifting induction pipe switchover valve W29/2 (at right "a" pillar) W35 (at left front spring tower) 3.2L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz SLK320 2004 List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz SLK320 2004: 19 (front center of engine) ect sensor (left side of engine block) 11b Engine control module (me-sfi) (right rear of engine compt) Fuel injectors Fuse & relay box (left rear corner of engine compt) Fuse 15a Hot in run or start Ign coil Ign coil coil Left knock sensor 2 Noise sup- pressors Oil sensor Pnk Right knock sensor 1 (right side of engine block) Shield Throttle valve control element To spark plugs W11/3
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram, A/T for Mercedes-Benz SLK320 2004 List of elements for Back-up Lamps Wiring Diagram, A/T for Mercedes-Benz SLK320 2004: 16 Back- up Electronic selector lever control module (base of gear selector lever) Hot at all times Hot in run or start Illumination control module (integral with headlight switch) Left taillamp unit Navigation unit & radio Pnk/red Red Right taillamp unit Tele aid control module Terminal block x12/1 (left rear of eng compt) Terminal block x4 (left rear of eng compt) W1/1 (behind left upper dash) W6 (left side of luggage compt) W7 (right side of luggage compt) Back-up Lamps Wiring Diagram, M/T for Mercedes-Benz SLK320 2004 List of elements for Back-up Lamps Wiring Diagram, M/T for Mercedes-Benz SLK320 2004: 21 2.3l 3.2l Back- up Backup lamp switch (within shifter assembly) Clutch pedal switch (above pedal unit) Engine control module Hot at all times Hot in run or start Illumination control module (integral with headlight switch) Left taillamp unit Navigation unit & radio Pnk/red Red Right taillamp unit Tele aid control module Terminal block x12/1 Terminal block x4 W1/1 (behind left upper dash) W35 (left front spring tower) W6 (left side of luggage compt) W7 (right side of luggage compt) Exterior Lamps Wiring Diagram, with Xenon Lamps (1 of 2) for Mercedes-Benz SLK320 2004 List of elements for Exterior Lamps Wiring Diagram, with Xenon Lamps (1 of 2) for Mercedes-Benz SLK320 2004: 67 (not used) Anti- theft system Anti-lock brakes system Ata Auto dim mir Back- up Back-up lamps circuit Backup sw Battery Bls (no) Brake lamp Ground Head- lights system Headlamp range adjustment control module Headlights Headlights system High beam Hot at all times Hot in on or start Ignition Ignition/ starter switch Illumination control module (integral with headlight switch) Instr illum Key in Left headlamp unit Left taillamp unit Lock-out sig Lt backup Lt brk lamp Lt fog lamp Lt high beam Lt lic lamp Lt low beam Lt side mark Lt tail lamp Lt turn sig Mirrors system Parking brake switch Pnk/ red Pnk/red Rear fog Red Right headlamp unit Right taillamp unit Rr fog lamp Rt backup Rt brk lamp Rt fog lamp Rt high beam Rt lic lamp Rt low beam Rt side mark Rt tail lamp Rt turn sig Standing/ parking lamp Stop Stop lamp suppression relay module (left rear of engine compt) Tail/ park Terminal block x12/1 Terminal block x4 Turn signal W1/1 (behind left upper dash) W12 (under center console) W16 (right rear of eng compt) W35 (left front spring tower) W6 (left side of luggage compt) W7 (right front of luggage compt) Exterior Lamps Wiring Diagram, with Xenon Lamps (2 of 2) for Mercedes-Benz SLK320 2004 List of elements for Exterior Lamps Wiring Diagram, with Xenon Lamps (2 of 2) for Mercedes-Benz SLK320 2004: 38 (8 bulbs) (not used) 1/a 49a 58d 87b Audible indicator Center high mounted stop lamp Cockpit switch group (hazard flasher switch) Combination control module (right rear of eng compt) Combination switch Fuse & relay box (in left rear corner of engine compt) Fuse 15a Hot at all times Instrument cluster Interior lights system Left license plate lamp Left outside mirror turn signal lamp Left turn indicator Left turn signal/side marker lamp Locking confirmation relay module Nca Off Right license plate lamp Right outside mirror turn signal lamp Right turn indicator Right turn signal/side marker lamp Side marker Trunk lid lock switch Trunk lock/trunk illumination rotary latch selector switch Turn signal Turn signal switch W1/1 (behind left upper dash) W16 (right rear of engine compt) W29 (left "a" pillar) W29/2 (right "a" pillar) W35 (left front spring tower) W7 (right front of luggage compt) Exterior Lamps Wiring Diagram, without Xenon Lamps (1 of 2) for Mercedes-Benz SLK320 2004 List of elements for Exterior Lamps Wiring Diagram, without Xenon Lamps (1 of 2) for Mercedes-Benz SLK320 2004: 61 (not used) Anti- theft system Anti-lock brakes system Ata Auto dim mir Back- up Back-up lamps circuit Backup sw Battery Bls (no) Brake lamp Ground Head- lights system Headlights Headlights system High beam Hot at all times Hot in on or start Ignition Ignition/ starter switch Illumination control module (integral with headlight switch) Instr illum Key in Left taillamp unit Lock-out sig Lt backup Lt brk lamp Lt fog lamp Lt high beam Lt lic lamp Lt low beam Lt side mark Lt tail lamp Lt turn sig Mirrors system Parking brake switch (in center console) Pnk/ red Pnk/red Rear fog Red Right taillamp unit Rr fog lamp Rt backup Rt brk lamp Rt fog lamp Rt high beam Rt lic lamp Rt low beam Rt side mark Rt tail lamp Rt turn sig Stop Stop lamp suppression relay module (left rear of engine compt) Tail/ park Terminal block x12/1 Terminal block x4 Turn signal W1/1 (behind left upper dash) W12 (under center console) W6 (left side of luggage compt) W7 (right side of luggage compt) Exterior Lamps Wiring Diagram, without Xenon Lamps (2 of 2) for Mercedes-Benz SLK320 2004 List of elements for Exterior Lamps Wiring Diagram, without Xenon Lamps (2 of 2) for Mercedes-Benz SLK320 2004: 39 (8 bulbs) (behind left upper dash) 1/a 49a 58d 87b Audible indicator Center high mounted stop lamp Cockpit switch group (hazard flasher switch) Combination control module (right rear of eng compt) Combination switch Fuse & relay box (in left rear corner of engine compt) Fuse 15a Hot at all times Instrument cluster Interior lights system Left license plate lamp Left outside mirror turn signal lamp Left turn indicator Left turn signal/side marker lamp Locking confirmation relay module Nca Off Right license plate lamp Right outside mirror turn signal lamp Right turn indicator Right turn signal/side marker lamp Side marker Trunk lid lock switch Trunk lock/trunk illumination rotary latch selector switch Turn signal Turn signal switch W1/1 W1/1 (behind left upper dash) W16 (right rear of engine compt) W29 (left "a" pillar) W29/2 (right "a" pillar) W35 (left front spring tower) W7 (right front of luggage compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Ground Distribution Wiring Diagram for Mercedes-Benz SLK320 2004: 33 A/c pushbutton control module, Automatic dimming inside rearview mirror (adm), electrically adjustable & heated left outside rearview mirror, left front seat adjustment switch, left front door switch, left front door lock switch (cf), tele aid control module, left outside mirror turn signal lamp, auxiliary battery, cf relay module, headlamp range adjustment control module, left front seat belt buckle switch (restraint system), tele aid pushbutton, emergency call system service & breakdown service pushbutton group Brake booster vacuum pump control module, esp & bas control module, left front brake lining wear sensor Child seat recognition air bag off indicator lamp, restraint system control module Control module, cockpit switch group, steering lock switch, glove compartment illumination (w/ switch), steering angle sensor, diagnostic test connector Driver door air bag sensor, passenger door air bag sensor, Electric air pump, Engine/climate control electric cooling fan control module, fanfare horns, heated windshield washer system thermoswitch, brake fluid level switch, clutch pedal switch, engine hood switch (ata), Front cigar lighter connector, multi-purpose compartment illumination, illumination control module, Front dome lamp (w/ switch), fuel pump, relay module, combination control module, etc control module, right front electric seat adjustment switch, right front door switch, sound system amplifier, hardtop closed limit switch, electrically adjustable & heated right outside rearview mirror, right outside mirror turn signal lamp Heater system air circulation unit, Horn/air bag clock spring contact, Instrument cluster, Left headlamp unit, left turn signal/side marker lamp, Left taillamp unit, ctel interface, voice activated control module, left trunk lid closed/ locked limit switch, frequency switch-over control module Luggage cover limit switch, rotary tumbler/ trunk lid microswitch, Passenger seat occupied recognition w/ automatic child seat recognition, left front seat belt buckle switch, right front seat belt buckle switch, Pse control module, right taillamp unit, trunk lid open limit switch, rear window defroster element, hardtop open/stored limit switch, Radio frequency das Radio, left front seat heater element, right front seat heater element, left front backrest heater element, right front backrest heater element, parking brake switch, outside mirror control switch, retractable hardtop switch, electronic selector lever module control module Retractable hardtop hydraulic unit, right hardtop locked unit switch Right headlamp unit, right turn signal/side marker lamp, battery, windshield washer pump, me-sfi control module, alarm siren with auxiliary battery, hcs pump, right front brake lining wear sensor, kickdown switch Trunk lid lock switch (cf), Trunk lock/trunk illumination rotary latch selector switch, left license plate lamp, right license plate lamp, center high mounted stoplamp, W1/1 (behind left upper dash) W12 (under center console) W16 (right rear of engine compt) W26 (near srs control module) W29 (left "a" pillar) W29/2 (right "a" pillar) W35 (left front spring tower) W6 (left side of luggage compt) W7 (right front of luggage compt)
HEADLIGHTS Headlights Wiring Diagram, with Xenon Lamps for Mercedes-Benz SLK320 2004 List of elements for Headlights Wiring Diagram, with Xenon Lamps for Mercedes-Benz SLK320 2004: 85 (left side of luggage compt) 10b 15r nca 32d 56a nca 58l Acc Anti-theft system Ata Backup sw Battery Bls (no) Brake lamp Combination control module Combination switch Computer data lines system Day/night Diag Esp & bas control module Exterior lights system Fog lamp Front axle sensor (headlamp range adjustment) Fuse & relay box (in left rear corner of engine compt) Fuse 15a Fuse 5a Ground Headlamp range adjustment control module High beam High beam indicator Hot at all times Hot in accy, run, or start Hot in on or start Ignition Ignition/ starter switch Illumination control module (integral with headlight switch) Instrument cluster Left headlamp unit Left taillamp unit Low beam Low beam sw Low beam switch Lt backup Lt brk lamp Lt fog lamp Lt high beam Lt lic lamp Lt low beam Lt side mark Lt tail lamp Lt turn sig Mirrors system Nca Off Parking brake switch (in center console) Pnk/ red Pnk/red Q11 Q12 Q21 Q22 Range adjustment motor Rear axle sensor (headlamp range adjustment) Rear fog lamp Red Right headlamp unit Rr fog lamp Rt backup Rt brk lamp Rt fog lamp Rt high beam Rt lic lamp Rt low beam Rt side mark Rt tail lamp Rt turn sig Run Start Terminal block x12/1 Terminal block x4 W1/1 (behind left upper dash) W12 (under center console) W16 (right side of engine compt) W29 (left "a" pillar) W35 (left front spring tower) Xenon headlamp interference suppression coil Headlights Wiring Diagram, without Xenon Lamps for Mercedes-Benz SLK320 2004 List of elements for Headlights Wiring Diagram, without Xenon Lamps for Mercedes-Benz SLK320 2004: 68 15r nca 32d 56a nca Acc Anti-theft system Ata Backup sw Battery Bls (no) Brake lamp Combination switch Day/night Exterior lights system Fog lamp Fuse & relay box (in left rear corner of engine compt) Fuse 15a Ground High beam High beam indicator Hot at all times Hot in accy, run, or start Hot in on or start Ignition Ignition/ starter switch Illumination control module (integral with headlight switch) Instrument cluster Left headlamp unit Left taillamp unit Low beam Low beam sw Low beam switch Lt backup Lt brk lamp Lt fog lamp Lt high beam Lt lic lamp Lt low beam Lt side mark Lt tail lamp Lt turn sig Mirrors system Nca Off Parking brake switch (in center console) Pnk/ red Pnk/red Rear fog lamp Red Right headlamp unit Rr fog lamp Rt backup Rt brk lamp Rt fog lamp Rt high beam Rt lic lamp Rt low beam Rt side mark Rt tail lamp Rt turn sig Run Start Terminal block x12/1 Terminal block x4 W1/1 (behind left upper dash) W12 (under center console) W16 (right rear of engine compt) W35 (left front spring tower) W6 (left side of luggage compt)
HORN Horn Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Horn Wiring Diagram for Mercedes-Benz SLK320 2004: 17 15ug 85f 87f Fanfare horns Horn fuse 15a Horn relay Horn switch Horn/air bag clockspring contact Hot at all times Hot in run or start Pnk/red Red Relay module (right rear of engine compt) Terminal block x12/1 Terminal block x4 W1/1 (behind left upper dash) W35 (left front spring tower)
INSTRUMENT CLUSTER
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Courtesy Lamps Wiring Diagram for Mercedes-Benz SLK320 2004: 21 (under left upper dash) w1/1 31d Combination control module (right rear of engine compt) Exterior lights system Front dome lamp Fuse & relay box (in left rear corner of engine compt) Fuse 10a Fuse 15a Glove compartment illumination Glove compartment switch Hot at all times Left front door switch Power distribution system Pse control module (lower right of trunk) Right front door switch Trunk lamp Trunk lid lock switch Trunk lock/ trunk illumination rotary latch selector switch W29 (left "a" pillar) W29/2 (right "a" pillar) W7/1 (right front of luggage compt) Instrument Illumination Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Instrument Illumination Wiring Diagram for Mercedes-Benz SLK320 2004: 40 (behind left upper dash) w1/1 (info not available) (near srs control module) w26 (right "a" pillar) w29/2 (under center console) w12 2 (or 7) 35d 58d 58k Asr off switch (or esp off switch) Child seat recognition air bag off indicator lamp Cockpit switch group Combination control module (right rear of engine compt) Ctel transmitter/ receiver Emergency call system service & breakdown service pushbutton group Front cigar lighter Front heated seat control module Fuse & relay box (in left rear corner of engine compt) Fuse 35 15a Hazard flasher switch Headlamp cleaner switch Hot at all times Illumination control module (integral with headlight switch) In-dash controller (idc) Instrument cluster Left front heated seat switch Left front power window switch Multi-purpose compartment illumination Nca Outside mirror control switch Power distribution system Radio Retractable hardtop switch Right front heated seat switch Right front power window switch Solid state Tele aid pushbutton Terminal block x6/3 Transmission range recognition switch (or electronic selector lever control module) W1/1 (behind left upper dash)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Mercedes-Benz SLK320 2004 List of elements for Power Distribution Wiring Diagram (1 of 2) for Mercedes-Benz SLK320 2004: 86 (in left rear corner of engine compt) fuse & relay box (left rear of eng compt) terminal block x4 13a 13b 13e 14b 14e 15b 15e 15r 15x 16b 16e 18a 18e 19b 19e 20b 24b 24e 25b 26b 34d 35d 35e 36d Accy Alarm siren with auxiliary battery, ata tow sensor, tele aid control module, voice activation control module Battery Battery fuse box (on right side of engine compt, forward of battery) Brake booster vacuum pump control module Cockpit switch group, locking confirmation relay module, instrument cluster, warning buzzer contact, a/c pushbutton control module, radio frequency das control module Combination control module Ctel interface Ctel interface, tele aid control module Diagnostic test connector, steering angle sensor Duovalve, coolant circulation pump Engine-a/c cooling fan control module Engine/ climate control electric cooling fan control module Esp & bas control module From terminal block x4 (diagram 1 of 2) Front dome lamp, trunk lamp, ctel interface Fuel pump relay, motor 87 relay, electronic traction systems relay Fuse 10a Fuse 125a Fuse 15a Fuse 200a Fuse 20a Fuse 25a Fuse 30a Fuse 40a Fuse 50a Fuse 5a Generator (2.3l) Generator (3.2l) Heater system air recirculation unit Ignition/ starter switch Illumination control module Me-sfi control module, pulse module Motor 87 relay, electronic traction systems relay Nca Off Pnk/red Pse control module Pulse module Red Relay module Retractable hardtop hydraulic unit Run Seats system (front heated seats control module) Sound system amplifier Sound systems (radio) Start Starter Steering angle sensor Terminal block x12/1 (left rear of engine compt) Terminal block x4/18 (left rear of engine compt) To fuse (diagram 2 of 2) To fuse 33 (diagram 2 of 2) To fuses 1, 2, & 3 (diagram 2 of 2) To fuses 10, 11, & 12 (diagram 2 of 2) To fuses 30, 31, & 32 (diagram 2 of 2) To fuses 4 & 5 (diagram 2 of 2) To fuses 6 & 7 (diagram 2 of 2) To ignition/ starter switch (diagram 1 of 2) W16 (right rear of engine compt) Power Distribution Wiring Diagram (2 of 2) for Mercedes-Benz SLK320 2004 List of elements for Power Distribution Wiring Diagram (2 of 2) for Mercedes-Benz SLK320 2004: 49 (not used) 10b 11b 11e 12b 15r 15x 17e 30d 31d 31e 32d 33d 33e 37b 37d 37e A/c system (a/c pushbutton control module) Brake booster vacuum pump control module Child seat recognition airbag off indicator lamp Combination switch Cruise control system, xenon interference suppression coil, headlamp range adjustment control module Ctel interface, portable ctel d2b interface, tele aid control module, frequency switchover control module Engine controls system From ignition/ starter switch (diagram 1 of 2) From terminal block x12/1 (diagram 1 of 2) From terminal block x4/18 (diagram 1 of 2) Front cigar lighter Fuse & relay box (in left rear corner of engine compt) Fuse 10a Fuse 15a Fuse 30a Fuse 5a G g Garage door opener control module Glove compartment light switch Instrument cluster Instrument cluster, a/c pushbutton control module, fresh/recirculated airflap switchover valve Interior lights system Mirrors system Nca Pnk/red Power tops system, mirrors system Radio frequency das control module Restraint system control module Seats system (front heated seats control module) Sound systems (radio) W1/1 (behind left upper dash) Wiper/ washer system (heated windshield washer system thermoswitch)
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Power Door Locks Wiring Diagram for Mercedes-Benz SLK320 2004: 50 (behind instrument cluster) w1/1 (right front of luggage compt) w7 (right rear of engine compt) data link connector 25b 26b 35d 37b Antenna Blinker Can h Can l Cockpit switch group Combination control module (right rear of engine compt) Computer data lines system Diag Exterior lights system Fuse & relay box (left rear corner of engine compt) Fuse 15a Fuse 20a Fuse 5a Ground Hot at all times Hot in run or start Ign Instrument cluster system Left front door lock switch Left front door switch Lf door Lock Nca Pneumatic system equipment (pse) control module (lower right of trunk) Radio frequency das control module (behind instrument cluster) Rf door Rf in Right front door switch Shield Sn1 Sn2 Status Sw in Transp Transponder coil Trunk Trunk lid lock switch Trunk lock/ trunk illumination rotary latch selector switch Unlock W1/1 (behind left upper dash) W29 (left "a" pillar) W29/2 (right "a" pillar) W7 (right front of luggage compt)
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Automatic Day/Night Mirror Wiring Diagram for Mercedes-Benz SLK320 2004: 17 2.3l 3.2l A/t Automatic dimming inside rearview mirror Backup lamp switch Electrically adjustable & heated left outside rearview mirror Electronic selector lever module control module Fuse & relay box (left rear corner of engine compt) Fuse 5a Hot in run or start Illumination control module (integral with headlight switch) M/t Pnk Pnk/red Radio Tele aid control module W29 (left "a" pillar) Power Mirrors Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Power Mirrors Wiring Diagram for Mercedes-Benz SLK320 2004: 14 (left "a" pillar) w29 (right "a" pillar) w29/2 Electrically adjustable & heated left outside rearview mirror Electrically adjustable & heated right outside rearview mirror Fuse & relay box (left rear corner of engine compt) Fuse 15a Hot in run or start In/ out motor Interior lights system Mirror position Mirror select Outside mirror control switch Up/ down motor W12 (under center console)
POWER SEATS Driver Power Seat Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Driver Power Seat Wiring Diagram for Mercedes-Benz SLK320 2004: 42 15r 21b 22b 22e Accy Aft Backrest Backrest fore/aft motor Battery Battery fuse box (on right side engine compt, forward of battery) Cf relay module (near top of brake pedal lever) Fore Fore/aft motor Front raise/lower motor Front seat height Fuse & relay box (in left rear corner of engine compt) Fuse 200a Fuse 21 30a Fuse 22 30a Hot at all times Ignition switch Left front door switch Left front electric seat adjustment motor group Left front electric seat adjustment switch Lower Nca Off Passenger's power seat circuit Pnk Raise Rear raise/lower motor Rear seat height Red Right front door switch Run Seat fore/aft Solid state Start Terminal block x4 (left rear of eng compt) Terminal block x4/18 (left rear of eng compt) W29 (left "a" pillar) W29/2 (right "a" pillar) Heated Seats Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Heated Seats Wiring Diagram for Mercedes-Benz SLK320 2004: 18 30d 34d Cockpit switch Driver seat connector block Front heated seat control module (center console, below radio unit) Fuse & relay box (left rear corner of engine compt) Fuse 25a Fuse 5a Hot at all times Hot in acc, run or start Interior lights system Left front backrest heater element Left front seat cushion heater element Passenger seat connector block Right front backrest heater element Right front seat cushion heater element W1/1 (behind left upper dash) W12 (under center console) Passenger Power Seat Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Passenger Power Seat Wiring Diagram for Mercedes-Benz SLK320 2004: 42 15r 21b 22b 22e Accy Aft Backrest Backrest fore/aft motor Battery Battery fuse box (on right side engine compt, forward of battery) Cf relay module (near top of brake pedal lever) Driver's power seat circuit Fore Fore/aft motor Front raise/lower motor Front seat height Fuse & relay box (in left rear corner of engine compt) Fuse 200a Fuse 21 30a Fuse 22 30a Hot at all times Ignition switch Left front door switch Lower Nca Off Pnk Raise Rear raise/lower motor Rear seat height Red Right front door switch Right front electric seat adjustment motor group Right front electric seat adjustment switch Run Seat fore/aft Solid state Start Terminal block x4 (left rear of eng compt) Terminal block x4/18 (left rear of eng compt) W29 (left "a" pillar) W29/2 (right "a" pillar)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Power Top/Sunroof Wiring Diagram for Mercedes-Benz SLK320 2004: 39 (under center console) w12 19b 20b 24b Anti-lock brakes system Combination control module (right rear of engine compt) Fuse & relay box (left rear corner of engine compt) Fuse 40a Fuse 5a Hardtop closed limit switch Hardtop open/ stored limit switch Hardtop solenoid Hot at all times Hot in run or start Hydraulic motor Instrument cluster system Interior lights system Left hardtop locked limit switch Left license plate lamp Left trunk lid closed/ locked limit switch Luggage cover limit switch Nca Overload protection Pnk/red Pse control module Red Retractable hardtop hydraulic unit Retractable hardtop switch Right hardtop locked limit switch Right license plate lamp Right trunk lid closed/ locked limit switch Trnk Trunk lid lock switch Trunk lid open limit switch Trunk lid solenoid Trunk lock/trunk illumination rotary latch selector switch W29/2 (right "a" pillar) W6 (left side of luggage compt) W7 (right front of luggage compt)
POWER WINDOWS Power Windows Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Power Windows Wiring Diagram for Mercedes-Benz SLK320 2004: 18 19b 20b Combination control module (right rear of engine compartment) Fuse & relay box (left rear corner of engine compt) Fuse 40a Hot at all times Interior lights system Left front power window motor Left front power window switch Left rear power window motor Nca Red Right front power window motor Right front power window switch Right rear power window motor Terminal block x1 Terminal block x6/3 (center console) W29/2 (right "a" pillar)
RADIO Radio Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Radio Wiring Diagram for Mercedes-Benz SLK320 2004: 40 14b A/m Anti-lock brakes system Cd changer Computer data lines system Ctel Ctel w/ d2b D2b D2b data bus circuit E-call & radio antenna amplifier (left rear of trunk) Except navigation Exterior lights system (back-up lamps circuit) F/m Fm/am amplifier (left rear of trunk) Fuse & relay box (left rear corner of engine compt) Fuse 14 20a Fuse 5 15a Fuse 8 15a Gps antenna (w/ navigation) Gps receiver Hot at all times Hot in acc, run or start Interior lights system Left front door speaker group Left rear speaker Nca Pnk Portable ctel d2d interface Radio (or radio & navigation unit) Rear bumper antenna Right front door speaker group Right rear speaker Separation point Sound system amplifier Tele aid control module W/ e- call W/ navigation W/ portable ctel preinstallation W12 (under center console) W29/2 (right "a" pillar)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Shift Interlock Wiring Diagram for Mercedes-Benz SLK320 2004: 33 (below center console) Backup sig Backup sw Can h Can l Computer data lines system Data line Diagnostic Diagnostic test clutch Electronic selector lever control module (base of gear selector lever) Electronic traction systems relay Eps & bas control module (right rear of engine compt) Etc control module (front of passenger's footwell) Ground Hot at all times Hot in run or start Ignition Ignition out Illum Illumination control module (integral with headlamp sw) Interior lights Navigation unit & radio Pnk/red Power Red Relay module (right rear of engine compt) Stoplamp sw Stoplamp switch (on brake pedal bracket) Tele aid control module Terminal block (x12/1) (left rear of engine compt) Terminal block (x4) (left rear of engine compt) Traction systems fuse 15a W12
STARTING/CHARGING Charging Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Charging Wiring Diagram for Mercedes-Benz SLK320 2004: 13 2.3l 3.2l Battery Battery fuse box (forward of battery) Charge indicator Fuse & relay box (in left rear corner of engine compt) Fuse 125a Fuse 5a Generator Hot in run or start Instrument cluster Starter W16 (right rear of engine compt) Starting Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Starting Wiring Diagram for Mercedes-Benz SLK320 2004: 25 (2.3l) (3.2l) A/t Accy Battery Battery fuse box (forward of battery) Charging circuit Charging circuit (3.2l) Clutch pedal engage/ release switch Engine control module (me-sfi) Fuse 125a Fuse 200a Fuse 50a Ignition/ starter switch M/t Off Ohms Pnk/red Pulse module (starter lockout relay module) (at rear of fuse & relay box) Red Run Start Starter Terminal block x12/1 (left rear of engine compt) Terminal block x4 (left rear of engine compt) W16 (right rear of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Supplemental Restraints Wiring Diagram for Mercedes-Benz SLK320 2004: 55 (near srs control module) w26 100 ohms 15r 2.3l 3.2l Ab, d+ Ab, d- Ab, p+ Ab, p- Ac sr- Acsr As out Child seat recognition air bag off indicator lamp Crash-out D (+) Data link connector (dlc) (partial) Diag Driver door air bag sensor Driver etr squib Driver front air bag squib Driver side door air bag squib Engine control module (right rear of engine compt) Etr, d+ Etr, d- Etr, p+ Etr, p- Front passenger etr squib Fuse & relay box (left rear corner of engine compt) Fuse 5a Horn/ air bag clock spring contact Hot in acc, on or start Instrument cluster Interior lights system Left front seat belt buckle switch Mil Nca Ohms P + Passenger air bag squib Passenger door air bag sensor Passenger seat occupied recognition w/automatic child seat recognition (acsr) Passenger side door air bag squib Pnk Restraint system control module Right front seat belt buckle switch Sb, d Sb, d+ Sb, d- Sb, p Sb, p+ Sb, p- Shorting bar Solid state Srs malfunction indicator (mil) Tele-aid control module
TRANSMISSION A/T Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for A/T Wiring Diagram for Mercedes-Benz SLK320 2004: 55 (below center console) 1-2/ 4-5 valve 1-2/4-5 vlv 2-3 shift valve 2-3 vlv 3-4 shift valve 3-4 vlv Backup sig Backup sw Can h Can l Computer data lines system Data line Diagnostic Diagnostic test clutch Electronic selector lever control module (base of gear selector lever) Electronic traction systems relay Esp & bas control module (right rear of engine compt) Etc control module (front of passenger's footwell) Ground Hot at all times Hot in run or start Ignition Ignition out Illum Illumination control module (integral with headlamp sw) Interior lights Lock up valve Modul- ator valve Modulator vlv Navigation unit & radio Pnk/red Power Pwm vlv Red Relay module (right rear of engine compt) Rpm 2 Rpm 3 Rpm sensor Sensor ground Sensor v+ Shift valve Shift vlv Start interlock switch Stoplamp sw Stoplamp switch (on brake pedal bracket) Tele aid control module Temp sensor Temp/start Terminal block (x12/1) (left rear of engine compt) Terminal block (x4) (left rear of engine compt) Traction systems fuse 15a Valve unit (electronic transmission control) W12 W29/2 (right "a" pillar)
WARNING SYSTEMS Warning Systems Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Warning Systems Wiring Diagram for Mercedes-Benz SLK320 2004: 15 Battery fuse box Brake pad wear ind lamp Can h Can l Computer data lines system Esp & bas control module (right rear of engine compt) Fuse 50a Hot at all times Instrument cluster Left front brake lining wear sensor Nca Right front brake lining wear sensor W16 (right rear of eng compt) W35 (left front spring tower) Wear
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Front Wiper/Washer Wiring Diagram for Mercedes-Benz SLK320 2004: 27 12b 19b 20b 32d Combination control module (right rear of engine compt) Combination switch Fuse & relay box (left rear corner of engine compt) Fuse 10a Fuse 15a Fuse 40a Heated windshield washer thermoswitch Hot at all times Hot in run or start Hot in run, acc or start Int Nca Off Park Power distribution system Red W16 (right rear of engine compt) W29/2 (right "a" pillar) W35 (left front spring tower) Washer switch Windshield washer pump Windshield wiper motor Wiper switch Headlamp Washer Wiring Diagram for Mercedes-Benz SLK320 2004 List of elements for Headlamp Washer Wiring Diagram for Mercedes-Benz SLK320 2004: 10 Battery fuse block (right side of engine compt, forward of battery) Fuse 50a Hcs pump Hcs switch Hot at all times Interior lights Pulse module (rear of fuse & relay box) Pump Red W16 (right rear of engine compt)
