Mercedes-Benz E-Class w124 (1985 – 1996) – fuse box diagram

Year of production: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

Fuse box

№	A	Function
1	16	Glove Box Lamp Cigar Lighter Radio Rear Head Restraint System Rear Defogger Rear Wiper/Washer System Rear window sun shade motor Sliding/pop-up roof Central locking system/orthopedic backrest SBE control module (Cabriolet) HS control module Conveniece feature
2	16	Wiper/Washer Headlamp Wiper/Washer Headlamps/Fog Lamps Power Seats Power Windows Convenience feature
3	8	Lamps: Park/Tail/Side Marker/ License (Right) Illumination: License plate, instrument cluster, control elements, radio, cigar lighter Warning buzzer Headlamp wiper/washer Electrically adjustable and heated outside rearview mirrors HS control module Folding rear head restraints Rear backrest/head restraints Sliding/pop-up roof Seat heater switch RB switch Power soft top switch Front seat adjustment with memory Seat belt warning module
4	8	Fog lamp Rear fog lamp
5	8	Stop lamp switch Front dome lamp Tachometer Inductive speed sensor Instrument cluster Exterior lamp failure monitoring module Cruise control Warning module RB control lamp RB switch Power soft top Seat belt warning module Daytime running lamp control module
6	8	Turn Signal Outside temperature gauge Fanfare horns Injectors Starter switch Instrument cluster ABS warning lamps ABS MIL TWC malfunction control module Roll bar Overvoltage protection relay module Ignition coils Preglow time-limit relay module Generator charge indicator lamp
7	8 16¹⁾	Automatic Climate Control Automatic transmission electric: Kickdown solenoid valve Transmission mode valve Data link connector, terminal 16 Throttle valve actual valve potentiometer Blower motor Heater/climate control system: Electromagnetic clutch A/C compressor Auxiliary fan relay, terminal 86 Auxiliary fan relay (stage 2) O2S (after TWC) heater relay module Climate control system Monovalve, duovalve Auxiliary coolant pump Fresh/recirculated air flap switchover valve (switchover valve block) Rest relay module Stationary heater control module Bypass valve Purge control valve/fuel tank rent valve Upshift delay solenoid valve Heated windshield washer nozzle Heated windshield washer system Kickdown cut-out relay module/compressor HFM-SFI control module EGR switchover valve 2 Resonance intake manifold switchover valve Air pump switchover valve Adjustable camshaft timing solenoid Electromagnetic air pump clutch Control/function indicator lamp ASD/ASR/4-MATlC Backup lamp
8	8	Parking/tail/side marker lamps (Left) Engine compartment light
9	8	Control elements illumination Transmission selector lever position illumination Dome lamp (with shut-off delay and reading lamp) Instrument illumination rheostat Exterior lamp switch illumination Vanity mirror light Radio Relay covenience feature, terminal 86 Power seat relay module Rear headrest unlocking switch Rear window sun shade switch Seat heater switch RB switch Power soft top switch Power window switch Diagnostic module Clock Hazard warning system Warning buzzer contact
10	25	Rear Defogger
11	16	ATA Control module
11	8	Transmission oil cooling Intake manifold heater Carburetor electrics
12	25	Blower motor (auto. A/C) Blower regulator (auto. A/C)
12	16	ATA Control module
12	25	Anti-Theft Alarm System
13	8	Headlamps (Left Low Beam) Anti-Theft Alarm System
14	8	Headlamps (Right Low Beam) Anti-Theft Alarm System
15	8	Headlamps (Left High Beam)
15	16	High beam left with auxiliary high beam left
16	8	Headlamps (Right High Beam) High Beam Indicator
16	16	High beam right with auxiliary high beam right High Beam Indicator
A	16	Sliding Roof Heated Seats Orthopedic Seats Folding head restraints/rear compartment
	25	Center power window optional
	8	Power soft top control module optional RB control module
B	8	Seat belt extender system Anti-theft alarm system Automatic dimming inside rearview mirror Seat belt warning module, terminal 86 IRCL control module Adjustable, heated outside mirrors
C	16	Anti-Theft Alarm System Radio tuner/Amplifier Audio Power Amplifiers CD Changer Automatic antenna CD-Player Rear dome light (Station wagon) Entrance/exit lamp Anti-theft alarm system Seat belt extender (Coupe) Tailgate lock switch (Station wagon) Trunk lamp (except station wagon) Rear reading lamps IRCL control module CF control module Central Locking System Sound system Backrest lock (Coupe)
D	16	Auxiliary fan/preresistor
E	25	Front passenger power seat: Head restraint motor Right front/rear power seat motor group with memory Backrest motor Driver power seat: Head restraint motor Left front/rear power seat motor group with memory Backrest motor
F	25	Telescopic Steering Column Front passenger power seat: Seat forward/backward motor Right front/rear power seat motor group with memory Driver power seat: Seat forward/backward motor Left front/rear power seat motor group with memory
G	16	124 545: 0600, 0700, 0900, 1000: Power Windows (Front Left and Rear Right)
G	25	124 545: 1200, 1300: Power Windows (Front Left and Rear Right) 124 545: 1500, 1600, 2100, 2200, 2500, 2700: Power Windows (Front)
H	16	124 545: 0600, 0700, 0900, 1000: Power Windows (Front Right and Rear Left)
H	25	124 545: 1200, 1300: Power Windows (Front Right and Rear Left) 124 545: 1500, 1600, 2100, 2200, 2500, 2700: Power Windows (Rear)
Relay
A	K5 Power Seat Relay
B	К10 Auxiliary Fan Preresistor Relay K9kl Auxiliary Fan Relay (as of my 1992, models 400E/500E)
C	K9 Auxiliary Fan Relay K9k2 Auxiliary Fan Relay Preresistor (as of my 1992, models 400E/500E)
D	K2 Headlamp Washer Relay
E	F14 Auxiliary Fuse Holder K17 Air Injection Relay (as of my 1992, models 400E/500E)
F	K4 Power Window Relay K24 Convenience Relay (as of my 1990)
G	K18 Seat Belt Warning Relay (Сoupe model only) K29/1 First Gear Start Relay (Сoupe model only)
H	N10 Combination Relay
I	V1 Power Seat Diode (Replaced by K24 as of by 1990) V5 Parking Brake/ASR/Electronic Accelerator (as of my 1992, models 400E/500E)
K	N7 Exterior Lamp Failure Monitoring Unit
1) Automatic Climate Control