Mercedes-Benz E-Class w123 (1976 – 1985) – fuse box diagram
Year of production: 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985
Fuse box
| Fuse | A | Circuit protected |
| A | 16 | Window Lift (Front Right/Rear Left) |
| B | 16 | Window Lift (Front Left/Rear Right) |
| C | 16 | Auxiliary Fan, Exploid Engine Residual Heat (123 545 ??00) |
| 25 | Auxiliary Fan, Auxiliary Heating, Exploid Engine Residual Heat (123 545 ??00) | |
| D | 16 | Sliding Roof |
| 1 | 8 | Parking and Tail Light Right, License Plate / Instrument / Hazard Warning Switch / Heater and Ventilation Controls (Rocker Switches / Shift Indicator / Electronic Radio) Illumination, Headlamp Cleaning Unit (123 545: 0200, 0500), Side Marker Lamps (123 545 0100), Warning Buzzer (123 545: 0400, 0800) |
| 2 | 8 | Clock, Trunk Light, Diagnostic, Roof Light Front and Rear, Hazard Warning System, Warning Monitor Terminal 5 / SF, Automatic Antenna, Switch-over Valve Seat Back Arrester, Illuminated Vanity Mirror, Standing Light Left and Right (123 545 0100), Electronic Radio, Relay II Power Windows Terminal 86+87 (123 545: 0200, 0500) |
| 3 | 8 | Parking and Tall Light Left |
| 4 | 8 | Cigarette Lighter, Glove Compartment Light, Radio, Outside Mirror (123 545: 0800, 1100) |
| 16 | Seat heater front, Cigarette Lighter, Glove Compartment Light, Radio, Outside Mirror (123 545: 0800, 1100) | |
| 5 | 8 | 123 545 0100: Air Conditioning Compressor Switch, Over Valve Idle Stabilization 123 545: 0200, 0500: Fog Light 123 545 ??00: Fog Light, Rear Fog Light |
| 6 | 16 | Windshield Wiper and Washer, Optical Horn, Relay Headlamp Cleaning Unit (123 545: 0200, 0500) |
| 7 | 8 | High Beam Right, High Beam Indicator (123 545: 0100, 0200) |
| 8 | 16 | Blower Motor, Air Conditioning Compressor, Switch Over Valve Idle Stabilization (123 545: 0400, 0500, 0600, 0800), Circulating Pump Climate Control (123 545: 0400, 0500), Exploid Engine Residual Heat (123 545 ??00) 123 545: 0100, 0200: Heated Rear Window |
| 25 | 123 545: 0100, 0200: Heated Rear Window, Seat Heating Rear 123 545 ??00: Climate Control System, Blower Motor, Air Conditioning Compressor, Switch Over Valve Idle Stabilization, Circulating Pump Climate Control, Exploid Engine Residual Heat |
|
| 9 | 8 | High Beam Left, High Beam Indicator (123 545: 0400, 0500, 0600, 0800, 1100) |
| 10 | 16 | Heated Rear Window, Auxiliary Heating Rear (123 545: 1100, ??00), Electromagnetic Clutch Engine Fan (123 545: 0400, 0500, ??00) 123 545: 0100, 0200: Blower Motor |
| 25 | 123 545: 0100, 0200: Seat Heating Rear, Heated Rear Window, Auxiliary Heating Rear (123 545: 1100, ??00), Electromagnetic Clutch Engine Fan (123 545: 0400, 0500, ??00) | |
| 11 | 8 | Low Beam Right, Fog Light |
| 12 | 8 | Stop lamp, Turn signal lamp, Instrument Cluster, Cruise Control, Relay Window Lift Terminal 86, Tachometer, Relay Auxiliary Fan Terminal 86 (123 545: 0100, 0200, 0400), Control Unit/Heating Water Valve for Climate Control System (123 545 0400), Switch Over Valve Idle Stabilization (123 545 0200), Air Conditioning Compressor (123 545 0200), Relay II Power Windows Terminal 87 a (123 545: 0200, 0500), Climate Control System (123 545 ??00) |
| 13 | 8 | Low Beam Left |
| 14 | 8 | Back-up Lamp, Warning Monitor Terminal 8 / 15, Emission Control, Horn, Fanfares, Overload Protection, Automatic Transmission, Relay Auxiliary Fan Terminal 86, Control Unit/Water Pump/ and Heating Water Valve for Climate Control System, Carburetor Heater (123 545: 0100, 0200, ??00), Exploid Engine Residual Heat Terminal 15 (123 545 ??00), Temperature Gauge Outside (123 545 ??00), Float Chamber Vent Valve (123 545 ??00), Idle Cut-off Valves |
Fusecard
123 545 01 00
123 545 02 00
123 545 04 00
123 545 05 00
123 545 06 00
123 545 08 00
123 545 11 00
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.