Mercedes-Benz 300SD (1992 – 1993) – wiring diagrams – fuse box diagram
Year of productions: 1992, 1993
Fuse box diagram

| Fuse | Ampere ratting [A] | Description |
| 7 | 10 | Headlamo cleaning system |
| 8 | 7,5 | Left standing lamp, left taillamp, left side-marker lamps |
| 9 | 7,5 | Right standing lamp, right taillamp, right side-marker lamps, license plate illumination |
| 10 | 7,5 | Rear fog lamp |
| 11 | 7,5 | Left low beam |
| 12 | 7,5 | Right low beam |
| 13 | 7,5 | Left light beam, high beam indicator |
| 14 | 7,5 | Right high beam |
| 15 | 15 | Indicator lamp, airbag, wiper relay, high beam flasher, washer pump, combination relay, heated rear window switch |
| 16 | 10 | Cigarette lighter, glove box illumination |
| 17 | 20 | Key shut-off relay (fuel cut-off), radio, steering angle sensor, instrument cluster, front interior light, mirror illumination, flash light, hazard flasher warning light |
| 18 | 15 | Diagnostic plug engine EZL, automatic climate control |
| 19 | 7,5 | Daytime running lights, seat belt warning |
| 20 | 10 | Automatic climate control unit, A/C compressor, Kickdown switch |
| 21 | 15 | Heated windshield washer nozzles, power heated mirrors, transmission oil cooler |
| 22 | 7,5 | Radio, Seat belt comfort feature, front heated seats, rear heated seats |
| 23 | 7,5 | Cruise control, stop lamp switch ASR ASD closer, stop light |
| 24 | 7,5 | Instrumentation cluster, exterior lamp failure, monitorin unit, interior light, electromagnetic air injection pump clutch, stop lamp switch ASR ASD opener |
| 25 | 15 | Turn signal hazard warning flasher relay, horn backup lamp, automatic transmission |
| 26 | 10 | Fog light |
| 27 | — | — |
| 28 | 7,5 | Electronic antenna |
| 29 | 15 | Front heated seats |
| 30 | 20 | Left and right seat memory, driver memory, steering column adjustment, mirror adjustment |
| 31 | 30 | Rear power bench seat with front passenger seat adjustment |
| Left rear power seat with front passenger seat adjustment | ||
| 32 | 30 | Rear power seat, right rear head restraint |
| 33 | — | — |
| 34 | 7,5 | Front heated seats control unit |
| 35 | 15 | Rear window sun shade, convernce system |
| 36 | — | — |
| 37 | 30 | Left front power seat |
| 38 | 30 | Left front power seat |
| 39 | — | — |
| 40 | 30 | Right front power seat |
| 41 | 30 | Right front power seat |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
