Learn about the fuse box and relay layout for the Mercedes-Benz Sprinter W901-W905 (1995-2005). Find diagrams, locations, and functions of each fuse and relay.
Mercedes-Benz produced the first generation Sprinter in the years 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005 in a variety of body types with the model numbers W901, W902, W903, W904, and W905. The model is modified twice during this time. You can find descriptions of the fuses and relays for the Mercedes Sprinter 1 in this post along with box diagrams, visual examples, and locations. Choose the fuses for the fuel pump and cigarette lighter.
The layout of the boxes and the functions of the components inside may not be exactly as shown; this will depend on the year your car is built as well as its level of equipment.
Fuse box under the panel
Under the panel is where the first fuse and relay box is mounted. Remove the protective cover to gain access.
Type 1
Diagram
Assignment
| № | Amp | Fuse function |
| 1 | 15A | Right rear position lamp and right parking light. |
| 2 | 15A | High beam right headlight. |
| 3 | 15A | High beam left headlight, signal light. |
| 4 | 15A | Reversing lights. |
| 5 | 15A | Stop lights. |
| 6 | 20A | Wiper motor. |
| 7 | 15A | Heated rear window, signal. |
| 8 | 20A | Interior lamp, cigarette lighter, radio tape recorder. |
| 9 | 20A | Clock, emergency light signaling, parking lights. |
| 10 | 15A | Illumination of the instrument panel, license plate lights, daytime running lights. |
| 11 | 15A | Left rear position lamp and left parking light. |
| 12 | 15A | Dipped beam of the right headlight. |
| 13 | 15A | Dipped beam left. |
| 14 | 15A | Fog lamp, rear fog lamp. |
| 15 | 15A | Radio tape recorder, |
| 16 | – | Reserve |
| 17 | – | Reserve |
| 18 | – | Reserve |
For the cigarette lighter, fuse number 8 is responsible for 20A.
Relays can be found separately under this fuse box (window wiper and turn signal relays.).
Type 2
Diagram
Designation
| № | Amp | Fuse function |
| 1 | 10A | Right parking light, right tail light |
| 2 | 10A | High beam right headlight |
| 3 | 10A | High beam left headlight, high beam indicator light |
| 4 | 10A | Reversing lamp |
| 5 | 10A | Stop lights |
| 6 | 20A | Wiper motor |
| 7 | 15A | Horn, heated rear window, accessories relay (circuit 15) |
| 8 | 20A | Interior lamp, cigarette lighter; radio (chain 30) |
| 9 | 15A | Clock, hazard warning lights, parking light |
| 10 | 10A | Instrument panel illumination, license plate light, daytime driving light |
| 11 | 10A Left parking light, left rear position light | |
| 12 | 10A | Dipped beam right headlight |
| 13 | 10A | Low beam left headlight |
| 14 | 15A | Fog lamps, rear fog lamp |
| 15 | 10A | Radio receiver (circuit 15) |
| 16 | 25A | Diesel engine control unit (circuit 30) |
| 17 | 15A | Engine control unit (circuit 30) |
| 18 | 15A | Ignition (circuit 15) |
| 19 | 15A | Gasoline pump (circuit 30) |
| 20 | 15A | Heating control panel (circuit 30) |
| 21 | 30A | Heating fan, front (circuit 30) |
For the cigarette lighter, fuse number 8 is responsible for 20A.
Relays are attached at the bottom:
- Windscreen wipers
- Engine control
- Direction indicators, hazard
Box under the seat
Type 1
The additional relay and fuse box are located under the driver’s seat behind a protective cover.
Photo example
Diagram
Decoding
№ | Amp | Fuse Function |
| R1 | Horn relay | |
| R2 | Special equipment | |
| R3 | Coolant pump relay | |
| 1 | 7.5A | Combined meter |
| 2 | 25A | Additional heater |
| 3 | 7.5A | Buzzer |
| 4 | 7.5A | Buzzer |
| 5 | 10A | Additional heater |
Type 2
Diagram
Appointment
| 9.1 | |
| F7 | ESP, terminal 30 |
| F11 | instrument cluster |
| F900 | Terminal 30 |
| F85 | Daytime running lights, terminal 30 |
| F43 | Remote radio control |
| F112 | Central locking system, terminal 30 |
| F100 | Central locking system, terminal 30 |
| F44 | Central locking systems |
| F101 | Additional liquid heater |
| 9.2 | |
| F115 | Terminal D+ |
| F158 | Fuel pump |
| F300 | Interior lighting |
| F70 | Relay el. circuit terminal D+ |
| F114 | Additional heat exchanger |
| F110 | trailer socket |
| F155 | Additional heater |
| F143 | Additional liquid heater |
| F19 | Additional turn signal module II |
| 9.3 | |
| F116 | Terminal 30 |
| F117 | Terminal 15 |
| F180 | Terminal 30 |
| F52 | Front passenger door window regulator |
| F53 | Driver’s door power window |
| F54 | Heated and adjustable exterior mirrors |
| F86 | Daytime running lights, terminal 15 |
| F87 | Left headlight |
| 9.4 | |
| F88 | Right headlight |
| F89 | Relay terminal 87 (1) |
| F90 | Relay terminal 87 (2) |
| F91 | Relay terminal 87 (3) |
| F128 | Heated driver’s seat |
| F139 | Additional liquid heater |
| F150 | Roof fan |
| F163 | Tachograph, terminal 30 |
| F164 | Tachograph, terminal 15 |
| 9.5 | |
| F5 | ESP |
| F119 | Additional air conditioning fan |
| F6 | ESP, terminal 30 |
| Relay | |
| K26 | Relay terminal D+ |
| K61 | Starter relay |
| K87 | Relay terminal 87 |
Under the driver’s seat, some additional relays can be installed.
That’s all. And if you have something to add – write in the comments.