Maintaining your 2008 Mercedes-Benz C300 in top condition requires understanding its various systems, and the electrical system is paramount. A crucial component of this system is the fuse box, or fuse panel. Fuses protect your vehicle’s electrical circuits from overloads, preventing damage to expensive components. When electrical issues arise, checking the fuse box is often the first and easiest step in troubleshooting.
This comprehensive guide is specifically tailored for the 2008 Mercedes-Benz C300 (W204) and provides detailed fuse box diagrams, locations, and fuse assignments. Whether you are experiencing a malfunctioning component or performing routine maintenance, understanding your C300’s fuse panel is invaluable. This article will walk you through each fuse box location and provide clear diagrams to help you quickly identify and address any fuse-related issues.
Instrument Panel Fuse Box
Fuse Box Location
The primary interior fuse box in your 2008 Mercedes-Benz C300 is located inside the cabin, easily accessible to the driver. You’ll find it on the driver’s side of the instrument panel, concealed behind a protective cover.
Fuse Box Diagram
Below is the fuse diagram for the instrument panel fuse box in your Mercedes-Benz C300. Refer to this diagram in conjunction with the fuse assignment table to pinpoint the fuse related to a specific vehicle function.
Instrument Panel Fuse Assignment Table
| Fuse # | Fused Function | Amp |
|---|---|---|
| 116 | Driver seat control unit | 30 |
| 117 | Adaptive damping system control unit | 15 |
| 118 | Spare | – |
| 119 | Rear blower motor AMG Performance Media control unit (valid as of 1.6.12) | 7.5 |
| 120 | Spare | – |
| 121 | Spare | – |
| 122 | Spare | – |
| 123 | Steering column tube module control unit | 10 |
| 124 | Spare | – |
| 125 | Spare | – |
| 126 | Front passenger seat control unit | 30 |
| 127 | Spare | – |
| 128 | Spare | – |
| 129 | Valid for engine 156: Oil cooler fan motor relay | 20 |
| 130 | Spare | – |
| 131 | Spare | – |
| 132 | Spare | – |
| 133 | Spare | – |
| 134 | Spare | – |
| 135 | Spare | – |
Engine Compartment Fuse Box
Fuse Box Location
For components under the hood, your 2008 Mercedes-Benz C300 has a fuse box situated in the engine compartment. This fuse box is typically located on the left-hand side (driver’s side in left-hand drive vehicles), and it’s protected by a plastic cover.
Fuse Box Diagram
The engine compartment fuse box controls many vital functions. Refer to the diagram and the accompanying table below to understand the function of each fuse and relay within this box.
Engine Compartment Fuse and Relay Assignment Table
| Fuse/Relay
