Mercedes-Benz s350 has only one fuse box, which is located behind the left headlight in the engine compartment and next to the battery. It is a black box, which contains all the fuses of the vehicle. The specific operation steps for finding the fuse box are as follows:

1. Call up the P word of Mercedes-Benz S350 electronic handbrake.

2. Open the driving door of Mercedes-Benz S350.

3. Pull the hood switch of Mercedes S350.

4. Open the hood of Mercedes-Benz S350.

5. Hydraulic rod will support the hood of Mercedes-Benz S350.

6. The fuse box of Mercedes-Benz s350 is located at the rear of the left headlight, next to the battery.