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Where is the audio fuse on a 2003 e320?

The audio fuse for a 2003 E320 Mercedes-Benz is located in the fuse box in the trunk. Here are the steps on how to locate and replace the audio fuse:

1. Open the trunk of your vehicle.

2. Locate the fuse box, which is usually located on the left side of the trunk. It is a black plastic box with a cover that can be opened.

3. Open the fuse box cover and locate the audio fuse. The fuse is labeled as "AUDIO" or "SOUND" and it is typically a 7.5 amp mini fuse.

4. Check the audio fuse to see if it is blown. A blown fuse will have a broken filament inside. If the audio fuse is blown, you can replace it with a new fuse of the same amperage.

5. Close the fuse box cover and secure it properly.

6. Start your vehicle and test the audio system to ensure that it is working properly.

Note: If the audio fuse blows again, it is recommended that you have your vehicle checked by a qualified mechanic to identify the cause of the problem. There may be an underlying electrical issue that needs to be addressed.