2003 Mercedes-Benz C320 Speaker Sizes
The 2003 Mercedes-Benz C320 speaker size chart provides factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information includes speakers positioned in the front door panel, center dash, rear door panel, rear side panel, and rear deck center. Data covers OEM specifications to assist with selecting compatible aftermarket speakers for the vehicle's audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Center | 8 | Subwoofer |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Side Panel | 6.5 | Midbass / Full-Range |
|
2003 Mercedes-Benz C320 Speaker Replacement Summary
6
total positions
3
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 3 Medium: 3 High: 0Replacement priority:
High: 2 Medium: 3 Low: 12003 Mercedes-Benz C320 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2003 Mercedes-Benz C320 contains multiple speaker locations throughout the cabin, with six distinct mounting positions ranging from 1 inch tweeters to an 8 inch subwoofer location.
- The front door panels accommodate both 1 inch tweeter units and 6.5 inch midbass or full-range speakers, suggesting a component system configuration in the front soundstage.
- Three separate 6.5 inch speaker locations exist in the vehicle, positioned in the front door panels, rear door panels, and rear side panels, all accepting either midbass or full-range speaker types.
- A center dashboard location houses a 3.5 inch full-range speaker, which typically handles mid-frequency content in the factory audio configuration.
- The rear deck center position accepts an 8 inch subwoofer, providing dedicated low-frequency reproduction from the factory.
- Replacing the front door panel speakers in the 2003 Mercedes-Benz C320 would likely produce the most noticeable sonic improvement, given their role in primary mid-range and vocal reproduction.
- Component speaker systems with separate tweeters and woofers would integrate directly into the existing front door panel architecture without requiring additional mounting modifications.
- The vehicle accepts both Single DIN and Double DIN aftermarket head units, allowing flexibility in audio source upgrades alongside speaker replacements.
- The 8 inch subwoofer location may benefit from an aftermarket replacement if enhanced bass extension and output are desired, though the existing space constrains maximum cone area.
- The 3.5 inch center dash speaker position could be upgraded to improve dialogue clarity and center image focus, though its small size limits low-frequency capability.