2003 Mercedes-Benz E320 Speaker Sizes
The 2003 Mercedes-Benz E320 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations throughout the vehicle: dashboard, front door panel, rear deck center, rear door panel, center dash, and rear side panel. Each location lists factory speaker specifications to assist with identifying compatible aftermarket options.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 3.5 | Full-Range |
|
| Dashboard | 1 | Tweeter |
|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Center | 1 | Tweeter |
|
| Rear Deck Center | 8 | Subwoofer |
|
| Rear Door Panel | 3.5 | Midrange |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Side Panel | 5.25 | Midbass / Full-Range |
|
2003 Mercedes-Benz E320 Speaker Replacement Summary
11
total positions
6
easy to replace
3
high priority
0
professional only
Replacement difficulty:
Low: 6 Medium: 5 High: 0Replacement priority:
High: 3 Medium: 7 Low: 12003 Mercedes-Benz E320 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 audio system in the 2003 Mercedes-Benz E320 incorporates multiple speaker sizes across various locations, with 1-inch tweeters distributed throughout the dashboard, front door panels, rear deck center, and rear door panels to handle high-frequency reproduction.
- Midrange frequencies may be addressed through the 3.5-inch midrange speakers in the rear door panels, while the center dash houses a 3.5-inch full-range unit that likely handles vocal and instrumental clarity in the listening environment.
- The front and rear door panels accommodate both 5.25-inch and 6.5-inch speakers designated for midbass and full-range applications, suggesting that certain locations might offer installation flexibility or that different trim levels utilized varying configurations.
- Rear side panels feature 5.25-inch midbass or full-range speakers, contributing to the overall soundstage distribution across the cabin space.
- Low-frequency reinforcement appears to be provided by an 8-inch subwoofer positioned in the rear deck center, which would typically handle bass frequencies below what the door-mounted speakers can effectively reproduce.
- The presence of dedicated tweeters at multiple points throughout the 2003 Mercedes-Benz E320 suggests a multi-way component system design rather than relying solely on coaxial speakers for each location.
- Replacing the door-mounted 6.5-inch speakers might offer substantial improvements in midbass response and overall tonal balance, as these units typically handle the majority of the frequency spectrum in automotive audio systems.
- The radio installation options support both single DIN and double DIN head units, providing flexibility for aftermarket receiver upgrades without requiring extensive dash modifications.
- Upgrading the 1-inch tweeters could potentially enhance high-frequency extension and detail retrieval, though matching sensitivity levels with existing or replacement midrange and midbass drivers would be advisable for balanced output.
- The 8-inch subwoofer location in the rear deck center may limit replacement options compared to more accessible mounting positions, though this placement often provides coupling advantages with the rear windshield for enhanced bass output.