2009 Mercedes-Benz ML320 Speaker Sizes
The 2009 Mercedes-Benz ML320 speaker size chart displays factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information includes speaker positions in front door panels, rear door panels, rear roof area, center dash, and cargo area. Data covers factory-installed speaker specifications to assist with aftermarket audio system component compatibility.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Cargo Area | 8 | Subwoofer |
|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Roof | 1 | Tweeter |
|
2009 Mercedes-Benz ML320 Speaker Replacement Summary
7
total positions
5
easy to replace
3
high priority
1
professional only
Replacement difficulty:
Low: 5 Medium: 1 High: 1Replacement priority:
High: 3 Medium: 3 Low: 12009 Mercedes-Benz ML320 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 2009 Mercedes-Benz ML320 features a multi-speaker configuration with tweeters positioned in the front door panels, rear door panels, and rear roof locations, all utilizing 1-inch openings for high-frequency sound reproduction.
- The door-mounted speakers follow a two-way component pattern, pairing 1-inch tweeters with 6.5-inch midbass or full-range drivers in both front and rear door panels for divided frequency handling.
- A center dash location accommodates a 3.5-inch full-range speaker, potentially serving as a center channel element in the factory audio system's staging design.
- The cargo area contains an 8-inch subwoofer position, suggesting factory provision for low-frequency reinforcement separate from the door-mounted speaker array.
- Replacement priority might logically focus on the 6.5-inch door speakers first, as these midbass and full-range positions handle the majority of the audible frequency spectrum during typical listening.
- The tweeter positions accept relatively standard 1-inch units, which could simplify aftermarket upgrades when seeking to improve high-frequency clarity without extensive modification.
- Component speaker systems with separate tweeters and midbass drivers would align well with the existing architecture, particularly in the door locations where mounting provisions already exist for both elements.
- The 8-inch subwoofer location offers potential for enhanced bass response when replaced with an aftermarket unit, though enclosure type and available space would influence performance outcomes.
- The radio accepts both single DIN and double DIN head units, providing flexibility for aftermarket audio source upgrades that might better drive replacement speakers.
- Sound improvement through speaker replacement would likely be most noticeable in the door positions, where larger cone area and updated motor structures could increase dynamic range and tonal accuracy.