2009 Mercedes-Benz E350 Speaker Sizes
The 2009 Mercedes-Benz E350 speaker size chart displays factory speaker specifications and locations throughout the audio system. Information covers front door panel, rear deck lid, rear door panel, rear roof, and rear speaker positions. Data includes sizes for factory speakers and compatible aftermarket replacement options for those considering an upgrade.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear | 8 | Subwoofer |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Roof | 1 | Tweeter |
|
2009 Mercedes-Benz E350 Speaker Replacement Summary
7
total positions
5
easy to replace
2
high priority
1
professional only
Replacement difficulty:
Low: 5 Medium: 1 High: 1Replacement priority:
High: 2 Medium: 4 Low: 12009 Mercedes-Benz E350 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Double DIN | 7"×4" | 180×100 | Double size for modern multimedia systems with large touchscreens |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2009 Mercedes-Benz E350 utilizes a distributed speaker configuration with dedicated tweeters positioned across multiple locations including front doors, rear doors, deck lid, and roof mounting points, all sized at 1 inch.
- Mid-range frequency reproduction relies on 6.5 inch speakers installed in both front and rear door panels, which can accommodate either midbass drivers or full-range units depending on the system design.
- Replacing the factory tweeters may offer limited acoustic improvement compared to upgrading the 6.5 inch door speakers, as larger drivers typically have greater impact on overall sound quality and output capability.
- The presence of an 8 inch subwoofer location suggests the factory audio system includes some degree of low-frequency enhancement, though aftermarket replacement could potentially extend bass response and increase output levels.
- Component speaker systems featuring separate tweeters and midbass drivers would align well with the existing architecture, utilizing the dedicated 1 inch tweeter locations while upgrading the 6.5 inch positions with higher-quality midbass units.
- The double DIN radio opening provides sufficient space for aftermarket head units with advanced features, which could serve as the foundation for a more extensive audio system upgrade beyond speaker replacement alone.
- Four separate tweeter locations throughout the cabin indicate an emphasis on high-frequency dispersion in the factory design, creating multiple sound staging points that aftermarket installations could maintain or reconfigure.
- Upgrading only the 6.5 inch door speakers while retaining factory tweeters represents a partial approach that may result in tonal imbalance, as newer drivers often exhibit different sensitivity and frequency response characteristics than original equipment.