2009 Mercedes-Benz C300 Speaker Sizes
The 2009 Mercedes-Benz C300 factory audio system features center dash and rear deck center locations that accept 3.5 inch units and an 8 inch speaker size respectively. Front door panel and rear door panel locations accommodate 1 inch speakers alongside 6.5 inch speakers, while rear deck center locations also accept 1 inch speakers. Compatible speaker types for replacement or upgrade installations include tweeters, full-range units, midbass drivers, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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 | 1 | Tweeter |
|
| Rear Deck Center | 8 | Subwoofer |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2009 Mercedes-Benz C300 Speaker Replacement Summary
7
total positions
4
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 3 High: 0Replacement priority:
High: 2 Medium: 5 Low: 02009 Mercedes-Benz C300 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 C300 contains multiple speaker locations with varying sizes, ranging from 1-inch tweeters to an 8-inch rear deck subwoofer position, suggesting a factory audio configuration that separates frequency ranges across different driver types.
- Tweeters occupy three locations in the vehicle: both front door panels, both rear door panels, and the rear deck center, each accepting 1-inch units designed for high-frequency reproduction.
- Two 6.5-inch locations exist in the front and rear door panels, compatible with either midbass drivers or full-range speakers, providing flexibility in component system design or direct full-range replacements.
- The center dash houses a 3.5-inch full-range speaker, which typically handles mid-range frequencies and contributes to the soundstage width across the dashboard area.
- An 8-inch subwoofer location in the rear deck center indicates factory provisions for low-frequency reinforcement, though aftermarket options in this size category may offer enhanced bass response compared to original equipment.
- The double DIN radio opening in the 2009 Mercedes-Benz C300 allows for aftermarket head unit installations with larger touchscreen displays or advanced connectivity features while maintaining integration with existing speaker locations.
- Replacing the 6.5-inch door speakers with higher-sensitivity aftermarket midbass or full-range units could produce noticeable improvements in midrange clarity and overall output levels without requiring amplification changes.
- The separation of tweeter and larger driver sizes across multiple locations suggests that component speaker systems with external crossovers may integrate more naturally than coaxial designs in certain positions.