2009 Mercedes-Benz E550 Speaker Sizes
The 2009 Mercedes-Benz E550 factory audio system features specific mounting positions within the vehicle cabin. Front door panel and rear door panel locations accept 6.5 inch speakers, while front door panel, rear door panel, and rear deck lid locations accommodate a 1 inch speaker size. Component choices for acoustic enhancement and sound replacement upgrade include tweeters, midbass, and full-range units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
2009 Mercedes-Benz E550 Speaker Replacement Summary
5
total positions
5
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 5 Medium: 0 High: 0Replacement priority:
High: 2 Medium: 3 Low: 02009 Mercedes-Benz E550 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 E550 features a distributed speaker configuration with dedicated tweeters positioned across multiple cabin locations, suggesting a multi-way audio architecture that separates high-frequency reproduction from mid-range and bass output.
- Replacement priority likely centers on the 6.5-inch door-mounted speakers, as these handle the majority of the audible frequency spectrum and tend to experience material degradation over time from environmental exposure and mechanical stress.
- The presence of 1-inch tweeters in both front and rear door panels, along with the rear deck lid, indicates a design emphasizing treble dispersion throughout the passenger compartment rather than concentrating high-frequency sources at the front soundstage.
- Aftermarket component speaker systems with separate crossovers could integrate into the existing locations, utilizing the factory tweeter positions while upgrading the 6.5-inch midbass drivers for enhanced clarity and dynamic range.
- The 2009 Mercedes-Benz E550 allows for either midbass or full-range speaker installation in the door positions, though component systems with dedicated tweeters already in place would make midbass-specific drivers the more logical choice to maintain proper frequency distribution.
- Sound quality improvements would likely result from replacing aging factory speakers with units featuring higher power handling, lower distortion characteristics, and materials resistant to thermal and humidity-related deterioration common in door-mounted installations.
- The double DIN radio opening provides sufficient space for head unit replacements that include advanced digital signal processing, which could optimize output to upgraded speakers by compensating for cabin acoustics and factory amplifier characteristics.