2009 Mercedes-Benz R320 Speaker Sizes
The factory audio system within the 2009 Mercedes-Benz R320 designates specific locations for acoustic components. The d-pillar, front door panel, and rear door panel accommodate 1 inch speakers. The center dash accepts a 3.5 inch speaker size. Meanwhile, the cargo area, front door panel, and rear door panel accommodate 6.5 inch units. Compatible speaker types for replacement and upgrade projects consist of tweeters, full-range drivers, and midbass units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Cargo Area | 6.5 | Midbass / Full-Range |
|
| Center Dash | 3.5 | Full-Range |
|
| D-Pillar | 1 | Tweeter |
|
| 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 |
|
2009 Mercedes-Benz R320 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: 1Additional Notes
- The 2009 Mercedes-Benz R320 includes seven distinct speaker locations throughout the cabin and cargo area, with 1-inch tweeters positioned at three points and 6.5-inch speakers at three additional locations.
- Tweeters at 1 inch are found in the D-pillar, front door panels, and rear door panels, suggesting a distributed high-frequency setup across the listening environment.
- The center dash houses a 3.5-inch full-range driver, which may handle mid-frequency content in the forward soundstage.
- Door panel speakers at 6.5 inches accept both midbass and full-range drivers, potentially allowing owners to choose between dedicated bass reproduction or broader frequency coverage depending on the system configuration.
- A 6.5-inch location in the cargo area supports midbass or full-range applications, which could contribute to rear-fill or extend low-frequency output in the 2009 Mercedes-Benz R320.
- Replacing the 6.5-inch door speakers with quality midbass drivers might improve lower frequency clarity and impact, particularly if the factory components have degraded over time.
- The 1-inch tweeters across multiple zones could benefit from aftermarket units with wider dispersion characteristics to enhance spatial imaging and high-frequency detail.
- Component systems featuring separate tweeters and midbass drivers would align well with the existing factory locations in the door panels.
- The 3.5-inch center dash speaker might serve as a focal point for vocals and dialogue, though its small size may limit output capability compared to the larger drivers.