2009 Mercedes-Benz R350 Speaker Sizes
The 2009 Mercedes-Benz R350 speaker size chart provides factory speaker specifications and locations for replacement or aftermarket audio system upgrades. Information covers speakers in the front door panel, rear door panel, d-pillar, center dash, and cargo area positions. Details enable identification of OEM audio components throughout the vehicle.
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| 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 R350 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 R350 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 R350 incorporates a multi-location speaker configuration with seven distinct mounting positions spread across the cabin and cargo area, suggesting a factory audio design that distributes sound sources throughout the interior space.
- Tweeter locations in this vehicle include three separate 1-inch positions at the D-pillar, front door panel, and rear door panel, which may handle upper-frequency reproduction across front and rear seating zones.
- The center dash houses a 3.5-inch full-range speaker that could serve as a dedicated center channel or supplementary sound source, potentially contributing to vocal clarity and front-stage imaging.
- Door panel speakers utilize 6.5-inch units compatible with both midbass and full-range types in both front and rear positions, indicating these locations may function as primary sound sources for mid and lower frequencies when upgrading the system.
- A 6.5-inch speaker location in the cargo area extends the audio system beyond typical passenger seating zones, though its role in overall sound coverage would depend on internal cabin configuration and listening priorities.
- Replacement speakers for the 2009 Mercedes-Benz R350 would need to match the specific size designations at each location, with particular attention to depth and mounting requirements that vary by position within the vehicle structure.
- Component speaker systems could leverage the existing tweeter and midbass locations in the door panels, potentially offering separation of frequency ranges if crossover networks are properly integrated during installation.
- The double DIN radio opening provides standard aftermarket head unit compatibility, which may influence upgrade paths for those seeking enhanced processing capabilities or modern connectivity features alongside speaker replacement.