2008 Mercedes-Benz GL450 Speaker Sizes
A speaker size chart for the 2008 Mercedes-Benz GL450 details factory speaker specifications and locations throughout the audio system. Information covers speakers in the front door panel, rear door panel, rear roof, center dash, and cargo area. Data provided assists with identifying replacement or aftermarket upgrade options for the factory-installed audio components.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Cargo Area | 8 | Subwoofer |
|
| Center Dash | 3.5 | Full-Range |
|
| 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 |
|
| Rear Roof | 1 | Tweeter |
|
2008 Mercedes-Benz GL450 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: 12008 Mercedes-Benz GL450 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2008 Mercedes-Benz GL450 features a multi-speaker configuration with tweeters positioned in the front door panels, rear door panels, and rear roof area, all accommodating 1-inch units that handle high-frequency reproduction.
- A center dash location houses a 3.5-inch full-range speaker, which typically manages mid-frequency content and vocal clarity in the vehicle's soundstage.
- Both front and rear door panels contain 6.5-inch speaker openings designed for either midbass drivers or full-range speakers, providing flexibility in component selection based on whether the system uses dedicated tweeters or coaxial designs.
- The cargo area includes an 8-inch subwoofer location, suggesting factory integration of low-frequency reinforcement in the 2008 Mercedes-Benz GL450's audio system.
- Aftermarket upgrades would likely focus first on the 6.5-inch door positions, as these handle the majority of musical content and contribute substantially to overall sound quality when paired with the existing tweeter locations.
- Component speaker systems with separate tweeters and midbass drivers could utilize the existing 1-inch tweeter locations while replacing the 6.5-inch positions with dedicated midbass units for improved frequency separation.
- The dual radio compatibility with both single DIN and double DIN head units offers substantial flexibility for source unit upgrades without requiring dashboard modifications.
- Full-range speakers installed in the 6.5-inch positions would eliminate the need for separate crossovers if the factory tweeter locations were bypassed, though this configuration might sacrifice high-frequency extension and imaging precision.