2008 Mercedes-Benz GL450 Speaker Sizes
The 2008 Mercedes-Benz GL450 factory audio system features specific locations for sound reproduction components. Center dash accommodates 3.5 inch speakers. Front door panel and rear door panel accept 1 inch units, while cargo area supports an 8 inch speaker size. Furthermore, front door panel and rear door panel support 6.5 inch speakers, and rear roof accepts 1 inch units. Compatible speaker types for a replacement and upgrade consist of tweeters, full-range, midbass, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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.