2009 Mercedes-Benz GL450 Speaker Sizes
2009 Mercedes-Benz GL450 speaker size chart details factory speaker specifications and locations throughout the audio system. Information covers replacement speakers in front door panels, rear door panels, rear roof, center dash, and cargo area positions. Data supports aftermarket speaker upgrade planning by identifying factory audio system specifications for each location.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| 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 |
|
2009 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: 12009 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 2009 Mercedes-Benz GL450 features a multi-speaker configuration with tweeters positioned in the front door panels, rear door panels, and rear roof area, all sized at 1 inch. This distribution of tweeters throughout the cabin may contribute to high-frequency sound dispersion across multiple seating positions.
- The center dash location houses a 3.5 inch full-range speaker, which typically handles mid-range frequencies in factory audio systems. This position often serves as a center channel or supplementary speaker for vocal clarity and soundstage centering.
- Both front and rear door panels accommodate 6.5 inch speakers that accept either midbass or full-range drivers. These locations generally represent the primary sound sources in the vehicle and could be considered priority positions for aftermarket upgrades when improving overall audio quality.
- Component speaker systems, which separate tweeters from midbass drivers, may integrate well with the existing speaker layout since dedicated 1 inch tweeter locations already exist in the door panels. This could allow for installation of aftermarket component sets without requiring extensive modifications to tweeter mounting points.
- The cargo area contains an 8 inch subwoofer location, suggesting that factory low-frequency reproduction may be limited compared to aftermarket subwoofer options. Upgrading this position could potentially enhance bass response, though the 8 inch size constraint would limit output compared to larger subwoofer installations.
- The radio opening accepts both single DIN and double DIN head units, providing flexibility for aftermarket stereo installations. Double DIN units typically offer larger displays and more advanced features, while single DIN units may allow for additional storage pocket retention in the 2009 Mercedes-Benz GL450 dashboard.
- The presence of dedicated midbass locations in the door panels suggests that a three-way component system configuration may be achievable, with tweeters handling high frequencies, door-mounted midbass drivers managing mid-range and lower frequencies, and the cargo subwoofer reproducing bass content.