2007 Mercedes-Benz GL450 Speaker Sizes

The 2007 Mercedes-Benz GL450 factory audio system features specific mounting locations that accept various components, where the cargo area accommodates an 8 inch speaker size. Additionally, the center dash supports 3.5 inch speakers, and the front door panel and rear door panel accommodate 6.5 inch units as well as 1 inch units, while the rear roof supports 1 inch units. Compatible speaker types for a replacement and upgrade project include tweeters, full-range drivers, midbass units, and subwoofers.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
Cargo Area 8 Subwoofer
  • Ample working space
  • Medium replacement priority
  • Replacement difficulty: low
Center Dash 3.5 Full-Range
  • Requires dashboard disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 1 Tweeter
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Roof 1 Tweeter
  • Requires headliner removal
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high

2007 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: 1

Replacement priority:

High: 3 Medium: 3 Low: 1

2007 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 2007 Mercedes-Benz GL450 features a multi-location speaker configuration with seven distinct mounting positions distributed across the cabin and cargo area, utilizing three different size categories for various frequency ranges.
  • Tweeter positions are allocated to three specific locations in the vehicle, with 1-inch mounting points found in both front and rear door panels as well as the rear roof area, suggesting a design emphasis on high-frequency sound dispersion throughout the passenger compartment.
  • Mid-range and lower frequency reproduction may rely on the 6.5-inch positions in both front and rear door panels, which accept either midbass or full-range speaker types depending on the system configuration chosen during replacement.
  • The center dashboard contains a 3.5-inch full-range speaker position, which could serve as a dedicated center channel for voice or general audio content in the factory audio architecture.
  • Low-frequency reinforcement may be handled by the 8-inch subwoofer position located in the cargo area, which would typically address bass frequencies below the range of the door-mounted speakers.
  • Component speaker systems might prove compatible with the 2007 Mercedes-Benz GL450 due to the separate tweeter and midbass mounting points available in the door panels, allowing for dedicated high and low-frequency drivers in the front soundstage.
  • The radio replacement options include both single DIN and double DIN form factors, providing flexibility for aftermarket head unit installations without apparent restrictions on standard sizing configurations.
  • Priority during speaker replacement might logically begin with the front door 6.5-inch positions and front door tweeters, as these locations typically contribute most significantly to the primary listening experience for front-seat occupants.
  • Sound staging could potentially benefit from the multiple tweeter locations, as the distribution across door panels and rear roof may create a more diffuse high-frequency field within the cabin space.
  • The midbass or full-range designation for the 6.5-inch positions suggests that replacement speakers in these locations could serve dual purposes, either as standalone full-range units or as dedicated midbass drivers when paired with separate tweeters.