2009 Mercedes-Benz GL550 Speaker Sizes

The 2009 Mercedes-Benz GL550 factory audio system features specific location parameters, where the center dash accommodates a 3.5 inch speaker size, while the front door panel and rear door panel accept 6.5 inch speakers. Additionally, the front door panel, rear door panel, and rear roof support 1 inch units, and the cargo area accepts an 8 inch unit. Compatible speaker types for a replacement and upgrade include tweeter, full-range, midbass, and subwoofer.

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

2009 Mercedes-Benz GL550 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

Additional Notes

  • The 2009 Mercedes-Benz GL550 features a multi-location speaker configuration with varying sizes ranging from 1 inch to 8 inches across seven distinct mounting positions.
  • Tweeter replacement opportunities exist in three separate locations, with 1-inch units positioned in both front and rear door panels plus an additional set in the rear roof area.
  • Component speaker systems could potentially utilize the existing tweeter locations in conjunction with the 6.5-inch midbass positions in the door panels for a factory-style integration.
  • Full-range speaker options are available for both the 3.5-inch center dash position and the 6.5-inch door panel locations, offering flexibility in speaker selection based on system design preferences.
  • The door panel positions accommodate 6.5-inch speakers that can function as either dedicated midbass drivers in component setups or as standalone full-range units.
  • Low-frequency reinforcement may be addressed through the 8-inch subwoofer location in the cargo area, which differs from the smaller 6.5-inch and 3.5-inch speakers found elsewhere in the vehicle.
  • Sound staging possibilities include the center dash 3.5-inch full-range speaker, which occupies a central position distinct from the door-mounted and overhead speaker locations.
  • The dual 6.5-inch positions in front and rear doors suggest balanced left-right sound distribution for both front and rear seating areas.