2009 Mercedes-Benz CL550 Speaker Sizes

The 2009 Mercedes-Benz CL550 factory audio system features front door panels that accommodate 6.5 inch speakers, and rear door panels that accept a 4 inch speaker size. Compatible speaker types for a replacement and upgrade include midbass, full-range, and midrange.

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

Speaker Details by Location
Location Size Type Notes
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 4 Midrange
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2009 Mercedes-Benz CL550 Speaker Replacement Summary

2 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

Additional Notes

  • The 2009 Mercedes-Benz CL550 utilizes a two-way speaker configuration in the door panels, with 6.5 inch speakers positioned in the front doors and 4 inch speakers in the rear doors, suggesting a deliberate acoustic design that separates frequency reproduction duties between front and rear locations.
  • Front door speakers in the 2009 Mercedes-Benz CL550 accept either midbass or full-range replacement units, indicating flexibility in upgrade paths depending on whether the factory system includes separate tweeters or relies on full-range drivers for complete frequency coverage.
  • The rear door speakers are designated specifically for midrange frequencies, which typically handle vocal and instrumental fundamentals in the 300 Hz to 5 kHz range, working in conjunction with the front speakers to create a distributed soundstage throughout the cabin.
  • Front door speaker replacement might take priority over rear door upgrades, given the larger 6.5 inch size and midbass/full-range designation, as these drivers likely handle the majority of the audible frequency spectrum and contribute most significantly to overall sound quality.
  • The 4 inch rear speakers present certain acoustic limitations due to their smaller cone area, which restricts low-frequency extension and overall output capability compared to the front door installations, potentially making them less critical for initial upgrade consideration.
  • Aftermarket speaker selection would need to account for the compatibility designations, with full-range options for the front doors providing a simpler installation if factory tweeters are absent, while component midbass drivers would require retention or addition of separate high-frequency units.