2007 Mercedes-Benz SL550 Speaker Sizes

The 2007 Mercedes-Benz SL550 speaker size chart provides factory specifications for replacement or aftermarket audio components. Information includes locations of speakers within the vehicle and available sizes for system upgrades. Details cover front door panel and rear door panel positions, enabling identification of compatible aftermarket units based on OEM specifications.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

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 3.5 Midrange
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2007 Mercedes-Benz SL550 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

2007 Mercedes-Benz SL550 Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Double DIN 7"×4" 180×100 Double size for modern multimedia systems with large touchscreens
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 2007 Mercedes-Benz SL550 factory audio configuration utilizes different speaker sizes between front and rear locations, with 6.5 inch units installed in the front door panels and smaller 3.5 inch components positioned in the rear door panels.
  • Front door speakers in this application accept both midbass drivers and full-range units, suggesting that owners may select between dedicated frequency-specific components or single-driver solutions depending on their system architecture preferences.
  • The rear door panel locations accommodate 3.5 inch midrange speakers specifically, which typically handle vocal and instrumental frequencies in the middle portion of the audible spectrum rather than reproducing deep bass or extreme high frequencies.
  • Replacing the front door speakers might take priority in many upgrade scenarios, as the larger 6.5 inch size generally permits greater cone excursion and lower frequency extension compared to the smaller rear units.
  • The Double DIN radio opening in the 2007 Mercedes-Benz SL550 provides approximately twice the installation depth of a single DIN space, which may allow for aftermarket head units with expanded feature sets or integrated amplification capabilities.
  • Sound quality enhancement could potentially be achieved through aftermarket speaker installation, as larger cone area in the front doors and dedicated midrange positioning in the rear doors offer distinct upgrade pathways for different frequency ranges.
  • Component speaker systems with separate tweeters and crossovers might integrate with the existing front door locations, while the rear 3.5 inch midrange positions could complement such a configuration by filling in center frequency reproduction.