2009 Mercedes-Benz SLK55 AMG Speaker Sizes

The 2009 Mercedes-Benz SLK55 AMG speaker size chart provides factory audio system specifications and locations for replacement speakers. Information covers aftermarket speaker options for front door panel positions, center dash installation points, and behind rear seat areas. Details support vehicle audio system upgrade planning with OEM and aftermarket component data.

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
Behind Rear Seat 1 Tweeter
  • Requires seat removal
  • Limited access space
  • Medium replacement priority
  • Replacement difficulty: medium
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

2009 Mercedes-Benz SLK55 AMG Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 2 High: 0

Replacement priority:

High: 2 Medium: 2 Low: 0

2009 Mercedes-Benz SLK55 AMG 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 SLK55 AMG appears to prioritize tweeter replacement in both front and rear locations, with 1-inch units positioned in the front door panels and behind the rear seat potentially handling high-frequency sound reproduction.
  • Full-range speakers may serve different purposes depending on their location, as the 3.5-inch center dash unit could focus on vocal clarity while the 6.5-inch front door panel speakers might handle broader frequency ranges or midbass duties.
  • The dual compatibility designation for the 6.5-inch front door speakers suggests flexibility in system design, allowing either dedicated midbass drivers in a component setup or standalone full-range units in a simpler configuration.
  • Sound staging in the 2009 Mercedes-Benz SLK55 AMG could benefit from the distributed tweeter placement, with dedicated 1-inch high-frequency drivers potentially creating a wider soundstage when paired with the larger door-mounted speakers.
  • The relatively small 3.5-inch center dash speaker might present limitations for low-frequency output but could contribute to midrange presence and stereo imaging when properly integrated with the door-mounted components.
  • Aftermarket component speaker systems would likely utilize the existing tweeter locations while upgrading the 6.5-inch positions with dedicated midbass drivers, potentially improving overall frequency response and dynamic range compared to factory full-range configurations.