2007 Mercedes-Benz C350 Speaker Sizes

The 2007 Mercedes-Benz C350 factory audio system features specific locations designed to accept various audio components. Center dash accommodates a 3.5 inch speaker size. Front door panel and rear door panel accommodate 6.5 inch units and 1 inch speakers. Rear deck center accommodates an 8 inch unit and a 1 inch speaker. Compatible speaker types for system replacement or upgrade include tweeter, full-range, midbass, and subwoofer variants.

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

Speaker Details by Location
Location Size Type Notes
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 Deck Center 1 Tweeter
  • Requires shelf removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Deck Center 8 Subwoofer
  • Requires shelf removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 1 Tweeter
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2007 Mercedes-Benz C350 Speaker Replacement Summary

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

Replacement difficulty:

Low: 4 Medium: 3 High: 0

Replacement priority:

High: 2 Medium: 5 Low: 0

2007 Mercedes-Benz C350 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 C350 contains multiple speaker locations with varying sizes, suggesting a multi-way audio system design that separates frequency ranges across different driver types.
  • Three 1-inch tweeter locations exist throughout the cabin, positioned in the front door panels, rear door panels, and rear deck center, which typically handle high-frequency reproduction in factory audio systems.
  • The 6.5-inch locations in both front and rear door panels accommodate either midbass or full-range speakers, providing flexibility for aftermarket upgrades depending on whether the system uses component or coaxial configurations.
  • A center dash location houses a 3.5-inch full-range speaker, which may serve as a center channel or supplementary fill speaker in the factory configuration.
  • The rear deck center includes an 8-inch subwoofer location alongside the 1-inch tweeter, indicating a factory effort to extend low-frequency response without requiring separate enclosures.
  • Replacing the door panel speakers might take priority over other locations since the 6.5-inch drivers in the 2007 Mercedes-Benz C350 handle a broader frequency range and contribute more substantially to overall sound quality than smaller specialized drivers.
  • Component speaker systems could utilize the existing 1-inch tweeter locations with the 6.5-inch midbass drivers, maintaining the factory's separation of frequency ranges while improving sound quality with aftermarket components.
  • The radio housing accepts both single DIN and double DIN head units, allowing for varied aftermarket receiver installations that might provide additional amplification or signal processing capabilities.
  • Upgrading the 8-inch rear deck subwoofer could enhance bass response without modifying the vehicle structure, though performance would depend on the available airspace behind the mounting location.
  • The presence of dedicated tweeter locations suggests that full-range speakers in the 6.5-inch positions might redundantly reproduce high frequencies, potentially causing phase issues if all factory locations remain active during component speaker upgrades.