2007 Mercedes-Benz C350 Speaker Sizes

The 2007 Mercedes-Benz C350 speaker size chart provides factory and aftermarket speaker specifications for replacement or upgrade purposes. Information includes audio system locations in the front door panel, rear deck center, rear door panel, and center dash. Specifications detail factory-installed sizes and compatible aftermarket options for each position.

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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.