1979 Mercedes-Benz 450SLC Speaker Sizes

The 1979 Mercedes-Benz 450SLC speaker size chart provides factory audio system specifications and locations for replacement speakers. Information includes details on dashboard and rear deck lid speaker positions, with data covering both original equipment and aftermarket upgrade options. The chart assists in identifying appropriate speaker specifications for maintaining or enhancing the vehicle audio system.

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Speaker Details by Location
Location Size Type Notes
Dashboard 4 Midrange
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Deck Lid 4x6 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1979 Mercedes-Benz 450SLC Speaker Replacement Summary

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

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 0 Medium: 2 Low: 0

1979 Mercedes-Benz 450SLC Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 1979 Mercedes-Benz 450SLC factory audio system includes 4-inch midrange speakers in the dashboard and 4x6-inch full-range speakers in the rear deck lid. Dashboard speakers may be considered higher priority for replacement since midrange drivers handle the vocal frequency range that tends to be most noticeable during typical listening.
  • Midrange speakers in the dashboard position typically focus on the 300Hz to 5kHz frequency spectrum, which contains most speech intelligibility and instrumental fundamentals. Aftermarket replacements with higher sensitivity ratings could provide noticeable clarity improvements without requiring additional amplification.
  • The rear deck lid speakers use a 4x6-inch configuration designed to reproduce the entire audible spectrum. Upgrading these full-range units to models with better cone materials and improved surround designs might enhance overall soundstage depth and tonal balance.
  • The single DIN radio opening provides standard mounting compatibility for aftermarket head units. Replacing the source unit alongside speaker upgrades would likely produce more substantial audio quality gains than speaker replacement alone, particularly regarding signal clarity and power delivery.
  • The 4-inch dashboard locations present physical constraints that may limit bass response regardless of speaker quality. This size typically rolls off below 150-200Hz, suggesting that the rear 4x6-inch speakers handle much of the lower frequency content in this two-location system.