1978 Mercedes-Benz 450SL Speaker Sizes

The 1978 Mercedes-Benz 450SL factory audio system features a dashboard location that accommodates a 4 inch speaker size alongside a rear deck lid location that supports 4x6 inch units. Midrange and full-range are compatible speaker types suitable for an audio replacement and upgrade.

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

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

1978 Mercedes-Benz 450SL 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

1978 Mercedes-Benz 450SL 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 dashboard speakers in the 1978 Mercedes-Benz 450SL are positioned as midrange drivers, suggesting they may handle vocal frequencies and mid-spectrum audio rather than serving as full-range units.
  • Replacing the dashboard speakers could affect clarity in spoken word and instrumental definition, as midrange drivers typically reproduce frequencies most sensitive to the human ear.
  • The rear deck lid speakers accommodate full-range drivers, which may be engineered to reproduce both bass and treble frequencies within the physical constraints of a 4x6 inch form factor.
  • Upgrading rear deck lid speakers might yield more noticeable overall sound improvement compared to dashboard replacements, as full-range drivers handle a broader frequency spectrum.
  • The single DIN radio specification indicates a standard head unit size that allows for modern aftermarket receiver installation without dashboard modification.
  • Coaxial speakers could serve as suitable replacements for the rear deck position, offering integrated tweeter elements within the 4x6 inch footprint.
  • Component speaker systems may not integrate easily into the dashboard positions given the midrange-specific role and space limitations of 4 inch openings.
  • Sound staging in this configuration likely relies on the dashboard speakers for frontal imaging while the rear deck provides ambient fill and lower frequency support.
  • Power handling specifications for replacement speakers would need consideration, as original equipment may have operated within conservative wattage parameters typical of period audio systems.