1979 Mercedes-Benz 240D Speaker Sizes
The 1979 Mercedes-Benz 240D speaker size chart details factory speaker specifications and locations for replacement or aftermarket upgrade purposes. Information includes speaker positions in the dashboard and rear deck lid areas of the audio system. Data covers stock speaker sizes and locations to assist with aftermarket installations and factory audio system modifications.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Deck Lid | 5.25 | Midbass / Full-Range |
|
1979 Mercedes-Benz 240D Speaker Replacement Summary
2
total positions
1
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01979 Mercedes-Benz 240D 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 locations in the 1979 Mercedes-Benz 240D accommodate 4 inch midrange speakers, which suggests that higher frequency reproduction may be prioritized in the front soundstage, though bass output from these positions would likely be limited due to the smaller driver size.
- Rear deck lid positions accept 5.25 inch speakers that can function as either midbass or full-range drivers, indicating flexibility in system configuration depending on whether the front speakers handle upper frequencies exclusively or reproduce a broader spectrum.
- Coaxial full-range speakers in the 5.25 inch size could provide both midrange and treble output from the rear locations, potentially creating a more balanced listening environment when paired with the smaller dashboard midrange units.
- Component midbass drivers in the rear deck positions of the 1979 Mercedes-Benz 240D might require separate tweeter placement to maintain adequate high frequency response throughout the cabin, particularly if the dashboard speakers serve primarily as midrange sources.
- The single DIN radio opening provides standard mounting dimensions for aftermarket head units, which may be relevant when planning system upgrades that coordinate with speaker replacements in both front and rear positions.
- Power handling capabilities typically differ between 4 inch midrange and 5.25 inch midbass or full-range speakers, which could influence amplifier selection if the factory head unit is replaced with higher output components.
- Frequency response characteristics would vary considerably between the two speaker sizes, with the smaller dashboard units potentially crossing over at higher frequencies than the larger rear deck speakers in a properly configured system.