2011 Mercedes-Benz SLK300 Speaker Sizes

The 2011 Mercedes-Benz SLK300 speaker size chart provides factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Information covers speakers positioned in the front door panels, center dash area, and behind the rear seat. Details include stock speaker sizes and mounting locations to assist with aftermarket installations and factory audio system upgrades.

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Speaker Details by Location
Location Size Type Notes
Behind Rear Seat 1 Tweeter
  • Requires seat removal
  • Limited access space
  • Medium replacement priority
  • Replacement difficulty: medium
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

2011 Mercedes-Benz SLK300 Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 2 High: 0

Replacement priority:

High: 2 Medium: 2 Low: 0

2011 Mercedes-Benz SLK300 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 2011 Mercedes-Benz SLK300 contains a multi-component audio system with separate tweeters and larger drivers distributed across different locations in the cabin.
  • Factory tweeters at 1 inch are positioned in both the front door panels and behind the rear seat, suggesting a distributed high-frequency setup.
  • The front door panels house dual-size speakers, combining 1 inch tweeters with 6.5 inch midbass or full-range drivers, which indicates a component-style configuration.
  • A 3.5 inch full-range speaker is located in the center dash, potentially serving midrange frequencies or supplementing center-channel sound reproduction.
  • Replacing the 6.5 inch front door drivers could be a primary consideration for sound improvement, as these handle the majority of mid and low-frequency content.
  • The tweeter positions suggest that upgrading high-frequency components might require work in multiple locations to maintain sonic balance.
  • Component speaker systems with separate tweeters and woofers would align with the factory configuration in the front doors.
  • The center dash speaker may contribute to stereo imaging and soundstage width, though its smaller size limits low-frequency output.
  • Both Single DIN and Double DIN radio compatibility provides flexibility for aftermarket head unit installations.
  • The rear tweeter placement behind the seat could indicate rear-fill functionality or surround sound processing in the factory audio design.