2012 Mercedes-Benz GL450 Speaker Sizes

The 2012 Mercedes-Benz GL450 factory audio system features specific locations for audio components. Center dash accommodates 3.5 inch speakers, cargo area accepts an 8 inch speaker size, and front door panel and rear door panel and rear roof accommodate 1 inch speakers, while front door panel and rear door panel support 6.5 inch units. Tweeter, full-range, midbass, and subwoofer serve as compatible replacement and upgrade types.

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

Speaker Details by Location
Location Size Type Notes
Cargo Area 8 Subwoofer
  • Ample working space
  • Medium replacement priority
  • Replacement difficulty: low
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 Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 1 Tweeter
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low
Rear Roof 1 Tweeter
  • Requires headliner removal
  • Professional service only
  • Low replacement priority
  • Replacement difficulty: high

2012 Mercedes-Benz GL450 Speaker Replacement Summary

7 total positions
5 easy to replace
3 high priority
1 professional only

Replacement difficulty:

Low: 5 Medium: 1 High: 1

Replacement priority:

High: 3 Medium: 3 Low: 1

2012 Mercedes-Benz GL450 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 2012 Mercedes-Benz GL450 features a factory audio system with speakers distributed across seven distinct locations, utilizing three different size categories that range from 1-inch tweeters to an 8-inch subwoofer.
  • Tweeters occupy three separate positions throughout the cabin, including both front and rear door panels plus a rear roof location, all standardized at 1-inch sizing for high-frequency reproduction.
  • The center dash houses a 3.5-inch full-range speaker, which typically handles mid-range frequencies in the factory configuration and may serve as a critical component for vocal clarity and center-stage imaging.
  • Both front and rear door panels contain 6.5-inch speakers in addition to their respective tweeters, with compatibility for either midbass or full-range drivers depending on the replacement strategy chosen.
  • The cargo area subwoofer measures 8 inches and would typically handle low-frequency output, though its placement in the rear cargo section may present considerations for accessibility during replacement procedures.
  • Replacing the door panel speakers with component systems might yield noticeable improvements, as the existing tweeter locations could potentially integrate with aftermarket crossovers designed for 6.5-inch component sets.
  • The radio opening accepts both single DIN and double DIN head units, providing flexibility for aftermarket receiver upgrades that could complement speaker replacements with enhanced processing capabilities.
  • Upgrading the 6.5-inch door speakers to dedicated midbass drivers rather than full-range options could allow the existing tweeters to handle higher frequencies more effectively if properly integrated with external crossovers.