Upgrade the sound system in your classic Mercedes-Benz while preserving a factory-correct interior appearance with this rear speaker adapter cover set. Designed for Mercedes W123, W116, and R107 chassis, these adapters allow you to install modern 5.25-inch aftermarket speakers in place of the original factory units.
Each component is precision 3D printed from high-strength, heat-resistant PETG, making them suitable for long-term automotive interior use. The design provides proper speaker mounting while maintaining a clean, OEM-style look.
Direct fit for Mercedes-Benz W123, W116, and R107
Converts factory rear speaker openings to accept 5.25" speakers
Maintains a clean, factory-style interior appearance
Durable PETG construction resistant to heat and impact
Designed for straightforward installation
Ideal for restoring or upgrading factory audio systems
2× Rear speaker grille / adapter covers
2× 5.25" speaker adapter plates
(Speakers and mounting hardware not included)
3D printed from automotive-grade PETG plastic
Designed to withstand interior heat and daily use
Precision fit for proper alignment and secure mounting
Original Mercedes speaker sizes limit replacement options and audio quality. These adapter covers allow modern speaker upgrades without cutting or permanently modifying your interior, making them ideal for restorations, daily drivers, or tasteful audio upgrades.
Designed for rear speaker locations
Please verify vehicle model and speaker size before purchase