Filter Filters 450 Series Remove All Filters Price Under $50 (2) $50-$100 (2) $100-$500 (5) Condition New (9) Brand Harmony Audio (7) Kicker (2) Make Mercedes (9) Compatible with Mercedes 450 Series 73-80 Speaker Replacement Kicker DSC4... $205.99 Compatible with Mercedes 450 Series 73-80 OEM Speaker Replacement Harmony R4... $175.99 Compatible with Mercedes 450 Series 73-80 Speaker Replacement Kicker DSC4... $349.97 Compatible with Mercedes 450 Series 73-80 OEM Speaker Replacement Harmony R4... $232.99 Mercedes 450 Series 1973-1980 OEM Speaker Replacement Kicker DSC4 DSC46 Package $119.98 Mercedes 450 Series 1973-1980 OEM Speaker Replacement Harmony R4 R46 Package $70.99 Fits Mercedes 450 Series 1973-1980 Rear Deck Replacement Harmony HA-C4... $54.95 Fits Mercedes 450 Series 1973-1980 Front Dash Replacement Harmony HA-R4 Speakers $32.95 Fits Mercedes 450 Series 1973-1980 Rear Deck Replacement Harmony HA-R4 Speakers $34.95