Mercedes-Benz 450SL Brake Bulb Size

The Mercedes-Benz 450SL brake light requires a P21W bulb size for proper installation and function within the rear lighting assembly. Available data covers the production span from 1973 through 1980.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

YearsBulb Size
1973-1980P21W

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W

Other Locations