Mercedes-Benz 450SL Parking Light Bulb Size

The Mercedes-Benz 450SL parking light requires a P21/5W bulb size for proper installation and function. Available data for the specified component covers the period from 1973 to 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
1973-1980P21/5W

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5W

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