Mercedes-Benz GL320 Brake Bulb Size

The Mercedes-Benz GL320 brake light uses a P21W bulb size for the specific lighting component located at the rear of the vehicle. Data for the bulb specifications covers the range from 2007 to 2009.

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
2007-2009P21W

Bulb Specifications

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

Other Locations