Mercedes-Benz ML320 Fog Light Bulb Size

The Mercedes-Benz ML320 front fog light uses H11, H7, or H8 bulb sizes, while the rear fog light requires 921, P21W, or P21/4W bulb sizes depending on production specifications. The replacement chart covers 1998 to 2009 model years with corresponding bulb size data for each generation.

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

Front Fog Light

YearsBulb Size
2008-2009H11
2007H7
2002-2003H8
1998-2001H3

Rear Fog Light

YearsBulb Size
2009921
2007-2008P21W
1998-2003P21/4W

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-2 base. Also approved in the US. 12V, 55W.H11
ECE standard (Europe & worldwide). Single-filament halogen bulb with PX26d base. Also approved in the US and Japan. 12V, 55W.H7
ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-1 base. Also approved in the US. 12V, 35W.H8
ECE standard (Europe & worldwide). Single-filament halogen bulb with PK22s base. Also approved in the US and Japan. 12V, 55W.H3
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.921
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAZ15d bayonet base. 12V, 21W/4W.P21/4W

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