Mercedes-Benz SLK300 Fog Light Bulb Size

Mercedes-Benz SLK300 front fog lights use H7 and 9006 bulb sizes, while rear fog lights require P21W bulbs. The replacement chart covers 2009 to 2011 production years with corresponding bulb size specifications.

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
2010-2011H7
20099006

Rear Fog Light

YearsBulb Size
2009-2011P21W

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Single-filament halogen bulb with PX26d base. Also approved in the US and Japan. 12V, 55W.H7
ANSI standard (US & Canada). Single-filament halogen bulb with P22d base. 12V, 55W.9006
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W

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