Mercedes-Benz SLK350 Back Up Light Bulb Size

The Mercedes-Benz SLK350 back up light utilizes 921 and P21W bulb sizes for the rear illumination system. Data for the specific bulb requirements covers the range from 2005 to 2016.

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

YearsUS TypeEU TypeShop
2012-2016921W16WCheck Price
2005-20111156P21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.921Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price

Other Locations