Mercedes-Benz ML450 Stepwell Bulb Size

The Mercedes-Benz ML450 stepwell bulb uses a DE3423 size. The replacement chart covers 2010 to 2011 vehicle production years with corresponding bulb specifications.

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 TypeShop
2010-2011DE3423 (Legroom)Check Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V.DE3423Check Price

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