Mercedes-Benz E300 Turn Signal Bulb Size

Mercedes-Benz E300 front turn signal bulbs use PY21W, 1156NA, or P21/5W sizes, while rear turn signal bulbs use 921, 1156NA, or P21W sizes. The replacement bulb chart covers 1995 through 2019 production years.

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

Front Turn Signal

YearsUS TypeEU TypeShop
2017-20197507PY21WCheck Price
1996-19991156NAPY21WCheck Price
19951157P21/5WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
2019921W16WCheck Price
1997-19991156NAPY21WCheck Price
19961156P21WCheck Price
19957507PY21WCheck Price

Bulb Specifications

Description Type Shop
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W.PY21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base, natural amber glass. 12V, 21W.1156NACheck Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
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

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