Mercedes-Benz S350 Turn Signal Bulb Size

The Mercedes-Benz S350 front turn signal requires a PY24WNA, 2357NA, or 1157 bulb size, while the rear turn signal uses a PY21W or 1156NA bulb size. The replacement chart covers 1994 through 2013 vehicle 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 Turn Signal

YearsUS TypeEU TypeShop
2012-2013PY24WNAPY24WCheck Price
20062357NAP21/5WCheck Price
19952357NAP21/5WCheck Price
19941157P21/5WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
20067507PY21WCheck Price
1994-19951156NAPY21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Amber variant of ECE PY24W with PGU20-4 base. 12V, 24W.PY24WNACheck Price
ECE standard (Europe & worldwide). Single-filament amber bulb with PGU20-4 base. 12V, 24W.PY24WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W.2357NACheck 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
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

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