Mercedes-Benz S320 Turn Signal Bulb Size

The Mercedes-Benz S320 front turn signal uses 2357NA and 1157 bulb sizes, while the rear turn signal requires PY21W, 1156NA, and P21W bulb sizes. The replacement chart covers 1994 to 1999 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
1995-19992357NAP21/5WCheck Price
19941157P21/5WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
1998-19997507PY21WCheck Price
19971156NAPY21WCheck Price
19961156P21WCheck Price
1994-19951156NAPY21WCheck Price

Bulb Specifications

Description Type Shop
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
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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