Smart Fortwo Side Marker Bulb Size
The Smart Fortwo rear side marker bulb uses a P21/5W size across the model line. The replacement chart covers 2008 to 2018 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.
Rear Side Marker
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2016-2018 | 1157 (Without LED Tail Lights) | P21/5W | Check Price |
| 2008-2015 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |