Mercedes-Benz 300SEL Side Marker Bulb Size
The Mercedes-Benz 300SEL front side marker uses a P21/5W bulb size, while the rear side marker requires a 3893 bulb size. The replacement chart covers vehicle production spanning 1969 to 1991 with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1988-1991 | 1157 | P21/5W | Check Price |
| 1969-1973 | 3893 | 3893 | Check Price |
Rear Side Marker
| Years | Bulb Type | Shop |
|---|---|---|
| 1988-1991 | 3893 | Check Price |
| 1969-1973 | 3893 | 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 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, specialty application. 12V. | 3893 | Check Price |