Mercedes-Benz 300SD Turn Signal Indicator Bulb Size
Mercedes-Benz 300SD turn signal indicator bulb uses a 2721 size bulb for this model. The replacement chart covers 1981 to 1985 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.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 1981-1985 | 2721 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 2721 |