Mercedes-Benz CLA250 Tail Light Bulb Size
The Mercedes-Benz CLA250 tail light utilizes bulb size 921 or PY21W depending on the specific configuration of the lighting assembly. Data for the provided bulb sizes covers the range from 2019 to 2020.
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 |
|---|---|
| 2020 | PY21W (Halogen) |
| 2019 | 921 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 |