Mercedes-Benz CLA45 AMG Turn Signal Bulb Size
Mercedes-Benz CLA45 AMG front and rear turn signal bulbs use PY21W or 12496 sizes as replacement options. The chart covers 2014 to 2020 model 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
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 |
|---|---|---|---|
| 2020 | 7507 (Halogen) | PY21W | Check Price |
| 2019 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2014-2018 | 3457NA (With Halogen Capsule Headlamps) | PY27/7W | Check Price |
Rear Turn Signal
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 |
|---|---|---|---|
| 2020 | 12496 | 12496 | Check Price |
| 2018-2019 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2017 | 7507 (With Halogen Capsule Headlamps) | PY21W | Check Price |
| 2016 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2015 | 7507 (With Halogen Capsule Headlamps) | PY21W | Check Price |
| 2014 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA | Check Price |