Mercedes-Benz GLA250 Turn Signal Bulb Size
The Mercedes-Benz GLA250 front turn signal uses bulb sizes 3457NA and 12496, while the rear turn signal requires 12496 and PY21W bulb sizes. The replacement chart covers 2015 to 2020 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.
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 | 3457NA (With Halogen Capsule Headlamps) | PY27/7W | Check Price |
| 2019 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2015-2018 | 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 |
|---|---|---|---|
| 2017-2020 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2016 | 7507 (With Halogen Capsule Headlamps) | PY21W | Check Price |
| 2015 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |