Mercedes-Benz SLK250 Turn Signal Bulb Size
The Mercedes-Benz SLK250 front turn signal bulb uses 3457NA and 3357NA sizes for the specified bulb applications. A replacement chart covering 2012 to 2015 model years documents the bulb specifications across this production range.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
| Years | Bulb Size |
|---|---|
| 2014-2015 | 3457NA (With Halogen Capsule Headlamps) |
| 2012-2013 | 3357NA (With Halogen Capsule Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3457NA |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA |