Mercedes-Benz SLK350 Turn Signal Bulb Size
The Mercedes-Benz SLK350 front turn signal bulb utilizes 3457NA or 3357NA size, while the rear turn signal bulb requires 12496, PY21W, or 1156NA size. The replacement chart covers 2005 through 2016 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 |
|---|---|---|---|
| 2012-2016 | 3457NA (With Halogen Capsule Headlamps) | PY27/7W | Check Price |
| 2008-2011 | 3457NA | PY27/7W | Check Price |
| 2007 | 3357NA | 3357NA | Check Price |
| 2005-2006 | 3457NA | 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 |
|---|---|---|---|
| 2011 | 12496 | 12496 | Check Price |
| 2009-2010 | 7507 | PY21W | Check Price |
| 2008 | 12496 | 12496 | Check Price |
| 2007 | 7507 | PY21W | Check Price |
| 2005-2006 | 1156NA | PY21W | 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 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA | 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 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base, natural amber glass. 12V, 21W. | 1156NA | Check Price |