Mercedes-Benz GL450 Turn Signal Bulb Size
The Mercedes-Benz GL450 front inner turn signal requires a 3457NA or 3357NA bulb size, while the front turn signal uses a PY24WNA or 3457NA bulb size, and the rear turn signal requires a 12496 or PY21W bulb size. The replacement chart covers vehicle production years spanning 2007 to 2016 with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Inner 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 |
|---|---|---|---|
| 2011-2012 | 3457NA | PY27/7W | Check Price |
| 2010 | 3357NA | 3357NA | Check Price |
| 2007-2009 | 3457NA | PY27/7W | Check Price |
Front Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2013-2016 | PY24WNA (With Halogen Capsule Headlamps) | PY24W | Check Price |
| 2011-2012 | 3457NA | PY27/7W | Check Price |
| 2007-2010 | 3457NA (Side rearview mirror) | 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 |
|---|---|---|---|
| 2012 | 12496 | 12496 | Check Price |
| 2011 | 7507 | PY21W | Check Price |
| 2010 | 12496 | 12496 | Check Price |
| 2008-2009 | 7507 | PY21W | Check Price |
| 2007 | 12496 | 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 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25), natural amber glass. 12V, 27W. | 3357NA | Check Price |
| ANSI standard (US & Canada). Amber variant of ECE PY24W with PGU20-4 base. 12V, 24W. | PY24WNA | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with PGU20-4 base. 12V, 24W. | PY24W | 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 |