Mercedes-Benz GL350 Courtesy Bulb Size
The Mercedes-Benz GL350 courtesy bulb uses a DE3423 size bulb for interior lighting applications. The replacement chart covers vehicle production spanning 2010 to 2012.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Type | Shop |
|---|---|---|
| 2010-2012 | DE3423 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 | Check Price |