Mercedes-Benz E350 Courtesy Bulb Size
The Mercedes-Benz E350 uses courtesy light components with 12961 and DE3423 bulb sizes depending on the specific vehicle configuration. Available data for the listed lighting specifications covers the period from 2006 through 2014.
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 Size |
|---|---|
| 2010-2014 | 12961 (Front) |
| 2006-2007 | DE3423 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V. | DE3423 |