Mercedes-Benz E550 Courtesy Bulb Size
The Mercedes-Benz E550 courtesy light uses bulb sizes 12961 and DE3423 according to the provided specifications for the vehicle interior lighting system. Data for the specific components covers the range from 2007 to 2017.
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 |
|---|---|
| 2010-2017 | 12961 (Front) |
| 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 |