Mercury Mountaineer Trunk Bulb Size
The Mercury Mountaineer trunk utilizes 578 and 211-2 bulb sizes for the interior lighting components located within the rear cargo area. Available data covers the specific range from 1997 through 2010 for the listed vehicle components.
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 |
|---|---|
| 2002-2010 | 578 |
| 1997-2001 | 211-2 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V, 12W. | 578 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |