Mercury Mariner Back Up Light Bulb Size
The Mercury Mariner back up light utilizes 921 and 3156 bulb sizes for the rear illumination system. Data for the specific components covers the period from 2005 through 2011.
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 | US Type | EU Type | Shop |
|---|---|---|---|
| 2007-2011 | 921 | W16W | Check Price |
| 2005-2006 | 3156 | P27W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W. | 3156 | Check Price |