Mercedes-Benz AMG GT Sun Visor Bulb Size

The Mercedes-Benz AMG GT sun visor requires a bulb with the unique size 12961 for proper illumination. Data for the specified component covers the range from 2017 to 2020.

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
2017-2020	12961

Bulb Specifications

Description	Bulb Size
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12961

Other Locations

Additional Notes

The Mercedes-Benz AMG GT uses the 12961 bulb for the sun visor across the 2017-2020 model years.
The 12961 is a Philips part number designating a miniature wedge bulb in the T10 form factor.
T10 bulbs are small, wedge-shaped lamps commonly found in low-intensity interior lighting positions such as vanity mirrors and courtesy lights.
The 12961 operates at 12 volts and 5 watts, which is typical for interior accent and vanity lighting where low heat output and minimal power draw are standard requirements.
The base type is W2.1x9.5d, a wedge-style base where the electrical contacts are formed by the glass envelope itself rather than by metal pins or a separate cap.
The W2.1x9.5d designation indicates a wedge base with a 9.5mm insertion depth and a 2.1mm contact width, which determines physical fitment into the socket.
Because the same bulb size is specified across all four model years, the sun visor socket design remained consistent throughout the 2017-2020 production run of the AMG GT.