Left Sun Visor Mirror Model B for MERCEDES-BENZ R-CLASS R251 (2010-2014) in Yellow color Power Window Switch the door's own switch is

the door's own switch is the usual culprit

with clean upright fins running the width of the face

electrical failures

chrome-finished piston rod running in a multi-lip seal pack to keep damping oil in and dirt out

Bolts to factory positions in the door card for a direct

Left Sun Visor Mirror Model B for MERCEDES-BENZ R-CLASS R251 (2010-2014) in Yellow color Power Window Switch the door's own switch isLeft Sun Visor Mirror Model B for MERCEDES BENZ R CLASS R251 (2010 2014) in Yellow color OEM replacement sun visor vanity mirror, Model B design, for the left side. Built to original specification, this unit fits directly into the existing sun visor housing without modification, restoring the vanity mirror function to factory standard. The polished mirror surface and housing are manufactured to the correct Model B dimensions for accurate fitment.