When doing replacement or upgrading on 2009 – 2016 Lincoln MKS, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

High Beam and Low Beam Headlight 2009 – 2016 D3S
Front Fog Light 2009 – 2016 H8/H11/H16
Back Up Light 2009 – 2012 921
Dome Light 2013 – 2016 194
2009 – 2012 578
Front Side Marker 2009 – 2012 3457
Front Turn Signal 2009 – 2012 3457NA
License Plate 2009 – 2012 168
2013 – 2016 6418
Parking Light 2009 – 2012 3357NA
Rear Turn Signal 2009 – 2012 HPC16WNA
Glove Box 2009 – 2012 194
Map Light 2013 – 2016 12961