When doing replacement or upgrading on 2006 – 2017 Mercedes-Benz E350 E250 E550 capsule halogen headlamps HID with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Dome Light2014 – 2016 6411
Interior Door2014 – 2016 194
Map Light2014 – 2016 12961
Stepwell2014 – 2016 12961
Trunk2014 – 2016 194
Dome Light2013 – 2016 6411
Interior Door2013 – 2016 194
Map Light2013 – 2016 12961
Stepwell2013 – 2016 12961
Trunk2013 – 2016 194
Low Beam Headlight2006 – 2012 H7
High Beam Headlight2006 – 2012 H7
Front Fog Light2008 – 2012 H8/H11/H16
Back Up Light2008 – 2012 921
Dome Light2008 – 2012 578
2006 – 2007 6411
Front Side Marker2006 – 2012 194
Front Turn Signal2006 – 2007 2357NA
2008 – 2012 3457NA
License Plate2008 – 2012 12961
2006 – 2007 6418
Parking Light2008 – 2012 12961
Courtesy2006 – 2007 6418
Glove Box2006 – 2007 6418
2008 – 2012 DE3423
Interior Door2008 – 2012 194
Map Light2008 – 2012 12961
2006 – 2007 H6W
Rear Reading Light2008 – 2012 194
Stepwell2008 – 2012 12961
Trunk2008 – 2012 194
2006 – 2007 6418
Low Beam Headlight2006 – 2007 D2S
High Beam Headlight2006 – 2007 H7
High Beam and Low Beam Headlight2008 – 2012 D1S
Front Fog Light2008 – 2012 H8/H11/H16
Back Up Light2008 – 2012 921
Dome Light2008 – 2012 578
2006 – 2007 6411
Front Side Marker2006 – 2012 194
Front Turn Signal2006 – 2007 2357
License Plate2008 – 2012 12961
2006 – 2007 6418
Courtesy2006 – 2007 6418
Glove Box2006 – 2007 6418
2008 – 2012 DE3423
Interior Door2008 – 2012 194
Map Light2008 – 2012 12961
2006 – 2007 H6W
Rear Reading Light2008 – 2012 194
Stepwell2008 – 2012 12961
Trunk2008 – 2012 194
2006 – 2007 6418
Dome Light2013 – 2017 6411
Interior Door2013 – 2017 194
Map Light2013 – 2017 12961
Stepwell2013 – 2017 12961
Trunk2013 – 2017 194
Low Beam Headlight2007 – 2012 H7
High Beam Headlight2007 – 2012 H7
Front Fog Light2008 – 2012 H8/H11/H16
Back Up Light2008 – 2012 921
Dome Light2008 – 2012 578
2007 6411
Front Side Marker2007 – 2012 194
Front Turn Signal2007 2357NA
2008 – 2012 3457NA
License Plate2008 – 2012 12961
2007 6418
Parking Light2008 – 2012 12961
Courtesy2007 6418
Glove Box2007 6418
2008 – 2012 DE3423
Interior Door2008 – 2012 194
Map Light2008 – 2012 12961
2007 H6W
Rear Reading Light2008 – 2012 194
Stepwell2008 – 2012 12961
Trunk2008 – 2012 194
2007 6418
Low Beam Headlight2007 D2S
High Beam Headlight2007 H7
High Beam and Low Beam Headlight2008 – 2012 D1S
Front Fog Light2008 – 2012 H8/H11/H16
Back Up Light2008 – 2012 921
Dome Light2008 – 2012 578
2007 6411
Front Side Marker2007 – 2012 194
Front Turn Signal2007 2357
License Plate2008 – 2012 12961
2007 6418
Courtesy2007 6418
Glove Box2007 6418
2008 – 2012 DE3423
Interior Door2008 – 2012 194
Map Light2008 – 2012 12961
2007 H6W
Rear Reading Light2008 – 2012 194
Stepwell2008 – 2012 12961
Trunk2008 – 2012 194
2007 6418