Mercedes Benz R 350 08-11, R 350 4MATIC 06-11, R 350 4MATIC 12-12, R 500 4MATIC 06-07, R 63 AMG 07-07 used, OEM. Xenon ballast control unit.

 The ballasts were all tested, they all worked perfect.

It fits either side head light drivers and passenger side. 

It fits American and European Mercedes Benz R class Head lights

Ebay's compatibility chart is not always correct. Please contact your local dealer to verify the part number below fits your vehicle.

Please check with your local Mercedes Benz dealer to verify the part number listed fits your vehicle, give them the part number listed, along with your vin.

Models: 
R 350 08-11, R 350 4MATIC 06-11, R 350 4MATIC 12-12, R 500 4MATIC 06-07, R 63 AMG 07-07
==========
Chassis: 
251156/63U, 251157/63U, 251165/63U, 251175/63U, 251177/63U
==========
Engines:
BENZINMOTOR
V6 GAS. ENGINE M272 E35
V6 GASOLINE ENGINE M276 DE35
V8 GASOLINE ENGINE M156 E63
113.971, 156.980, 272.967, 276.958
==========
Automatic Transmissions:
7-SPEED AUTOMATIC TRANSMISSION W7C700
TRANSMISSION, W7B700 7-GEAR AUTOMATIC NOT FOR MODEL SERIES 463
TRANSMISSION, W7B700 7-GEAR AUTOMATIC ONLY FOR MODEL SERIES 463
==========
Manual Transmissions:
Required: 001
HEADLAMP RANGE ADJUSTMENT, LEFT
HEADLAMP RANGE ADJUSTMENT, RIGHT
614
[20010122 - 20010122]: BI-XENON HEADLAMPS FOR RIGHT-HAND TRAFFIC
==============================
618
[20000526 - 20000526]: BI-XENON HEADLAMPS FOR LEFT-HAND TRAFFIC

GENUINE MERCEDES-BENZ PARTS 


Manufacturer: Mercedes-Benz
Part Number: 251-900-46-00
Part: Xenon ballast control unit
This fits: 
Mercedes: 8 models, 104 variants between 2005 and 2012.
Mercedes R 280 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 300 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 320 CDI 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 320 CDI RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 350 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 350 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 350 CDI 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 350 CDI RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 350 RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 500 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 500 RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 550 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 550 RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes R 63 AMG 2005, 2006, 2007
The dealer list price is $276.00

Why would any one buy poor quality aftermarket parts, when OEM (original equipment manufacturer) is available.

This is OEM, not a cheap imitation

 If you have any questions please ask.