Compatible Vehicle - for SLK55 AMG 5.5L 2011,for SLK350 3.5L 2005-2011,for SLK300 3.0L 2009-2011,for SL550 5.5L 2007-2012,for S550 5.5L 2007-2011,for S450 4.6L 2008-2011,for S400 3.5L 2010-2013,for R350 3.5L 2006-2011,for R350 3.0L 2010-2011,for GLK350 3.5L 2010-2012,for GL550 5.5L 2008-2012,for GL450 4.6L 2007-2012,for G550 5.5L 2009-2012,for E550 5.5L 2007-2011,for E350 3.5L 2006-2011,for CLS550 5.5L 2007-2011,for C300 3.5L 2010-2011,for C300 3.0L 2008-2012. Replaces OEM Part Numbers - UF-535, UF-585 5C1748,E1035,52-2103,IC615,UF535 UF585 C1691 C1656 C209 GN10235 0001501980 0001502680 0001502780 19005267 68011844AA 2729060060 5C1748 522103 788432 1502780 1502680 178-8529 00501 1501980 1788432 A209 B221 R171 R230 W164 W203 W204 W211 W212 W216 W219 W221 W463 W251 X164 X204. Premium Quality Material - You'll have an easy time mounting these coils due to their lightweight and winding construction. The copper material ensures maximum power delivery to the spark plugs. They come pre-greased for direct replacement.Superior winding process yields greater wire length control, which means less chance of a breakdown of the wire coating and insulation. Material resists pinholes and cracks that can cause failures.. Function & OEM Fit - OCPTY Ignition Coils are engineered for original equipment and replacement applications.Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability.The ignition coil acts like a transformer.the ignition coil transforms the electrical energy from the vehicle battery into high voltage, saves it briefly and then emits it as a high voltage current pulse to the spark plug..
