[ORIGINAL EQUIPMENT] - Bosch Original Equipment Fuel Pumps are the fuel pumps vehicles were built with when new, ensuring perfect fit and superb performance - without the added expense of an OEM package [INNOVATIVE TECHNOLOGY] - Patented Turbine Pump technology virtually eliminates the fuel pulsation, noise, and hot-start problems associated with older pump designs [OPTIMAL PERFORMANCE] - Designed to operate in extreme temperatures and under low fuel conditions to ensure reliable performance and an extended service life [FACTORY TESTED] - Every Bosch fuel pump is "end-of-line" function tested before leaving the manufacturing facility to ensure premium quality and performance for maximum customer satisfaction [READY TO INSTALL] - Designed for simple DIY installation - includes instructions and installation components (select part numbers only - included components will be shown in photos) Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific vehicle fitment details with fit checker above): MERCEDES-BENZ: 2002-06 CL500, 2002 CL55 AMG, 2002 CL600, 2006 S350, 2002-06 S430, 2002-06 S500 Compatible with (continued): MERCEDES-BENZ: 2002 S55 AMG, 2002 S600, 2003-06 SL500, 2007-12 SL550