TYC 800186C Mercedes Benz C-Class Replacement Cabin Air Filter OE-comparable harness OE-comparable mounting provisions ensure drop-in precise fitment Rigorous and accelerated cycling tests to ensure product service quality and durability OE-comparable configuration as either Particle filter (single-stage) or Combination filter (with additional carbon layer to remove odor) Easy to install onto most vehicles within 7 minutes; installation instruction included with each unit Eliminates nearly 100% of exhaust pollutants and airborne contaminants Enables peak operating efficiency of the vehicles heating/air conditioning system Provides clean air for you and your passengers; recommended replacement interval: every 12,000 miles