AEM 13-15 Mercedes CLA250 L4 2.5L Silver Cold Air Intake Air Filters>Air Filters - Universal Fit This system includes the heat

This system includes the heat shield

2LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM wideband air/fuel UEGO controllers

but for a more precise measurement a caliper should be used

The airbox has been crafted with premium materials and designed with 2 air scoops that feed from factory vent locations

This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air sensor

AEM 13-15 Mercedes CLA250 L4 2.5L Silver Cold Air Intake Air Filters>Air Filters - Universal Fit This system includes the heatThe AEM 21 781DS Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Mercedes Benz CLA250 models. Air enters the system from the factory fresh air inlets, through replacement air ducts and into a roto molded, aerodynamic AEM air box containing an oversized AEM Dryflow