Dorman 306-018 Secondary Air Injection Pump

Secondary Air Injection Pump for Mercedes-Benz

Dorman 306-018 is a secondary air injection pump built to match the fit and function of the original pump on specified Mercedes-Benz applications. It uses quality materials for reliable operation and durability in emission control service. This part number 306-018 is a direct replacement option for vehicles that need a dependable air pump restoration.

Key Features

• OE-style replacement secondary air injection pump
• Built to match original fit and function on listed applications
• Constructed with quality materials for long-term durability
• Package contents: 1 air pump
• Pulley not included
• Mounting hardware not included

Detailed Description

This Dorman secondary air injection pump supports the emission control system by supplying air during cold-start operation, helping the system operate as designed on select Mercedes-Benz models. It is a practical replacement for vehicles such as the Mercedes-Benz C300, E350, ML350, GL450, and S550, where a failing pump can trigger drivability and emissions concerns. If you are replacing a worn or noisy air pump, Dorman 306-018 provides a service part engineered for the original application.

This part cross-references URO 0001405185 for the same application.

What It Helps Solve

• Secondary air injection pump failure
• Emission system fault codes related to air injection performance
• Cold-start emissions system malfunction
• Unusual pump noise from a worn air pump
• Restoration of air injection function on Mercedes-Benz C250, C350, E550, and related models

Installation Notes and Tips

• Verify vehicle year, model, and engine application before ordering.
• Inspect related hoses, valves, and electrical connections during replacement.
• Transfer or source any required mounting hardware separately, since it is not included.
• Confirm pulley requirements for your application, as this pump is supplied without a pulley.

Quality Assurance

Dorman engineers this secondary air injection pump to match original fit and function on specified applications and uses quality materials for dependable service. It is designed as a direct replacement for the listed Mercedes-Benz fitments, including 2005-2015 model-year coverage across multiple C-Class, E-Class, ML-Class, GL-Class, SL-Class, and other applications.

Compatible With: Fits 2009-2015 Mercedes-Benz G550, N/A; Fits 2010-2013 Mercedes-Benz S400, N/A; Fits 2010-2012 Mercedes-Benz C250, N/A; Fits 2008-2012 Mercedes-Benz C300, N/A; Fits 2006-2012 Mercedes-Benz C350, N/A; Fits 2007-2012 Mercedes-Benz GL450, N/A; Fits 2008-2012 Mercedes-Benz GL550, N/A; Fits 2010-2012 Mercedes-Benz GLK350, N/A; Fits 2007-2012 Mercedes-Benz SL550, N/A; Fits 2007-2011 Mercedes-Benz CLS550, N/A; Fits 2007-2011 Mercedes-Benz E350, N/A; Fits 2007-2011 Mercedes-Benz E550, N/A; Fits 2007-2011 Mercedes-Benz ML350, N/A; Fits 2010-2011 Mercedes-Benz ML450, N/A; Fits 2008-2011 Mercedes-Benz ML550, N/A; Fits 2007-2011 Mercedes-Benz R350, N/A; Fits 2008-2011 Mercedes-Benz S450, N/A; Fits 2007-2011 Mercedes-Benz S550, N/A; Fits 2009-2011 Mercedes-Benz SLK300, N/A; Fits 2005-2011 Mercedes-Benz SLK350, N/A; Fits 2007-2010 Mercedes-Benz CL550, N/A; Fits 2006-2009 Mercedes-Benz C230, N/A; Fits 2006-2009 Mercedes-Benz CLK350, N/A; Fits 2007-2009 Mercedes-Benz CLK550, N/A; Fits 2008-2009 Mercedes-Benz E300, N/A; Fits 2007-2008 Mercedes-Benz E280, N/A; Fits 2008 Mercedes-Benz R550, N/A; Fits 2006-2008 Mercedes-Benz SLK280, N/A; Fits 2006-2007 Mercedes-Benz C280, N/A; Fits 2007 Mercedes-Benz S550, N/A, V8 5.5L (5461cc).