Walker 921-2143 Ignition Coil

Walker ThunderSpark Ignition Coil for Mercedes-Benz

Walker ThunderSpark ignition coil part number 921-2143 is a direct-fit ignition component for select Mercedes-Benz applications. It is listed for 2010-2013 Mercedes-Benz C200, 2011-2012 Mercedes-Benz C180, 2012-2015 Mercedes-Benz C250, and 2012-2015 Mercedes-Benz SLK250.

Key Features

• Ignition coil for select Mercedes-Benz C-Class and SLK-Class applications
• Walker ThunderSpark product line
• Part number 921-2143 for accurate catalog matching
• Fits N/A position applications as listed in the fitment data
• Supports replacement of a worn or failed ignition coil in the ignition system

Detailed Description

The Walker ThunderSpark line focuses on ignition components for vehicle-specific service needs, and 921-2143 is cataloged for multiple Mercedes-Benz models across the 2010-2015 model years. Use this ignition coil when servicing a Mercedes-Benz C250, SLK250, C200, or C180 that matches the listed fitment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Part Helps Address

• Engine misfire caused by a weak ignition coil
• Rough idle related to inconsistent spark delivery
• Hard starting tied to ignition system failure
• Loss of power under load from poor coil output
• Check engine light conditions associated with ignition faults

Installation Notes and Tips

Verify the vehicle year, model, and engine application against the fitment list before ordering. Confirm the coil location and connector style on the vehicle, and inspect spark plugs and related ignition components during service. For best results, replace only with the exact part number 921-2143 when the catalog match is confirmed.

Quality Assurance

Walker ThunderSpark ignition components are cataloged for vehicle-specific replacement use and are identified by part number 921-2143 for accurate application matching.