NGK 48739 Ignition Coil

NGK COP Ignition Coil for Mercedes-Benz

The NGK COP Ignition Coil, part number 48739, is built for distributorless ignition systems that use a coil-on-plug design. It is a direct-fit ignition coil for a wide range of Mercedes-Benz models, including C300, E350, ML350, and SLK350 applications.

• 12-volt ignition coil for distributorless systems
• COP (coil-on-plug) design for direct spark delivery
• Female connector with male blade terminals
• 4-terminal configuration
• Oil-filled: No
• Mounting bracket included: No
• NGK part number 48739 / stock number 48739

Product Details

NGK COP Ignition Coil 48739 is engineered to meet or exceed OE standards for durability and operational consistency. NGK develops and tests its ignition coil designs in an ISO 17025 accredited lab under demanding conditions, with a focus on long-term performance across late-model domestic and import vehicles. This ignition coil is a strong match for Mercedes-Benz ignition service where stable spark output and reliable coil operation are required. This part cross-references Standard Ignition UF-535 for the same application.

Vehicle Fitment

• Fits 2009-2014 Mercedes-Benz G550, N/A
• Fits 2008-2013 Mercedes-Benz C300, N/A
• Fits 2006-2013 Mercedes-Benz C350, N/A
• Fits 2012-2013 Mercedes-Benz E300, N/A
• Fits 2008-2009 Mercedes-Benz E300, N/A
• Fits 2006-2013 Mercedes-Benz E350, N/A
• Fits 2013 Mercedes-Benz E400, N/A
• Fits 2006-2013 Mercedes-Benz ML350, N/A
• Fits 2006-2013 Mercedes-Benz R350, N/A
• Fits 2010-2013 Mercedes-Benz S400, N/A
• Fits 2005-2013 Mercedes-Benz SLK350, N/A
• Fits 2010-2012 Mercedes-Benz C250, 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 CL550, N/A
• Fits 2007-2011 Mercedes-Benz CLS550, N/A
• Fits 2007-2011 Mercedes-Benz E550, N/A
• Fits 2010-2011 Mercedes-Benz ML450, N/A
• Fits 2008-2011 Mercedes-Benz ML550, 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 2006-2009 Mercedes-Benz C230, N/A
• Fits 2006-2009 Mercedes-Benz CLK350, N/A
• Fits 2007-2009 Mercedes-Benz CLK550, N/A
• Fits 2007-2008 Dodge Sprinter 2500, N/A
• Fits 2007-2008 Dodge Sprinter 3500, 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 E280, N/A

Common Symptoms This Coil Can Address

• Engine misfire under load or at idle
• Rough running, hesitation, or stumble during acceleration
• Hard starting caused by weak ignition output
• Check engine light related to ignition coil performance
• Intermittent spark loss on distributorless ignition systems

Installation Notes

Verify connector style, terminal layout, and engine application before installation. This NGK ignition coil uses a female connector and male blade terminals, so the harness connection should match the OE-style configuration. Inspect spark plugs and related ignition components during service to help prevent repeat coil failure. Confirm the vehicle application against the listed Mercedes-Benz and Dodge Sprinter fitments before ordering.

Quality Assurance

NGK has more than 80 years of automotive experience and manufactures ignition products with OE-level durability and performance in mind. The brand’s ignition coil designs are developed and tested to support consistent operation across demanding conditions, making NGK 48739 a dependable replacement choice for service on Mercedes-Benz C300, E350, ML350, SLK350, and related applications.