NGK Spark Plug for Mercedes-Benz C-Class, E-Class, S-Class, SLK, and SUVs 2005–2015

NGK spark plug 4288, identified by the PLKR7A design code, serves a broad selection of Mercedes-Benz gasoline models. The supplied applications span selected 2005–2015 vehicles, including C-Class, CLK, E-Class, SLK, R-Class, and several SUV and flagship models. Coverage varies by model, year, and trim; the complete table below is the reference for the individual applications. The plug receives the ignition system's high-voltage pulse and fires it across the electrode gap to ignite the air and fuel mixture. As plugs wear, deposits and electrode erosion can affect starting and idle quality. Match part number 4288 to the exact vehicle specification and follow the factory replacement and installation instructions.

Warranty: 24 Months / 24,000 Miles.

Technical Details

• Manufacturer: NGK
• Part number: 4288
• NGK design code: PLKR7A
• Product type: Spark Plug

Fitment & Compatibility

Check the fitment table below for the exact models, years, and trims listed for this part. Coverage varies by engine and model year, so confirm your engine and part number carefully. PMB Performance can confirm fit from your VIN.