NGK 94716 Spark Plug

NGK Laser Platinum Spark Plug 94716

NGK Laser Platinum Spark Plug 94716 is an OE-style ignition component built for precise spark delivery and dependable secondary ignition performance. It uses a platinum center electrode tip, a nickel ground electrode, and a copper core to support stable combustion in the specified Mercedes-Benz applications.

The Laser Platinum line focuses on OE replacement fit and service-life consistency. For drivers maintaining a Mercedes-Benz C250 or Mercedes-Benz SLK250, this spark plug follows the original equipment service approach with the correct heat range, gap, and terminal style for the listed vehicles.

Key Features

• Laser Platinum spark plug from NGK
• Part number 94716; NGK PLKR7B8E
• Platinum center electrode tip for consistent ignition performance
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with standard tip design and standard configuration
• Pre-gapped at .032 in.
• 1000 ohm resistance
• Flat seat, 12 mm thread diameter, 5/8 in. hex
• Non-removable nut terminal
• Manufacturer heat range 7

Detailed Description

NGK 94716 is a Laser Platinum spark plug engineered for the 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250 applications listed below. The platinum tip helps maintain consistent firing characteristics, while the copper core and nickel ground electrode support heat control and reliable operation in the ignition system. With a .032 in. pre-gap, flat seat design, and OE-style dimensions, this spark plug matches the service requirements called out for these Mercedes-Benz models.

NGK is a long-established OE supplier with broad coverage across domestic and import vehicles, and this spark plug reflects that original-equipment focus. If you are replacing worn plugs on a Mercedes-Benz C250 or Mercedes-Benz SLK250, part number 94716 provides the correct fitment details and service-oriented construction for the listed engine applications.

This part cross-references Mercedes-Benz A 004 159 58 03 for the same application.

What It Helps Address

• Rough idle caused by worn spark plug electrodes
• Hard starting related to weak ignition output
• Misfire conditions from excessive plug wear or incorrect gap
• Reduced throttle response from inconsistent spark delivery
• Service interval replacement on listed Mercedes-Benz models

Installation Notes and Tips

Verify the engine application before installation and confirm the specified .032 in. gap matches the vehicle service information. Use the correct 5/8 in. spark plug socket and install to the manufacturer’s torque specification for the cylinder head. Inspect ignition coils and boots during service, and replace any damaged components before fitting the new plug.

Compatible With 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250, as listed in the fitment data. Fits 2012-2014 Mercedes-Benz C250, N/A; Fits 2015 Mercedes-Benz C250, N/A; Fits 2012-2014 Mercedes-Benz SLK250, N/A; Fits 2015 Mercedes-Benz SLK250, N/A.

Quality Assurance

NGK manufactures spark plugs to original equipment standards and supports broad OE coverage across automotive applications. Part number 94716 is built to the listed specifications for the confirmed Mercedes-Benz fitments.