NGK 94716 Spark Plug

NGK Laser Platinum Spark Plug Overview

The NGK Laser Platinum Spark Plug 94716 is engineered for reliable ignition performance in select Mercedes-Benz vehicles. Designed specifically for models like the C250 and SLK250, this spark plug ensures consistent combustion and efficient engine operation.

• Part Number: 94716 (Plkr7b8e)
• Compatible with Mercedes-Benz C250 and SLK250
• Center electrode with platinum tip for durability
• Nickel ground electrode with standard design
• Non-removable nut electrical terminal type
• Flat seat type with 12mm thread diameter and 26.5mm reach
• Pre-gap size of 0.032 inches for optimal spark
• Manufacturer heat range: 7
• Hex size: 5/8 inch for installation

Product Line: NGK Laser Platinum Spark Plug

The Laser Platinum Spark Plug line from NGK features a platinum-tipped center electrode that enhances wear resistance and maintains a stable spark over time. This design contributes to improved ignition reliability and longer service intervals compared to conventional spark plugs. The 94716 model incorporates these characteristics, making it suitable for the ignition requirements of Mercedes-Benz C250 and SLK250 engines.

Technical Details and Features

This NGK spark plug uses a copper core center electrode with a platinum tip, combining excellent thermal conductivity with enhanced electrode durability. The ground electrode is made of nickel with a standard single-electrode configuration and tip design, providing consistent spark gap stability. The flat seat ensures proper sealing in the combustion chamber, while the 26.5mm reach and 12mm thread diameter match OEM specifications for the specified Mercedes-Benz models. The non-removable nut terminal type simplifies electrical connection, and the 5/8 inch hex size allows for straightforward installation with common tools.

Applications and Problem Solving

• Compatible with Mercedes-Benz C250 and SLK250 ignition systems
• Addresses misfires caused by worn or damaged spark plugs
• Helps improve fuel efficiency by maintaining optimal combustion
• Reduces rough idling and engine hesitation
• Supports stable engine starting and acceleration response

Installation Notes and Tips

• Verify compatibility with your Mercedes-Benz C250 or SLK250 before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Check and adjust the pre-gap if necessary; factory pre-gap is 0.032 inches
• Ensure the spark plug seat is clean and free of debris before installation
• Replace spark plugs in sets to maintain balanced engine performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Platinum Spark Plug 94716 undergoes rigorous testing to comply with OEM specifications for Mercedes-Benz vehicles. While specific warranty details may vary, NGK products typically include coverage against manufacturing defects when installed and used according to guidelines.