NTK 25616 Oxygen Sensor

Overview of NTK Direct Fit Oxygen Sensor 25616

The NTK Direct Fit Oxygen Sensor 25616 is engineered specifically for select Mercedes-Benz models, including the C32 AMG, E55 AMG, and ML500. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster response times
• Specific fit for Mercedes-Benz models such as C230, CLK500, and G55 AMG
• Threaded mounting type with 18mm thread diameter
• 35.5-inch wiring harness length for direct installation
• Four-wire configuration for reliable signal transmission

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 25616 is designed with a 35.5-inch wiring harness, allowing for a direct and secure connection without the need for extensions or modifications. Its heated sensor element accelerates the sensor’s warm-up time, improving emissions control during cold starts. The sensor features a threaded mounting type with an 18mm thread diameter, ensuring compatibility with the exhaust system of specific Mercedes-Benz vehicles. The four-wire design supports both the sensor signal and heater circuit, maintaining consistent performance and durability.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK focuses on providing vehicle-specific sensors that match OEM specifications for fit, form, and function. This product line is tailored to simplify installation and maintain factory-level emissions control, making it suitable for professional repairs and maintenance on Mercedes-Benz models requiring precise sensor replacement.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or poor fuel economy caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunctions

Installation Notes and Tips

Installation of the NTK 25616 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. The 18mm threaded design allows for standard oxygen sensor socket use. Ensure the wiring harness is routed away from heat sources and moving parts. Since this is a specific fit sensor, no wiring modifications are necessary. It is recommended to use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

NTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 25616 is manufactured to provide reliable operation under demanding conditions. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.