Bosch 16125 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Mercedes-Benz CL600, S600, SLK230

The Bosch Actual OE Oxygen Sensor 16125 is designed specifically for select Mercedes-Benz models, including the CL600, S600, and SLK230. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to your vehicle's engine management system.

• Specific fit for Mercedes-Benz CL600, S600, SLK230
• Heated narrow-band oxygen sensor for accurate readings
• 12.8-inch wiring harness length with 4-pin female connector
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Includes wiring harness for straightforward installation

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and reliable performance for emission control systems. The 16125 part number belongs to this line, offering a standard replacement grade sensor with a heated element to maintain sensor responsiveness under various operating conditions.

Product Details and Specifications

This oxygen sensor features a narrow-band sensor type with a heated element to improve sensor response time and accuracy. The sensor includes a 12.8-inch wiring harness with four wires and a round, female connector with four terminals, facilitating a secure and precise electrical connection. The sensor's overall length is 16.1 inches, with a 15-inch length from the sealing surface to the end of the connector. It mounts via a threaded design with an 18 mm thread diameter and an 18 mm thread size, secured using a 22 mm hex wrench. The sensor housing is constructed from metal with a steel finish, weighing approximately 0.21 pounds, ensuring durability and resistance to harsh engine environments.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Mercedes-Benz CL600, S600, SLK230
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing precise emissions data
• Helps reduce harmful exhaust emissions by maintaining proper sensor function
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Installation requires a 22 mm hex socket for sensor removal and tightening. Ensure the sensor threads are clean and free of debris before installation. The included wiring harness with a female 4-pin connector simplifies electrical connections. Do not overtighten the sensor to avoid thread damage. This sensor is a specific fit for Mercedes-Benz CL600, S600, and SLK230 models, so verify vehicle compatibility before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 16125 is a standard replacement grade part designed to match original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in product reliability.