Bosch 16272 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 16272 is designed specifically for select Mercedes-Benz models including the C230, CLS55 AMG, CLS500, E55 AMG, E320, and E500. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Mercedes-Benz C230, CLS55 AMG, CLS500, E55 AMG, E320, and E500
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 13.6-inch wiring harness with 4-pin female connectors
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with a total length of 16.9 inches

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing reliable performance and compatibility. This product line focuses on delivering precise sensor readings and durability, making it suitable for direct replacement in specific vehicle applications such as the Mercedes-Benz models listed. The 16272 part number represents a standard replacement sensor with a heated narrow-band design, ensuring proper emissions control and engine efficiency.

Product Details and Specifications

This Bosch oxygen sensor features a 4-wire configuration with female pin terminals and a round connector shape, facilitating straightforward installation. The sensor is heated to improve response time and accuracy under various operating conditions. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure attachment. The wiring harness length is 13.6 inches, with an overall length of 16.9 inches from sealing surface to connector end, providing ample reach for installation in the specified Mercedes-Benz models.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper fuel mixture control
• Helps resolve engine performance issues related to faulty sensors
• Reduces emissions by ensuring correct exhaust gas monitoring
• Prevents check engine light triggers caused by sensor failure
• Supports efficient fuel consumption and engine operation

Installation Notes and Tips

When installing the Bosch 16272 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness connections match the vehicle’s female pin terminals to prevent electrical issues. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. No mounting bracket is included, so use the existing vehicle hardware.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. This part is a standard replacement grade sensor designed to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or vehicle manufacturer documentation for exact warranty terms.