Bosch 16126 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Bosch Actual OE Oxygen Sensor 16126

The Bosch Actual OE Oxygen Sensor 16126 is designed specifically for select Mercedes-Benz models, including the CLS550, SLC43 AMG, and SLK350. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster activation
• Specific fit for Mercedes-Benz CLS550, SLC43 AMG, SLK350
• Wide-band sensor type for precise air-fuel ratio monitoring
• 24.4-inch wiring harness length with included harness
• Threaded mounting type with 18 mm thread diameter
• Blade terminal type with male connector and terminal
• Standard replacement grade with metal housing and steel finish
• Connector shape is oblong with 5 wires and 6 terminals
• Hex size of 22 mm for installation
• Overall length approximately 27.8 inches

Detailed Product Description

The Bosch Actual OE Oxygen Sensor 16126 is engineered as a direct replacement part tailored for Mercedes-Benz vehicles such as the CLS550, SLC43 AMG, and SLK350. Featuring a heated design, this sensor reaches operating temperature quickly to provide reliable oxygen level readings. The wide-band sensor technology allows for precise measurement of exhaust gases, which is critical for maintaining efficient combustion and reducing emissions.

This oxygen sensor includes a 24.4-inch wiring harness and a male oblong connector with blade terminals, ensuring a secure and specific fit. The sensor is threaded with an 18 mm diameter and a 22 mm hex size, compatible with factory mounting points. Constructed with a durable metal housing and finished in steel, it meets standard replacement grade requirements for longevity and performance.

The Bosch Actual OE Oxygen Sensor product line focuses on delivering original equipment quality and fitment, making it suitable for professional repairs and maintenance. This ensures compatibility and performance consistent with factory specifications.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper engine management
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by optimizing air-fuel mixture
• Reduces harmful emissions by ensuring correct sensor feedback
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

Installation requires removal of the existing oxygen sensor and threading the Bosch 16126 sensor into the factory mounting location. Use a 22 mm oxygen sensor socket for proper tightening. The included wiring harness and blade terminals are designed for a specific fit on Mercedes-Benz CLS550, SLC43 AMG, and SLK350 models. Avoid over-tightening to prevent damage to the sensor or mounting threads.

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 16126 to meet original equipment standards, ensuring reliable performance and durability. This sensor is a standard replacement grade part backed by Bosch's quality control processes. Warranty details should be confirmed with the point of purchase or Bosch directly.