Bosch 17339 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 17339 is engineered to meet the specific emission control needs of various Mercedes-Benz models. Designed as a heated, wide-band sensor, it ensures accurate air-fuel mixture readings for optimal engine performance and emissions compliance.

• Heated oxygen sensor for faster response times
• Specific fit for Mercedes-Benz AMG GT 63, CLS400, E63 AMG S, G63 AMG, and more
• Wide-band sensor type for precise air-fuel ratio measurement
• 10.8-inch wiring harness length with 18-gauge wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Metal housing with oblong male connector for secure installation
• Includes wiring harness with 5 wires and 6 terminals

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is designed to provide direct replacement sensors that match original equipment specifications. This ensures compatibility and reliable performance for emission control systems in Mercedes-Benz vehicles. The 17339 part number belongs to this line, offering a standard replacement grade sensor that maintains factory-level accuracy and durability.

Product Details and Specifications

This Bosch oxygen sensor features a heated element to reduce warm-up time, improving sensor responsiveness and engine efficiency. The wide-band sensor type allows for precise measurement of oxygen levels in the exhaust, which is critical for modern engine management systems. The sensor includes a 10.8-inch wiring harness with 18-gauge wires and blade terminals, designed for a specific fit on select Mercedes-Benz models. The metal housing and threaded mounting ensure a secure and durable installation. The connector is oblong and male, matching factory connectors for straightforward replacement.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Mercedes-Benz AMG GT 63 and E63 AMG S models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces emissions on G63 AMG and GLS63 AMG vehicles
• Eliminates rough idling and engine performance issues caused by faulty sensors
• Ensures compliance with emission standards for CLS400 and Maybach GLS600

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 17339 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed to avoid heat sources and moving parts. This sensor is a specific fit for Mercedes-Benz models listed, so verify compatibility before installation. No mounting bracket is included, as the sensor mounts directly via threaded connection.

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 17339 to meet OEM standards for fit, form, and function. The sensor is constructed with a durable metal housing and high-quality internal components to withstand harsh exhaust conditions. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship, providing confidence in long-term reliability.