Bosch 17355 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 17355 is designed specifically for select Mercedes-Benz models, including the CLS63 AMG, E550, and S560e. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Specific fit for Mercedes-Benz CLS63 AMG, E63 AMG S, S550, and more
• 16.4-inch wiring harness length with 18-gauge wires
• Blade terminal type with male connector and terminal gender
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Wide-band sensor type for precise air-fuel ratio measurement
• Durable metal housing with steel finish
• Includes wiring harness with 5 wires and 6 terminals

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering standard replacement sensors that meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring precise emission control components. The 17355 sensor is engineered to match the exact fit and function needed for Mercedes-Benz models, providing a direct replacement solution without modification.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, improving sensor accuracy shortly after engine start. The wide-band sensor technology allows for precise measurement of oxygen levels in the exhaust, which is critical for maintaining the correct air-fuel ratio. The sensor’s metal housing and steel finish provide durability against harsh engine conditions. With a 16.4-inch wiring harness and 18-gauge wires, installation is straightforward, and the blade terminal with male connectors ensures secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size fits directly into the exhaust system of compatible Mercedes-Benz vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light codes related to oxygen sensor failure
• Helps reduce harmful emissions by maintaining proper air-fuel mixture
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

Ensure the engine and exhaust system are cool before installation to avoid injury. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup. Avoid damaging the sensor’s wiring during installation. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and provide reliable performance. The Actual OE Oxygen Sensor 17355 is a standard replacement part designed to meet or exceed OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.