Delphi ES20175 Oxygen Sensor

Delphi Heated Oxygen Sensor Overview

The Delphi ES20175 is a heated oxygen sensor designed for precise emission control in select Chrysler and Mercedes-Benz vehicles. Engineered with a 4-wire configuration and a round connector, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated sensor type for faster response times
• 4-wire design for reliable signal transmission
• Round connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified models
• Overall length of 470.0 mm for proper installation
• Includes oxygen sensor and instruction sheet
• Compatible with front and rear positions on multiple vehicle models

Technical Details and Compatibility

The Delphi ES20175 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving emission control efficiency. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The round connector shape and 18 x 1.5 mm thread size provide a secure and precise fit for installation in front and rear positions. This sensor is compatible with a range of Chrysler and Mercedes-Benz models, including the C32 AMG, C55 AMG, C230, C240, C280, C320, C350, CL55 AMG, CL65 AMG, CL500, CLK55 AMG, CLK320, CLK500, CLS55 AMG, CLS500, Crossfire, E55 AMG, E320, E350, E430, E500, E550, G55 AMG, G500, ML320, ML350, ML430, ML500, S55 AMG, S65 AMG, S350, S430, S500, S600, SL55 AMG, SL65 AMG, SL500, SL600, SLK32 AMG, SLK230, SLK320, and SLR McLaren.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel economy by enabling precise engine management

Installation Notes and Tips

When installing the Delphi ES20175 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the sensor position—front or rear—matches the vehicle’s requirements. Connect the 4-wire harness securely to the round connector to maintain proper electrical connections. Follow the included instruction sheet for torque specifications and wiring guidance.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20175 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to support long-term use in Chrysler and Mercedes-Benz vehicles.