Mercedes-Benz SLK-Class R171 (2004 - 2011) 1.8L / 5.4L Post and Pre-Catalytic Oxygen Sensors

 Compatible with Mercedes-Benz SLK-Class R171 (2004 - 2011) models, this premium Oxygen Sensor is designed to accurately monitor exhaust oxygen levels and ensure optimal engine performance. Engineered as a direct fit replacement, it delivers OEM style precision, durability, and consistent operation, making it suitable for both professional workshops and DIY users.

Whether you are addressing engine warning lights, restoring fuel efficiency, or replacing a faulty sensor, this oxygen sensor provides reliable and stable readings for proper engine management.

Compatibility

• Fitment Models:
  • Mercedes-Benz SLK200 R171 models from years 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011. Fits 1.8L S/Charged M271.944, M271.954 engines / Post-Cat Sensor.
  • Mercedes-Benz SLK55 R171 models from years 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011. Fits 5.4L M113.989 engine / 2 x Pre-Cat Sensor.

Key Features

• Accurate Oxygen Detection: Precisely measures oxygen levels in the exhaust to support correct air fuel mixture.
  
• Improved Engine Performance: Helps maintain smooth acceleration and overall drivability.
  
• Enhanced Fuel Efficiency: Supports optimized fuel consumption and efficient combustion.
  
• Reduced Emissions: Assists in meeting emission standards and minimizing exhaust pollutants.
  
• Durable Construction: Designed to withstand high temperatures and harsh exhaust conditions.
  
• Easy Installation: Direct fit replacement with no modifications required.
  

Specification

• Condition: 100% Brand New
  
• Fitment: Direct Replacement
  
• Position: Post-Catalytic (After / Downstream) and Pre-Catalytic (Before / Upstream)
  
• Number of Circuits: 4
• Number of Connectors: 4

Package Content

• 1 x Oxygen Sensor

Ideal for Mercedes-Benz SLK-Class owners looking for a reliable and cost effective solution to maintain engine efficiency, fuel economy, and emission control.

As this sensor plays a vital role in engine management, please confirm compatibility with your specific Mercedes-Benz model and engine before purchase. Professional installation is strongly recommended.