A0025400617 - Mercedes-Benz Lambda sensor, oxygen sensor
A0025400617 - Mercedes-Benz Lambda sensor, oxygen sensor - Image 2
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A0025400617 – Mercedes-Benz Lambda sensor, oxygen sensor

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Description

A0025400617 – Mercedes-Benz Lambda sensor, oxygen sensor, housing
This oxygen sensor is an essential component of the vehicle’s emission control system. It is designed to measure the amount of residual oxygen in the exhaust gases after combustion and transmit this data via a voltage signal to the Engine Control Unit (ECU). The ECU uses this information to perform real-time adjustments to the fuel injection duration, ensuring the engine maintains an optimal stoichiometric air-fuel ratio. This process maximizes fuel efficiency, protects the catalytic converter, and minimizes the release of harmful pollutants into the environment.
Compatibility:
This part is primarily designed for Mercedes-Benz vehicles, with common fitment in the downstream (rear) position for 4-cylinder and 6-cylinder engines. Compatible makes and models include:

  • Mercedes-Benz C230 (2002-2005) 1.8L and 2.3L L4,
  • Mercedes-Benz C240 (2001-2005) 2.6L V6,
  • Mercedes-Benz C320 (2001-2005) 3.2L V6,
  • Mercedes-Benz CLK320 (2003-2005) 3.2L V6, and
  • Mercedes-Benz SLK230 (2001-2004) 2.3L L4.

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