Mercedes W176 W246 OM607 Lambda Oxygen Sensor Probe A0105424118

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W176 W246 OM607 Lambda Oxygen Sensor Probe is a precision exhaust system component from the Lambda sensors and O2 sensors category, designed for use in Mercedes vehicles with the OM607 unit. It is responsible for accurate measurement of exhaust gas composition and transmitting data to the engine control unit, which allows for maintaining stable engine operation and proper emission control. This is a solution for users looking for a proven component with factory operating characteristics.

Specifications and technical data

• SKU: A0105424118
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0105424118
• Substitutable numbers: A0105424118, A 010 542 41 18, 226A41733R, 22 6A 417 33R
• Category: Oxygen Sensors

Function and role of the lambda sensor in the Mercedes OM607

The lambda sensor in the OM607 engine monitors the oxygen content in the exhaust gases and sends a signal to the controller, which adjusts the fuel dose based on this data. This makes it possible to keep the mixture in the optimal range, which translates into stable operation, predictable throttle response, and reduced fuel consumption. A properly functioning O2 sensor also supports the effective operation of the catalytic converter, which is important for exhaust emission inspections.

Compatibility and OEM identification

The presented lambda sensor is a component dedicated to Mercedes W176 and W246 series vehicles equipped with the OM607 engine. Selection is based on the OEM part number and associated replacement numbers, which allows for precise verification of compatibility with a specific engine version and model year. In practice, this means the possibility of direct installation in place of the factory sensor, without the need for modifications to the installation or wiring harness.

Performance characteristics and advantages of the OEM solution

A lambda sensor with factory parameters ensures the correct signal characteristics for the Mercedes engine controller, which is crucial for the proper operation of the fuel injection system and emission control systems. Using a component from the same design group allows for maintaining:

• stable fuel trim values under various load conditions,
• proper cooperation with the catalytic converter and the OBD diagnostic system,
• consistency with controller maps prepared for the OM607 unit.

For the user, this means predictable vehicle behavior, the absence of unwanted mixture-related errors, and the maintenance of operating parameters close to factory specifications.

Condition, installation, and practical aspects

The offered Mercedes lambda sensor is a secondary market item in used condition, which allows for optimizing repair costs while maintaining original operating characteristics. Installation takes place at the standard exhaust system point provided by the vehicle manufacturer, using the existing wiring harness and connector. When replacing, it is recommended to use an appropriate lambda sensor wrench and check the tightness of the connection in the exhaust system.

Technical support and selection of used electronics and sensors

When selecting components such as a lambda sensor, it is crucial to compare the OEM number, replacement numbers, and connector configuration. A detailed discussion of the principles for selecting used sensors and modules, including hardware and software compatibility issues, can be found in the guide: Used automotive electronics – ECU modules and second-hand sensors. This is a practical source of knowledge that helps reduce the risk of an incorrect purchase.

If you are planning a comprehensive repair or upgrade of the exhaust and mixture control area in your Mercedes and need other elements from the same group, such as additional sensors before and after the catalytic converter, O2 sensors for other cylinders, or related exhaust control sensors, check the available parts in the Mercedes Lambda sensors and O2 sensors category.