Description
The Mercedes-Benz Lambda Sensor (Part No. A0035427018) is a genuine OEM oxygen sensor designed to measure the oxygen levels in your vehicle’s exhaust gases, ensuring optimal fuel efficiency and reduced emissions. This sensor sends real-time feedback to the engine control unit (ECU), allowing it to adjust the air-fuel mixture for clean, efficient combustion.
Manufactured to Mercedes-Benz factory specifications, the A0035427018 Lambda Probe guarantees precise readings, fast response times, and long service life. Its durable stainless-steel housing and heat-resistant sensor tip ensure consistent performance even under extreme exhaust temperatures.
Key Features:
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Genuine Mercedes-Benz OEM oxygen (Lambda) sensor
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Part number: A0035427018
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Monitors exhaust oxygen levels for fuel efficiency
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Ensures optimal air-fuel mixture for clean combustion
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Reduces emissions and improves engine performance
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High-temperature and corrosion-resistant design
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Direct-fit replacement for easy installation
Compatibility / Fitment:
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Fits various Mercedes-Benz models, including:
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C-Class (W204, W205)
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E-Class (W212, W213)
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S-Class (W221, W222)
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GLC, GLE, and CLS models
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Verify compatibility with VIN before purchase
Maintenance Tip:
A faulty oxygen sensor can cause poor fuel economy and increased emissions. Replace the sensor every 60,000–100,000 km or as recommended by your vehicle manual.

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