Lambda O2 Sensor Five-Wire Design Premium High-Quality Direct-Fit for Mercedes-Benz W169
Meet the Mercedes-Benz W169 Lambda O2 Sensor — a five-wire, OEM-quality oxygen sensor designed to deliver precise air-fuel readings to your engine management system. Built by WEIDA AUTO PARTS, this sensor helps your Mercedes-Benz optimize combustion, improve throttle response, and maintain smoother idle across a wide range of driving conditions. With exact OEM placement and compatibility, it’s a reliable upgrade to keep your vehicle running efficiently and cleanly.
Designed for direct fit on a broad stretch of Mercedes-Benz models, this sensor supports models including W169, W245, W204, S204, W212, S212, A207, C207, W463, X166, and W1. The OEM part number is A0035426918, ensuring a seamless match to your original component. Sourced from Mainland China and engineered for durable performance, this sensor provides factory-grade reliability at a thoughtful price point.
The five-wire design helps deliver stable, accurate oxygen readings essential for precise engine control. By supplying the ECU with reliable data across driving conditions—from cold starts to highway cruising—this sensor helps your vehicle maintain optimal fuel efficiency and reduced emissions, contributing to better overall engine health and performance.
Benefits & Tips
- Improve throttle response and fuel trim by ensuring accurate oxygen readings at all engine loads.
- Support smoother idle and steadier engine performance after replacement, reducing check-engine symptom causes.
- Installation tip: verify compatibility with the listed Mercedes-Benz models, disconnect the battery before replacement, and reseat the electrical connector firmly to ensure a secure connection.
Product specifications
- Brand: WEIDA AUTO PARTS
- Part Number (OEM No.): A0035426918
- Sensor Type: Magnetic Induction
- Wiring: 5-wire design
- Compatible Models: Mercedes-Benz W169, W245, W204, S204, W212, S212, A207, C207, W463, X166, W1
- Origin: Mainland China
Package includes:
- 1 x Oxygen (Lambda) O2 sensor compatible with the listed Mercedes-Benz models
Warnings / Reminders
- Ensure the vehicle model matches the compatibility list before purchase and installation.
- Professional installation is recommended. Disconnect the vehicle battery before replacement and follow proper safety procedures.
- After installation, perform an ECU readout or reset if required to ensure the new sensor is properly recognized.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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