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Assistance required for Batwing MAF C350 CDI OM642.834 engine.


PeakyOtter

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Greetings, I had a Mercedes C350 CDI equipped with the OM642.834 engine, generating 265 horsepower, from the year 2012. Regrettably, I made the imprudent decision to acquire an inexpensive batwing mass airflow sensor, which the vehicle subsequently rejected. Unable to locate Bosch sensors, I proceeded to Lowë in Germany, known for their high-quality sensors, and replaced the inexpensive Chinese MAF sensors with two new Lowë sensors; regrettably, the issue persisted. My Topscan Topdon OBD scanner indicates low electrical output for banks 1 and 2. I am experiencing surging issues, limp mode, and rough idling. The vehicle has low mileage, having only completed 74,000 miles. I consistently use high-quality oil and service it every 8,000 to 10,000 miles. Is my sole option to purchase a new Batwing from Mercedes, which reportedly costs £990, or a refurbished Batwing for approximately £850?

This situation is significant due to my recent health crisis, which included five strokes, a pulmonary embolism, and resulting partial disability. My vehicle is essential to my existence, and I am now confined to my home without it. I would greatly appreciate any assistance or guidance. 🙏


Thank you very much

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Two sets of defective MAFs... one set not inexpensive?... appears quite improbable to me. When I experienced a comparable issue, the fuse had blown. I am very certain it was No. 24. I possess a design batwing equipped with inexpensive MAFs installed by the previous owner; there have been no troubles thus far.

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