Description
This engine control module, carrying OEM part number A6401501879, is a genuine mercedes-benz“>Mercedes-Benz component built for the W169 A-Class compact hatchback. Designed for the A-Class front-wheel-drive platform, it has been carefully removed from a written-off vehicle and tested to confirm it meets operational standards. ¶ The ECU co-ordinates fuel injection strategy, turbocharger boost pressure management, and lambda regulation for W169 models equipped with CDI diesel engines. Its adaptive mapping routines adjust for engine wear and operating temperature, maintaining fuel economy and emissions performance throughout the vehicle’s service life. ¶ Signs of ECU malfunction in the W169 A-Class include difficulty starting, sustained rough idle with fluctuating revs, unexpected power restrictions, and stored codes relating to boost pressure deviations or injection quantity monitoring. Occasional error messages on the instrument cluster may accompany these symptoms. ¶ This unit is a tested used part sourced from a written-off vehicle. Confirm OEM reference A6401501879 matches the number on your current ECU before purchasing. Professional installation with specialist coding or adaptation to the vehicle is required post-fitment. A 14-day return window is provided.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/
