Ignitions and Electrical› Computers, Chips, Modules and Programmers

Mercedes-Benz

Engine Control Unit (ECU)

$325.20

SKU: A1131533479

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Mercedes-Benz A1131533479 is a Bosch engine control unit (ECU) designed for various Mercedes-Benz models. This controller manages essential engine operations, including fuel injection and ignition timing.
Show original supplier description
The Mercedes-Benz A1131533479 is a genuine Bosch engine control unit (ECU) responsible for orchestrating powertrain functions, such as fuel injection, ignition timing, and boost pressure. It is a common replacement for failing units exhibiting symptoms like the P2073 suction fan motor fault or issues where the cooling fan engages at high speed upon ignition. This unit is available in several configurations, including locked, unlocked, or programmed variants. Depending on the chosen variant, installation may require professional services. For example, some units require programming with specialized diagnostic equipment, while "IMMO OFF" Plug & Play versions disable the immobilizer function entirely. Other variants may support auto-programming once installed. Compatibility must be verified by matching the part number to your original module. If you opt for a cloning service, your original unit must retain communication with the car or a diagnostic tool to allow for secure data transfer. Professional installation or the use of specialized diagnostic tools is often required to ensure the module is properly calibrated to your specific vehicle's electronic system.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMercedes-Benz
Part NumberA1131533479
CategoryIgnitions and Electrical

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