π© 1990β1993 Mercedes-Benz 300E Engine Control Module (ECU) β OEM
Part Number: 0 280 800 316 (0280800316)
Mercedes Reference: 107-3D2
Common Name: ECM / ECU / Engine Brain
Engine: 3.0L Inline-6 (M103)
Vehicle Removed From: 1991 Mercedes-Benz 300E (W124)
Condition: Tested β’ 30 Day Warranty β’ Free Returns
π§ Item Description
Genuine Mercedes-Benz OEM Engine Control Module (ECU) manufactured by Bosch.
Fits W124 300E models equipped with the 3.0L M103 engine during the 1990β1993 production window.
This unit is responsible for managing the fuel injection and ignition timing parameters to ensure optimal engine performance and efficiency.
Removed from a functional donor vehicle with a healthy, smooth-running engine and no stored hardware faults.
β Functionality & Testing
βοΈ System Communication: Verified 100% signal processing for fuel delivery and idle speed control.
βοΈ Circuit Integrity: Bench-tested for stable voltage regulation and accurate sensor feedback interpretation.
βοΈ Mechanical Inspection: The internal circuit board has been inspected for the common capacitor failure or burnt traces seen in vintage Bosch units.
βοΈ Electrical: Connector pins are straight, clean, and free of any signs of moisture, corrosion, or thermal stress.
π§Ό Condition & Inspection
Professionally inspected and cleaned.
Housing: The metal casing is in excellent vintage condition with minimal oxidation.
Environmental Seal: The unit shows no signs of the moisture intrusion often found in older engine bay electronics.
π Vehicle Compatibility Mercedes-Benz 300-Series (W124)
1990β1993 300E 3.0
1990β1993 300CE
1990β1993 300TE
β οΈ Fitment Note: Please match Bosch part number 0 280 800 316 exactly. These early analog/digital hybrid modules are specific to the engine displacement and emissions equipment of the vehicle.
βοΈ Features & Benefits
OEM Reliability: High-quality Bosch engineering designed specifically for the M103 power plant.
Direct Plug-and-Play: Unlike newer Mercedes modules, this generation typically does not require VIN-specific coding, making it a straightforward swap to restore your vehicleβs performance.
Fixes Common Faults: Essential for resolving intermittent stalling, poor idle, or "No Start" conditions caused by aging electronic components.
π‘οΈ Warranty & Returns
βοΈ 30 Day Warranty β Guaranteed electronic and signal functionality.
βοΈ Free Returns β Shop with total confidence.
βοΈ Professionally Tested