Magneti Marelli 112-141-01-25 Throttle Body Housing 74mm Electric Mercedes-Benz

The Magneti Marelli 112-141-01-25 is a direct-fit, electrically actuated throttle housing engineered as a quality replacement for Mercedes-Benz vehicles. Also referenced as OEM part number 1121410125, this throttle body housing is manufactured to original equipment specifications, ensuring a precise fit and reliable performance.

As a critical component of the engine air intake system, the throttle housing controls the volume of air entering the engine, directly influencing fuel combustion efficiency, throttle response, and overall engine performance. A worn or failing throttle body can result in rough idling, poor acceleration, increased fuel consumption, and check engine light codes — making timely replacement essential.

Key Features:

• Bore Diameter: 74mm
• Actuation Type: Electric (drive-by-wire)
• OEM Reference Number: 1121410125 / A1121410125
• Magneti Marelli Part Number: 802000000164
• Manufactured by Magneti Marelli — a globally recognized OEM supplier with over 150 million throttle valves in service worldwide
• Designed for precise fit and function, matching original equipment tolerances

Important Installation Note: Following installation, the vehicle's engine control unit (ECU) software must be trained or updated to properly calibrate the new throttle body. Failure to perform this step may result in improper throttle response or fault codes.

Cross-Reference Part Numbers: 112-141-01-25, 112.141.01.25, 1121410125, A1121410125, 802000000164