Walker 225-1421 Manifold Absolute Pressure Sensor

Manifold Pressure Sensor for Mercedes-Benz

Walker Products 225-1421 is a manifold absolute pressure sensor for select Mercedes-Benz applications. It is built for engine intake manifold pressure monitoring and supports accurate engine management on turbocharged and performance-oriented models.

Compatible With Mercedes-Benz AMG GT 63, G63 AMG, GLE580, GLS580, Maybach S580, S680, S560, G550, and related applications listed below. Walker Products 225-1421 is a direct-fit sensor-only replacement for vehicles that use the specified intake manifold mounting location.

Key Features

• Manifold absolute pressure sensor for engine intake manifold use
• Walker Products engine sensor line backed by in-house manufacturing and engineering support
• Manufactured to meet or exceed OEM standards and specifications
• ISO 9001 and IATF 16949 certified production environment
• Cross-references Bosch 0261230342 for the same application
• Part number 225-1421 for ordering and catalog lookup

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with a product line that includes sensors, injectors, ignition-related components, and repair kits. This manifold absolute pressure sensor is part of that engine sensor lineup and is intended for vehicles that monitor intake manifold pressure as part of the engine control strategy. The 225-1421 application coverage includes Mercedes-Benz AMG GT 63, G63 AMG, GLE580, GLS580, Maybach GLS600, Maybach S580, Maybach S680, S580, G550, and other listed models across 2016-2025 model years.

What This Part Helps Address

• Incorrect manifold pressure readings
• Check engine light related to MAP sensor performance
• Rough idle or unstable engine operation tied to intake pressure data
• Driveability issues caused by inaccurate engine load calculation
• Sensor faults in the engine intake manifold circuit

Installation Notes

Install at the engine intake manifold location specified in the fitment notes. Verify connector style, mounting point, and calibration requirements before replacement. Clear diagnostic trouble codes after installation and confirm proper sensor signal with a scan tool if available. This part is listed as sensor only.

Quality Assurance

Walker Products manufactures engine management components to OEM-level standards and supports production with engineering, product management, and technical documentation resources. The company is ISO 9001 and IATF 16949 certified, reflecting controlled manufacturing and quality processes for automotive aftermarket sensors.

• Fits 2024-2025 Mercedes-Benz AMG GT 63 S E Performance, N/A
• Fits 2023-2025 Mercedes-Benz G63 AMG, N/A
• Fits 2021-2025 Mercedes-Benz GLE580, N/A
• Fits 2021-2025 Mercedes-Benz GLE63 AMG S, N/A
• Fits 2021-2025 Mercedes-Benz GLE63 AMG S SUV, N/A
• Fits 2021-2025 Mercedes-Benz GLS580, N/A
• Fits 2021-2025 Mercedes-Benz GLS63 AMG, N/A
• Fits 2021-2025 Mercedes-Benz Maybach GLS600, N/A
• Fits 2021-2025 Mercedes-Benz Maybach S580, N/A
• Fits 2022-2025 Mercedes-Benz Maybach S680, N/A
• Fits 2021-2025 Mercedes-Benz S580, N/A
• Fits 2023-2024 Mercedes-Benz AMG GT 63, N/A
• Fits 2021 Mercedes-Benz AMG GT 63, N/A
• Fits 2021-2024 Mercedes-Benz G550, N/A
• Fits 2023-2024 Mercedes-Benz G63 4x4 Squared AMG, N/A
• Fits 2024 Mercedes-Benz SL63 AMG S E Performance, N/A
• Fits 2023 Mercedes-Benz AMG GT 63 S, N/A
• Fits 2021 Mercedes-Benz AMG GT 63 S, N/A
• Fits 2023 Mercedes-Benz C63 AMG S, N/A
• Fits 2023 Mercedes-Benz E63 AMG S, N/A
• Fits 2021 Mercedes-Benz S560, N/A
• Fits 2016-2020 Mercedes-Benz G550, N/A
• Fits 2020 Mercedes-Benz GLE580, N/A
• Fits 2020 Mercedes-Benz GLS580, N/A
• Fits 2018-2020 Mercedes-Benz Maybach S560, N/A
• Fits 2018-2020 Mercedes-Benz S560, N/A
• Fits 2017-2018 Mercedes-Benz G550 4x4, N/A