MAP Sensor for Mercedes-Benz W211 and W203 Part numbers: 0051535028 and A0051535028 What this is - Intake manifold absolute pressure MAP sensor that monitors the pressure inside the intake manifold after the throttle valve. It provides the engine computer with the absolute pressure reading, which varies with engine speed and load. Why you need it - Accurate pressure data is essential for correct fuel metering and ignition timing. - Proper readings help maintain smooth idle, responsive acceleration, and overall engine efficiency. - Replacing a faulty MAP sensor can prevent driveability issues, reduced performance, and potential ECU fault codes. Compatibility and fit - Designed to fit Mercedes-Benz W211 and W203 models. - Please verify your vehicle model and year as well as the part numbers 0051535028 or A0051535028 to ensure compatibility. - If you are unsure about fit, contact us for help to avoid unnecessary returns. Installation and installation quality - Direct replacement that precisely matches the original accessories. - Non-destructive installation is convenient and fast, preserving existing wiring and connectors. - The sensor is intended to integrate with the original system to maintain proper performance and reliability. Use scenarios - Scenario 1: Replacing a failing MAP sensor to restore accurate manifold pressure readings, resulting in improved idle stability and better throttle response. - Scenario 2: During routine maintenance or sensor upgrades to ensure the engine management system receives reliable data for fuel and ignition control. - Scenario 3: After diagnostic checks show irregular readings or ECU fault codes related to intake pressure, to reestablish correct engine management and driveability. Key attributes - Function: measures absolute intake manifold pressure after the throttle valve to reflect engine speed and load. - Compatibility: fits Mercedes W211 and W203 with part numbers 0051535028 / A0051535028; exact OEM fit for reliable performance. - Performance: supports accurate fuel metering and ignition timing for optimal engine operation. - Installation: straightforward, direct replacement with non-destructive installation. Notes - Please confirm model year and part number to ensure compatibility. - If you need assistance with compatibility, feel free to ask before purchase.