Standard Ignition AS450 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Mercedes-Benz and Maybach

The Standard Ignition AS450 Manifold Absolute Pressure Sensor is engineered to provide accurate pressure readings for optimal engine performance. Designed specifically for select Mercedes-Benz and Maybach models, this sensor ensures precise monitoring of manifold pressure to support efficient fuel management and emissions control.

• Terminal Quantity: 3 for secure electrical connections
• Female connector with a single plug-in design
• Connector shape combines round and rectangular for compatibility
• Black color finish for durability and corrosion resistance
• Includes O-rings for proper sealing and vacuum integrity
• One vacuum port for accurate pressure measurement
• Male pin-type terminals for reliable signal transmission
• No hardware or mounting brackets included
• Wiring harness not included

Detailed Product Description

The AS450 Manifold Absolute Pressure Sensor from Standard Ignition is a critical component in the emission control system, designed to measure the absolute pressure inside the intake manifold. This sensor features a three-terminal configuration with male pin terminals and a female plug-in connector, ensuring a secure and stable electrical connection. The connector’s unique round and rectangular shape fits precisely with the vehicle’s wiring harness, minimizing installation issues. The included O-rings help maintain a tight seal around the vacuum port, preventing leaks that could affect sensor accuracy.

Compatible with a range of Mercedes-Benz models including the C230, C280, C350, CL65 AMG, E350, G65 AMG, GLS350d, ML350, S600, SL65 AMG, and SLK350, as well as Maybach S600 and S650, this sensor supports proper engine management and emissions compliance. The AS450 part number ensures you receive the exact replacement sensor designed for these vehicles.

Common Applications and Issues Addressed

• Helps resolve engine performance problems related to incorrect manifold pressure readings
• Prevents rough idling and stalling caused by faulty sensor data
• Supports accurate fuel injection timing and air-fuel mixture adjustments
• Reduces emissions by providing precise pressure input to the engine control unit
• Eliminates check engine light triggers related to manifold pressure sensor faults

Installation Notes and Tips

• Ensure the O-rings are properly seated to avoid vacuum leaks
• Disconnect the battery before installation to prevent electrical shorts
• Verify connector orientation matches the round and rectangular shape for a secure fit
• Do not reuse old hardware; this sensor does not include mounting brackets or hardware
• Test sensor operation after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition manufactures the AS450 sensor to meet or exceed OEM specifications for fit, form, and function. While hardware and mounting brackets are not included, the sensor comes with O-rings to ensure proper sealing. This part is backed by Standard Ignition’s quality standards and typically includes a limited warranty against defects in materials and workmanship, providing confidence in its durability and performance.