Mercedes C207 Turbine A/C Pressure Sensor Switch A0071530328

Mercedes C207 Turbine A/C Pressure Sensor Switch is a component from the Engine sensors and switches group, responsible for precise pressure measurement in the particulate filter system. Accurate reading of DPF operating parameters is crucial for the proper functioning of the engine control unit, stable power output, and exhaust emission reduction. This component is intended for users expecting a proven, factory-spec solution tailored to Mercedes brand standards.

Specifications and technical data

• SKU: A0071530328
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0071530328
• Substitutable numbers: A0071530328, A 007 153 03 28
• Category: Engine Sensors & Switches

Function and role of the DPF pressure sensor

The DPF pressure sensor in Mercedes C207 models monitors the pressure differential before and after the particulate filter. Based on this data, the engine control unit:

• assesses the soot loading level of the filter,
• initiates the DPF regeneration process under appropriate conditions,
• adjusts the fuel dosage and the operating strategy of the power unit,
• reduces the risk of overheating or damaging the filter.

Thanks to a properly functioning sensor, the exhaust system maintains stable parameters, and the engine retains predictable operating characteristics without sudden power drops or entering limp mode.

Benefits of using an original Mercedes component

Using a DPF pressure sensor from the Mercedes range ensures:

• compatibility with the factory engine control unit characteristics – no need for adaptation of replacements with different parameters,
• stable readings across the full range of loads and operating temperatures,
• proper cooperation with the vehicle's diagnostic system (error reading, live parameter logs),
• reduced risk of recurring faults related to incorrect exhaust pressure measurement.

Choosing such a component is particularly important in vehicles where maintaining the original control logic and predictable powertrain reactions is a priority.

Component condition and service application

The offered sensor belongs to the group of used parts, which allows for an economical repair of the DPF system while maintaining factory specifications. This type of component is often chosen in situations where:

• errors related to exhaust pressure or pressure differential across the filter appear,
• the engine enters limp mode with power limitation,
• the DPF regeneration process is too frequent or incorrectly initiated,
• it is necessary to verify system operation before an expensive replacement of the filter itself.

Before installation, a standard check of the vacuum and electrical installation is recommended to rule out additional causes of incorrect readings.

Selection and compatibility in Mercedes vehicles

To correctly select a DPF pressure sensor for a specific Mercedes vehicle, it is worth verifying compatibility with the part number in the service documentation or through the manufacturer's catalog. It is crucial to match it to:

• the specific engine version used in the C207 body,
• the type of particulate filter used,
• the engine control unit software version.

Precise matching reduces the risk of diagnostic errors and ensures proper cooperation with other sensors in the exhaust system.

Engine system service expansion

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as temperature sensors, pressure switches, or other sensors controlling the power unit, check the available parts in the Mercedes engine sensors and switches category.

When working with the power unit – especially in vehicles with higher mileage – it is also worth paying attention to the condition of the entire drivetrain. Practical tips on assessing the unit's condition, verifying accessories, and the cost-effectiveness of repairs can be found in the article Buying a used engine: 5 things you must check before installation, which helps organize the process of diagnostics and planning further service work.