Description
The Boost Pressure Sensor for Mercedes GLA 220 / 200 and CLA 200 C117 X117 is a component from the Engine Sensors & Switches category, responsible for precise measurement of boost pressure. A properly functioning sensor ensures stable engine operation, optimal performance, and correct engine control unit response to load changes.
Specifications and technical data
- SKU: 0261230441
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: 0261230441
- Part type: Sensor
- Category: Engine Sensors & Switches
Function of the Boost Pressure Sensor in Mercedes Engines
The boost pressure sensor in Mercedes GLA 220, GLA 200, and CLA 200 C117/X117 models is responsible for transmitting information about the current intake manifold pressure to the engine control unit. Based on this data, the control system adjusts fuel dosage, injection timing, and manages the turbocharging system.
A functional component in this group allows for:
- stable boost pressure across the entire RPM range,
- proper acceleration dynamics,
- exhaust emission control according to manufacturer specifications,
- safe load values for the engine.
Benefits of Using an Original Mercedes Sensor
Using a boost pressure sensor designed for specific GLA 220 / 200 and CLA 200 C117 X117 versions allows for maintaining factory engine operating parameters. Proper adaptation to the control system minimizes the risk of ECU errors, limp mode, and power loss.
Key advantages include:
- Compatibility with the factory Mercedes engine control unit software,
- stable readings across a wide range of temperatures and loads,
- correct interaction with the turbocharger and intake system,
- reduced risk of rough idling, jerking, or excessive smoke.
Component Condition and Service Application
The offered boost pressure sensor is a aftermarket part, allowing for economical repair of the boost system while maintaining proper operating parameters. It serves well as a replacement for a damaged sensor, as well as a part used in diagnosing power issues, boost pressure errors, or engine entering limp mode.
In workshop practice, such a sensor is used, among other things, for:
- emergence of boost pressure-related errors in the control unit,
- noticeable power loss or sluggish throttle response,
- problems with excessive or too low boost pressure,
- verification of readings during computer diagnostics.
Professional Approach to Mercedes Engine Ancillaries
To fully utilize the potential of the boost system in GLA and CLA, it is worth taking care of all engine ancillaries – from sensors, through the intake system, to fuel injection. If you want to better understand how to care for the key components of these brands’ engines and avoid common faults, read the article Reliability under the star – how to care for engine ancillaries in popular Mercedes-Benz C and E-Class models?, where you will find practical tips on operation and parts selection.
If you are planning comprehensive service for the engine control system in your Mercedes and are also interested in other measuring elements and switches related to the operation of this brand’s engine, check the available parts in the Mercedes Engine Sensors & Switches category.





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