Mercedes-Benz Engine Variable Timing Adjuster - Pierburg A2720500578

Product Information

The engine variable valve timing (VVT) adjuster is a precision component mounted on the camshaft that regulates the timing of valve opening and closing to optimize engine performance. By adjusting camshaft phasing, the VVT adjuster improves power output, fuel efficiency, and emissions control under varying driving conditions. Typically controlled by oil pressure and an electronic solenoid, it plays a critical role in maintaining smooth engine operation and responsiveness.

• Rough idle or reduced engine performance – caused by improper valve timing control.
• Illuminated check engine light (CEL) – often accompanied by diagnostic trouble codes (DTCs) related to camshaft timing.
• Rattling or knocking noise from the engine – a sign of worn or failing adjuster components.

About Pierburg

Pierburg S.A. is a company that forms part of the KSPG AG Group, a worldwide leader in the design, development and production of automobile components. As a worldwide automotive provider, Pierburg S.A. holds a position as a leader in the automotive markets thanks to their competence in the areas of the reduction of emissions and secondary air management. The development of our products is carried out in close collaboration with well-known automotive manufacturers.

With a history beginning with the start of the automobile industry, Pierburg’s reputation has been that of superior engine expertise. Pierburg remains a pioneer in advanced pump technology working as an OEM (original equipment manufacturer) for many European auto brands. Their product line ranges from coolant pumps, oil pumps and re-circulating water pumps, to vacuum pumps and many more. For every function, Pierburg produces a solution that provides the highest reliability, dependability, and functionality for automobiles.

Even before the talks of climate change, Pierburg had been working on finding solutions for ecological friendly vehicle technology, in order to slow fuel consumption and decrease emissions. One example is Pierburg’s line of on-demand oil and water pumps only run when needed resulting in reduced engine emissions.