Description
The OEM Parktronic Actuator O-Rings (Part Number: A0239978445) are genuine Mercedes-Benz sealing components designed to provide a secure, moisture-tight seal for Parktronic actuators. These O-rings help protect the actuator and sensor connections from water, dust, and debris, ensuring reliable operation of the parking assistance system.
Manufactured to Mercedes-Benz factory specifications using high-quality, weather- and chemical-resistant elastomer material, these O-rings offer precise fitment and long service life. Worn or damaged O-rings can allow moisture ingress, leading to Parktronic sensor faults or malfunction warnings. Replacing them with OEM O-rings restores proper sealing and long-term Parktronic system reliability.

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