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Original Mercedes-Benz ultrasonic sensor for the anti-theft alarm system (ATA), fitted to S-Class W220 (1998–2005) and CL-Class C215 (1999–2006). Manufactured by Delphi, this unit detects movement inside the cabin to trigger the alarm during intrusion. The sensor includes the electronic component and decorative grey (Orion Grey) trim cap with textile insert. Verify the OEM code A 220 821 54 51 and colour code 7G16 against your original unit before ordering.
Original Mercedes-Benz ultrasonic sensor for the anti-theft alarm system (ATA), fitted to S-Class W220 (1998–2005) and CL-Class C215 (1999–2006). Manufactured by Delphi, this unit detects movement inside the cabin to trigger the alarm during intrusion. The sensor includes the electronic component and decorative grey (Orion Grey) trim cap with textile insert. Verify the OEM code A 220 821 54 51 and colour code 7G16 against your original unit before ordering.