66 20 534
Risk of burning!
Work on the exhaust system may only be carried out when it has cooled down!
Ultrasonic transducers (1) can be removed without the bumper panel being removed.
Release retaining tabs (2).
Pull ultrasonic sensor (1) out of bracket and unlock and disconnected associated plug connection.
Before installation of ultrasonic sensor (1) on wiring harness, clean plug connection!
Make sure rubber ring (1) is correctly seated on ultrasonic sensor (2).