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W221 strange problem with ACC
11-06-2023, 20:15 PM,
Post: #1
W221 strange problem with ACC
Hi,

I have a strange problem with ACC/Parktronic in W221.

Radars working fine, SRR and FRR also. But after 4-5 mins get a fault code and parktronic/distronic stops working.

5206 - Check component A86/1b2 (Left Inner Radar Sensor, Front Bumper) 

When restart car, everything works good but only 4-5 mins.

Sensor seems to be ok behind the front bumper, because when restart the car shows a parking distance correctly.
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