Date registered: Dec 2002
Vehicle: 92 500SEL to 01 E320T current 2014 lexus LS460
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Quoted: 3 Post(s)
The system working properly would commuicate with the key and then withdraw the locking bolt, it is the typical noise you hear when inserting the key fob, and withdrawing it. It is hard to diagnoise a noise, go to your MB dealership and ask your service advisor if it is a normal noise. They probably wont charge for that, there is a solenoid that pulls the bolt out of the steering ring...and keeps it out untill the key is removed.