own a 05-E320. When I unlock the door I hear the engine make noise for a few seconds. Sounds either electrical or air in suspension? A friend called it "growling", Should I be concerned?
It's a Gremlin in your engine. He lives inside the hood of your car. Just leave him alone and he won't bother you. If you had an E55 you would be able to see his eyes in the grill.
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