Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Let me do some checking I know that a lot of Mercedes take some time to relearn necessary running information after the battery is disconnected which could have caused this.
I have found some information for you issue, a common cause for this problem would be the turn signal flasher relay. The relay is located under the center console taped to the wiring harness. Give me just a second and I will get the part number for you.
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You can find the part for your VUE HERE.
Disregard the previous 2 posts, were added to incorrect conversation.