tildalehmann2
Mercedes B Klasse Bumper Antenna Issue
Summary of the thread
A 2014 Mercedes B Klasse owner experienced issues with unreliable locking, unlocking, and engine starting without the key in the ignition, suspecting a cable or plug problem related to the bumper antenna. Another individual with a similar vehicle had faced related issues, including poor radio reception and remote key malfunctions, which were traced back to the automotive antenna connection. The problem was confirmed by a mechanic to be a faulty bumper antenna connection, which was repaired, resolving the issues.
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4 comment(s)
tildalehmann2 (community.author)
Did you also get the engine start issue? And was it definitely the bumper antenna or something else?
ralfmoon1
Yes, the engine thing was the worst part. It turned out to be related. I took it to a workshop and they confirmed it was the automotive antenna connection. Best to get it checked. Could save you a bigger headache later on.
tildalehmann2 (community.author)
Thanks. Mechanic confirmed the bumper antenna connection was faulty. Repair cost 95€. All good now.
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MERCEDES
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BKLASSE
ralfmoon1
I had something similar happen with my B Klasse. The car radio reception was terrible, and the remote key was acting up. It might be a problem with the fm antenna connection. Check the antenna replacement cost. I'm no expert, but it sounds like the radio signal isn't being received correctly by the car.