oliverstar73
CLK turn signal malfunction
Summary of the thread
A 2010 Mercedes CLK diesel is experiencing a turn signal malfunction, with an error message on the speedometer and a fault in the turn signal lighting. The suspected cause is a defect in the cable or plug connection. A suggestion was made to check the flasher relay, as a faulty relay can cause similar issues. Ultimately, the problem was resolved by addressing a defective plug connection, with a repair cost of 95€.
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4 comment(s)
oliverstar73 (community.author)
Thanks for the insight. Could you elaborate on the flasher relay's location in the vehicle's electrical system? A precise indication would be appreciated, as I'm not familiar with the CLK's wiring.
hannahschwarz10
I'm not sure of the exact location on your 2010 model. Consult the owner's manual or a wiring diagram for your vehicle's year and engine. Given the error messages and lighting fault, it sounds like an electrical fault. I took mine to a workshop. They replaced a broken lens and fixed a loose connection, which solved my problem.
oliverstar73 (community.author)
I appreciate your assistance. I'll investigate the wiring diagrams. I suspect a qualified workshop visit may be best. The diagnosis aligned with the suspected cause: a defective plug connection. The repair, parts and labor included, was 95€, resolving the turn signal issue.
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CLK
hannahschwarz10
I drive a CLK and had a similar turn signal issue last year. Your symptoms sound familiar. Have you checked the flasher relay? A faulty relay can cause intermittent turn indicator problems. Check it before chasing wiring issues.