valentina_walter3

Citan turn signal fault

My 2021 Mercedes Citan, diesel engine, with 250298 km on the clock, is showing a persistent turn signal fault. The error memory logs the issue, and it's flagged on the speedometer display, plus the indicator light itself is acting up. I suspect a dodgy cable or plug connection. Has anyone seen this before? I'm thinking it's just a defective turn indicator. The estimate for lamp replacement is about 95€. Does this sound right?

4 comment(s)

Sounds familiar. I had a similar gremlin with the turn signal on my old Renault Scenic. The indicator light was going haywire. Flasher relay maybe? Did you check the simple stuff first, like, is the lamp itself actually blown? Or is it flashing too fast or too slow?

The lamp seems okay visually. No obvious breaks in the filament. But, yeah, it's flashing rapidly on that side. Could a seemingly intact lamp still be the culprit? Is it worth doing a lamp replacement anyway?

Rapid flashing definitely points to a bulb issue, even if it looks okay. On the Scenic, it was the same thing. Looked fine, but replacing it sorted the whole mess out. If you've checked the connections are solid, and it's still doing it, honestly, I'd just bite the bullet and get the lamp replacement done. If that doesn't fix it, then it's workshop time for sure.

Thanks for the input. Lamp replacement did the trick. The error's gone, and the turn signal is working properly again. I appreciate the advice.

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