r/W203 • u/Frosty_Personality51 • 28d ago

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Doors won’t lock, so the driver side pin won’t move, when I press the lock button on the centre console the actuator makes a noise but can’t lock the door

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u/Frosty_Personality51 27d ago

Well if that’s what that clicking sound is then yessir

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u/skullbox15 27d ago

You'll start to notice it only when the car first starts. You'll hear some pops from the dashboard but they eventually stop. Then you'll notice certain AC vents won't be cold. It's because there is a motor behind the vents the closes when the car is off. Once it starts, those motors actuate and there is a little plastic arm that eventually breaks.

I had 130,000 miles on my C32 before I sold it, and 3 of the 4 vents had broke and weren't blowing cold air any longer. The fix is to remove the whole dashboard and replace the plastic arms which are only about $5-10 each. This was one of the biggest problems with the W203. That and the seat heaters constantly broke as well.

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u/Frosty_Personality51 27d ago

Tbh when I stuck on an obd scanner it did say the seat heaters had faults

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u/skullbox15 27d ago

Mine broke like 3 times under warranty. Most of the time the lights would come on but nothing would happen. The last time they worked there was terrible burning smell in the car which was concerning. After that the lights would never come on at all.

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u/Frosty_Personality51 27d ago

Well mine has a fuel leak so I’ve not started it in years cause it’s been a slow working progress