C230 and M271 Reliability
Thanks for any advice or inputs!
I drive a w209 and after 170k miles, I am still driving with the original timing chain.
If it has been maintained well and if you continue to maintain it well (the correct fluids at the correct intervals) you should be fine for many years. Listen for rattling on cold starts as the sign of a stretching timing chain. You can replace the chain and guides and be fine as long as you catch it before it jumps time.
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PO took good care of it and based on the extensive records that came with the car, even he did not have any major engine related issues with it in the 5.5 years he had it. Just some minor stuff: thermostat, a couple of pulleys etc.
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Considering the mileage, I hope the guides and sprockets are still fine.
Car has been serviced at 10k intervals since new and driven by grown-ups. Makes me wonder why some wear down so fast while others seem to last well over 100k without rattles.

Considering the mileage, I hope the guides and sprockets are still fine.
Car has been serviced at 10k intervals since new and driven by grown-ups. Makes me wonder why some wear down so fast while others seem to last well over 100k without rattles.
the chain wear in my opinion is based on the oil intervals and how u drive the car.
the chain wear in my opinion is based on the oil intervals and how u drive the car.

I ran 13,000 oil change intervals on my C230 and had it analyzed several times with Blackstone Labs. They recommended 15,000 and said the oil change interval was fine. As long as you use the correct fluids and filters you'll have no problem.
Your opinion doesn't matter. The facts do, however.




