2005 C230 111k.

Started with a stumble in the idle for a couple days. On its final drive, it was very difficult to get started and would shut off unless it was already moving.

I've replace both throttle position sensors and the camshaft adjuster magnets and seen no change (wont start). Tomorrow I'll do my best to chase the wires to see if they are bad or shorted.

If I don't find anything, is the next place to look the timing chain?

These were the codes:
P0010 Camshaft Position Actuator Circuit (Bank 1)
P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0340 Camshaft Position Sensor 'A' Circuit Malfunction
P0341 Camshaft Position Sensor 'A' Circuit Range/Performance
and P0171 but I think that one is an old one.

Thanks!

 

It's very likely that the timing chain has slipped.
Sorry. :-(

Therefore, the cam timing chain gears are garbage.
The timing chain gear on the crankshaft may also be bad (that's also a lot more work to replace).

If you can do the work yourself, and do not try to "incorrectly" save money (other than the gears), then it's likely fixable and that aspect of the engine will likely be fine for a good amount of time.
By "incorrectly", I mean using a POS timing chain (IWIS is dirt cheap) and not spending the ?~~$200? on the needed correct tools (many China clone tools are fine for a few uses).
There are clone/cheap gears, and likely fine for ?~~70K++? miles. Imho, that means that the clone/cheap gears will likely outlast the cars.
Imho, the MB gears are $$$. *I* would get them, if I needed them. But, I also bought a 100% brand new supercharger, intake, intercooler, and "few grand of other stuff". My engine/car refresh is meant to give me 50K+ mile of mostly trouble free driving.

Fwiw, there is a lot of bad/incorrect info in the forums. Just because someone does something, and the engine "works", that does not mean that the engine will last any amount of time.

For example, you can drive with NO AIR in ANY tire on the highway at 65mph.
So, does that mean that you don't need air in your tires???
The same is true with a lot of the info/advice on the forums.
People do stuff, and the car doesn't burst into a black hole and swallow the universe. So, they claim that what they did was right/okay.

Most people are trying to be helpful.
However, mechanical engineering (automotive engineering, engine design, etc) is more than reading stuff on the interweb, and knowing how to use a screwdriver.

Fwiw, I'm swamped now until Autumn 2019. So, I won't be able to help much. There's plenty of info in the forums. Imho, the older stuff often has more reliable info.

Good Luck!

 

To clarify, I mean buy the IWIS timing chain, verses buying an even cheaper timing chain.
The IWIS timing chain is cheap for a timing chain, and it's "very likely" the same exact timing chain that MB dealers sell (at ~4-6x the cost). In fact, the MB timing chain even has the master link in an IWIS bag. I bought both and compared.

Fwiw, I buy my MB parts directly from a MB Dealer. For a number of reasons, *I* do not trust car manufacture parts from any place other than directly from a Dealer.

Fwiw, just because IWIS makes the MB timing chain, that does not mean that it is exactly the same thing. Imho, even a mechanical engineer new grad should be able to rattle of a number of reasons why that statement is true.
However, IWIS is known for it's quality. So, I "doubt" there would be much, if any, difference.

Still, for me, I don't play the lottery or gamble. So, I used the MB chain in my engine.
Fwiw, I've been buying and comparing multiple brands of the same parts since I was in school. It's a good way to learn different things. And, I see it as adding to my professional learning and knowledge.

Good Luck!