Join Date: May 2012
Location: Denver, CO
Vehicle: 2003 SLK 230
Other Toys: '91 E Stock MR2 and '84 FSP Celica! And my poor '72 Capri that I need to finish.
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Thanked 6 Times in 6 Posts
The car is still at the mechanic.
They got the ESP module, but did more testing and decided that wasn't the problem. They're sending that part back. I'm *very* glad I didn't spend $1,500 for a repair only to find out in a few days/weeks that it didn't fix the problem.
But after messing with the car quite a bit, they tell me they were able to make the problem happen reliably. So what is it? You'll be shocked.
K40 Relay. Damn-it. I wish I had done a little more research. I know I've read about this problem before, but when looking today, I found several references here to a no crank issue exactly like we have. You try to start the car, but nothing happens, then you hear the cooling fans come on. Weird.
The mechanic feels sure they have found the problem, and it's less expensive than the ESP module, so while I'm dumping some money, it's less than I was prepared to spend. And I do feel good about the mechanic. They have some hours tied up in this and did admit that their first diagnosis was wrong. He suspects this is why the car was sold, and to tell the truth, I'm thinking he's right.
If that's the case, it kind of stinks that people would do that. I understand, but not good. I'm really hoping this puts an end to this issue. But if not, or if I didn't have a mechanic that could track this down, I'm not sure what we would have done. Worst case, we would have sold the car and disclosed the issue. I'm sure we would have lost several thousand dollars. So spending a few hundred bucks to get it diagnosed and fixed is money I'm happy to spend. I'll admit, though, it will take a few months for the car to earn my trust. I'm very encouraged that they say they can reliably recreate the issue, though, and I'd say I'm reasonably hopeful that this will be the end of it.
I’ll post a couple more updates down the road. Wish us luck!
(edit) Hum. After reading a bit more, I'm a little worried - I never got a check engine light. We'll see.