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Advise on Headbolt Issue

 
Old 08-09-2016, 06:35 PM
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Advise on Headbolt Issue

I bought my 2009 C63 back in Feb of this year. The car is completely stock with 62k miles;

  • Low coolant popped up about 2 weeks ago
  • Bought the coolant from MB topped it
  • 2 days later same thing
  • Took it to the dealer
  • Turns out that the head bolts is the issue and now the head gasket is leaking
  • Car does not have factory warranty or extended warranty
  • Dealer quoted $5,400 for the repairs
  • Got MBUSA involved, however they are only willing to pay $500 as a "courtesy"
Now what would you guys do in this situations?
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Old 08-09-2016, 07:45 PM
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I'd at least get a quote from an independent shop. It's most likely less.
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Old 08-09-2016, 08:03 PM
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If you decide to repair definitely look at an independent it could be half the price.

Me personally I would not dump $5400 into the car as it will add no value. Consider trading it in for something else? The dealership is not going to knock $5K off your trade in value especially if you buy another car from them (they will do the repair on their own time or auction the car). I don't know how movable the car is, but you could trade it in elsewhere as well.
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Old 08-09-2016, 09:02 PM
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Go to a smaller shop that focuses on Mercedes and knows these engines. There is no way around doing this work now. Hope you aren't driving it.
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Old 08-09-2016, 11:03 PM
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Jeez. Really sh*tty of Mercedes to simply throw $500 your way. I know it's out of warranty, but I expect more from such a well respected auto manufacturer.

OP, for what it's worth, I was quoted $3k to replace with the "one at a time" method that others have successfully gone with. New M159 tappets included in that price as well.
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Old 08-09-2016, 11:37 PM
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Originally Posted by s.e.a.n. View Post
I bought my 2009 C63 back in Feb of this year. The car is completely stock with 62k miles;

  • Low coolant popped up about 2 weeks ago
  • Bought the coolant from MB topped it
  • 2 days later same thing
  • Took it to the dealer
  • Turns out that the head bolts is the issue and now the head gasket is leaking
  • Car does not have factory warranty or extended warranty
  • Dealer quoted $5,400 for the repairs
  • Got MBUSA involved, however they are only willing to pay $500 as a "courtesy"
Now what would you guys do in this situations?
IMO $4,900 is a decent price assuming it includes the SLS buckets. Does that include a one year warranty on the repairs? My dealer quoted me $4,500 a few years ago, have not heard of a lower quote from a dealer for the same complete job.
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Old 08-09-2016, 11:39 PM
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Sadly you can't do the "one at a time" method after you've got a gasket leaking. $5,400 is about $1,400 more than I paid for an AMG trained engine guy to do mine with the heads off (and replacing all the parts, including SLS buckets, and everything on the from of the engine).

Bummer. Just a bummer. Sorry to hear about your situation.
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Old 08-10-2016, 10:41 AM
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Originally Posted by AMG3.2 View Post
Jeez. Really sh*tty of Mercedes to simply throw $500 your way. I know it's out of warranty, but I expect more from such a well respected auto manufacturer.
I agree that maybe $1K or a labor discount would be nice as it's a known fault, but you can't expect Mercedes to cover this engine forever. It's a 7 year old car with 62K miles. OP chose not to purchase a warranty or a newer car and this is one of the risks of that.

You've only had the car six months? I wonder if the previous owner saw a low coolant message and traded it in. Unlikely, but not impossible.
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Old 08-10-2016, 11:09 AM
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Originally Posted by realjones88 View Post
I agree that maybe $1K or a labor discount would be nice as it's a known fault, but you can't expect Mercedes to cover this engine forever. It's a 7 year old car with 62K miles. OP chose not to purchase a warranty or a newer car and this is one of the risks of that.

You've only had the car six months? I wonder if the previous owner saw a low coolant message and traded it in. Unlikely, but not impossible.
Yeah, you're right. I'd be content with $1k.

Originally Posted by computertom View Post
Sadly you can't do the "one at a time" method after you've got a gasket leaking. $5,400 is about $1,400 more than I paid for an AMG trained engine guy to do mine with the heads off (and replacing all the parts, including SLS buckets, and everything on the from of the engine).

Bummer. Just a bummer. Sorry to hear about your situation.
That's not a bad price at all.

Last edited by AMG3.2; 08-10-2016 at 11:20 AM.
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Old 08-10-2016, 11:29 AM
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Sorry to hear you ran into this problem. I'll be following closely to see how it works out for you.

Just my $.02 as I'm also an owner of a 2009. I'm at 72k miles. I chose not to get an aftermarket warranty because to get one that would actually cover this specific repair would have cost around $5k at the time. Most of the cheaper warranties won't cover this. So there really is no way around paying that amount. It just comes down to paying it to the warranty company or the repair shop. In my case, I didn't want to pay it up front and I'm hoping to get the bolts swapped out one by one before it becomes an issue.

Best of luck getting it back and enjoying it again.
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Old 08-10-2016, 05:12 PM
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Originally Posted by realjones88 View Post
If you decide to repair definitely look at an independent it could be half the price.

Me personally I would not dump $5400 into the car as it will add no value. Consider trading it in for something else? The dealership is not going to knock $5K off your trade in value especially if you buy another car from them (they will do the repair on their own time or auction the car). I don't know how movable the car is, but you could trade it in elsewhere as well.
I've only owned the car for a few months which sucks, but trading it in is the last thing on my mind.

Originally Posted by Merc63 View Post
Go to a smaller shop that focuses on Mercedes and knows these engines. There is no way around doing this work now. Hope you aren't driving it.
No I haven't drove the car in about 2 weeks. You would think a high end auto manufacture like MB would do better. Taking it somewhere else is my only option at this point.
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Old 08-11-2016, 08:25 PM
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I would take it to a MB indy with a good name i see you're in Miami, I've heard a lot about a shop called JS Benz. Its labor intensive, but Ive read in a bunch of threads to be in that 3500-4000 range... i plan on changing mine out in a year or so as precautionary maintenance along with the sls buckets
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Old 09-19-2016, 04:43 PM
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A little update

Pull the motor.




This one bolt is corroded, a few of them completely snapped off. Horrible engineering by Mercedes Benz


The old head bolts v.s the new design







I hope to have the car back on the road by the end of the week, I am also changing the buckets

Last edited by s.e.a.n.; 09-19-2016 at 04:45 PM.
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Old 09-19-2016, 04:53 PM
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Jeez. The thought of breaking a bolt makes me terrified of taking on this project...
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Old 09-20-2016, 12:49 PM
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Originally Posted by s.e.a.n. View Post

I hope to have the car back on the road by the end of the week, I am also changing the buckets
Good news is that now you can enjoy your car knowing that the issue is fixed. My car is in the shop for this as well right now.
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Old 09-20-2016, 01:02 PM
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Looks like you went with an indy shop? Who did you use? Thanks for update and let us know how things go when you are back on the road.
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Old 09-20-2016, 07:07 PM
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What was the total cost and what parts did you replace if you don't mind sharing?
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Old 09-20-2016, 09:23 PM
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Any pics of the broken ones?

Mine looked similar to what you saw, but I caught them before snappage.



Mine ended up going to auction after I traded it in. Someone got a smokin' deal!
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Old 09-21-2016, 03:04 PM
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You're lucky you got symptoms of a head bolt failure vs hydro locking the motor for complete engine failure. My indie shop quoted me $2400 for the bolts as a future reference for when needed. I also plan to send the heads out for pnp if I ever do the bolts. Are the rest of the components required to be replaced or that'll be determined upon inspection of condition?
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Old 09-21-2016, 03:40 PM
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Originally Posted by akmatic63 View Post
Good news is that now you can enjoy your car knowing that the issue is fixed. My car is in the shop for this as well right now.
Yes can't wait.

Did you go with the Weistic APR studs?

Originally Posted by Case1906 View Post
Looks like you went with an indy shop? Who did you use? Thanks for update and let us know how things go when you are back on the road.
Mercedes Autobahn

Originally Posted by AMG6.3 View Post
What was the total cost and what parts did you replace if you don't mind sharing?
The total cost was 3,400. They changed the head bolts, the buckets, cylinder head gaskets, sealer gasket, intake manifold gaskets, tensioner, spark plugs, fluids. I sure I am missing some misc stuff. I'll give you some more details once the car is done.

Originally Posted by Mag1c Carp3t View Post
You're lucky you got symptoms of a head bolt failure vs hydro locking the motor for complete engine failure. My indie shop quoted me $2400 for the bolts as a future reference for when needed. I also plan to send the heads out for pnp if I ever do the bolts. Are the rest of the components required to be replaced or that'll be determined upon inspection of condition?
That will be most likely determined upon inspection.

Originally Posted by computertom View Post
Any pics of the broken ones?

Mine looked similar to what you saw, but I caught them before snappage.

Mine ended up going to auction after I traded it in. Someone got a smokin' deal!
I'll grab some more pics later.

Last edited by s.e.a.n.; 09-21-2016 at 03:49 PM.
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Old 09-21-2016, 05:35 PM
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Glad to see that your car is on the road to recovery. Now you can enjoy it again.
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Old 09-22-2016, 01:39 PM
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Originally Posted by s.e.a.n. View Post
Yes can't wait.

Did you go with the Weistic APR studs?
I haven't started the work yet, but yes I plan on going with the apr studs and all the neessary parts through weistec (buckets, gaskets etc) and Im most likely going to get the forged internals kit form them too! Cars been down for over a month now, the anticipation is killing me.
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Old 10-26-2016, 11:24 AM
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This has been a long intense journey, when I got the car back the mechanic told me that the lifters are a little noisy and that it should go away within a few days. Fast forward to 2 weeks ago I brought to car back since the noise was still noticeable and the car started making a weird knocking noise upon start up. Turn out the cam adjuster are going bad which are almost 700ea, he suggested I change all 4 including the washers. I had no idea these cars were so problematic!
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Old 10-26-2016, 02:59 PM
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Originally Posted by s.e.a.n. View Post
This has been a long intense journey, when I got the car back the mechanic told me that the lifters are a little noisy and that it should go away within a few days. Fast forward to 2 weeks ago I brought to car back since the noise was still noticeable and the car started making a weird knocking noise upon start up. Turn out the cam adjuster are going bad which are almost 700ea, he suggested I change all 4 including the washers. I had no idea these cars were so problematic!
My man, my heart goes out to you. Im sorry you are have such issues. Were you ever able to squeeze MBUSA for any more than the 500?
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Old 10-26-2016, 03:02 PM
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Originally Posted by s.e.a.n. View Post
This has been a long intense journey, when I got the car back the mechanic told me that the lifters are a little noisy and that it should go away within a few days. Fast forward to 2 weeks ago I brought to car back since the noise was still noticeable and the car started making a weird knocking noise upon start up. Turn out the cam adjuster are going bad which are almost 700ea, he suggested I change all 4 including the washers. I had no idea these cars were so problematic!
Jeez, sorry to hear man. I wonder what went bad in the cam adjusters.

Honestly, when I was DIY'ing this, I was looking at these dang things and couldn't for the life of me figure out what they did...
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