2012 V8TT Engine | Spark Plug Recall
Super Member
Joined: Oct 2007
Posts: 730
Likes: 9
From: The Beach
2012 C63 Purpose built race car, 2015 CLS 63 S, 2016 GLA45, 2017 GTS
Its been running great ever since they replaced the plugs.
Super Member
Joined: Oct 2007
Posts: 730
Likes: 9
From: The Beach
2012 C63 Purpose built race car, 2015 CLS 63 S, 2016 GLA45, 2017 GTS
Member
Joined: Jan 2010
Posts: 143
Likes: 0
12 CLS63, 12 GLK350, 08 RR SPORT SC,
So it's happened to me. Misfire in cylinder 5. It wasn't so bad though. Just a bit more shakey at idle and some popping noise from the very left exhaust. It's in the shop now so we will see what they come up with. Also I'm getting the service A done. How much are you guys paying for service A?
Super Member
Joined: Oct 2007
Posts: 730
Likes: 9
From: The Beach
2012 C63 Purpose built race car, 2015 CLS 63 S, 2016 GLA45, 2017 GTS
So it's happened to me. Misfire in cylinder 5. It wasn't so bad though. Just a bit more shakey at idle and some popping noise from the very left exhaust. It's in the shop now so we will see what they come up with. Also I'm getting the service A done. How much are you guys paying for service A?
I'm convinced that my tune had nothing to do with the plugs outside of the fact that it may have put more stress on a defective plug that otherwise could have handled it. I did a rally where my car was on for 5 hours under very aggressive conditions for over 200 miles on a very warm day...and she was fine.
But I am installing a Renntech Intercooler tomorrow in order to create a "safer" environment under the hood and denser air for the beast to feast on...
Super Member
Joined: Oct 2007
Posts: 730
Likes: 9
From: The Beach
2012 C63 Purpose built race car, 2015 CLS 63 S, 2016 GLA45, 2017 GTS
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Super Member
Joined: Oct 2007
Posts: 730
Likes: 9
From: The Beach
2012 C63 Purpose built race car, 2015 CLS 63 S, 2016 GLA45, 2017 GTS
That adds more ammo to my logic. I too had the plugs go at roughly 10 days after I got my ECU back and as mentioned, I have since driven it hard for a few thousand miles now with no issue.
Logic is learning toward the this:
-The plugs were/are defective but managed the stress under normal conditions.
-The tune is causing the plugs to be pushed to reasonable limits normally but is expsoing what may be considered a minor default by the factory.
-I have not had any plug issues after the first occurrence and once the plugs were replaced.
I will be interesting to see what happens to you over the next few thousand miles..
Logic is learning toward the this:
-The plugs were/are defective but managed the stress under normal conditions.
-The tune is causing the plugs to be pushed to reasonable limits normally but is expsoing what may be considered a minor default by the factory.
-I have not had any plug issues after the first occurrence and once the plugs were replaced.
I will be interesting to see what happens to you over the next few thousand miles..
MBWorld Fanatic!
Joined: May 2009
Posts: 1,484
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From: Abu Dhabi
C218 CLS63TT PP Edition1, W213 E63S
im getting NGK plugs for sure, and i ordered 1 to check that size will be 100%, and it did, so i ordered the other 7.
will install them and post feedback
will install them and post feedback
