W211 E63 m156 please HELP!!!




The lifter/tappet wouldn't have fallen into the combustion chamber, as the lifter/tappet sits above the valve, but the valve could have. I just hope that you didn't have a valve hit the piston, but I think you might have when the camshaft broke.




Last edited by E63007; Sep 8, 2022 at 06:35 PM.




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So my cam lobe hit my tappet so hard that it had been punctured the corresponding valve stem and turned my engine off. Luckily, the piston for that chamber lodged itself in such a way that it was halfway in the cylinder head and halfway in the block but not entirely BDC. This prevented my engine from starting and causing more damage to the head. After a good inspection, no damage to the piston was found. I ended up getting all new lifters, and a new cam for the driver side intake, where the problem had happened. Minimal metal shavings in my oil so I said screw it we are keeping this engine. Also did my headbolts while I was at it. Triple checked the timing, reassembled my heads and now the moment of truth. Went to start the car, and it ROARED to life. The breath of relief I took in that moment was absolute bliss. Now I still realized I was not fully in the clear due to the metal shavings. So I drove it about 600 miles keeping it under 3500 rpm to break in all the new parts and I soon as I passed that mark, I took her to redline and everything went off without a hitch. Ive been driving her daily for the past couple weeks now and the engine feels perfectly fine. I wonder if any other m156 owners have had a problem with your 722.9 not shifting at the right times or even at the worse times in my case. I hope this helps at least one of you and please drop your questions if you have any and I will try to answer to the best of my ability.
So my cam lobe hit my tappet so hard that it had been punctured the corresponding valve stem and turned my engine off. Luckily, the piston for that chamber lodged itself in such a way that it was halfway in the cylinder head and halfway in the block but not entirely BDC. This prevented my engine from starting and causing more damage to the head. After a good inspection, no damage to the piston was found. I ended up getting all new lifters, and a new cam for the driver side intake, where the problem had happened. Minimal metal shavings in my oil so I said screw it we are keeping this engine. Also did my headbolts while I was at it. Triple checked the timing, reassembled my heads and now the moment of truth. Went to start the car, and it ROARED to life. The breath of relief I took in that moment was absolute bliss. Now I still realized I was not fully in the clear due to the metal shavings. So I drove it about 600 miles keeping it under 3500 rpm to break in all the new parts and I soon as I passed that mark, I took her to redline and everything went off without a hitch. Ive been driving her daily for the past couple weeks now and the engine feels perfectly fine. I wonder if any other m156 owners have had a problem with your 722.9 not shifting at the right times or even at the worse times in my case. I hope this helps at least one of you and please drop your questions if you have any and I will try to answer to the best of my ability.
Your engine went because you got on it hard, and the 63's were always, and continue to be, junk.
I own two of the best engines in the world, and it isn't made by Mercedes. The M156 isn't even in the same galaxy.
https://www.carthrottle.com/post/the...ording-to-you/
https://www.complex.com/sports/2013/...m156-v8-eulogy
Equitiesguy, it appears some feel differently from you. One could be respectful and let them have their own opinions…but I guess some people just feel the need to be heard…
To the OP I’m glad you got your car fixed and hope you enjoy it, even if it doesn’t feature the M113K that decimates all lol
N
https://www.carthrottle.com/post/the...ording-to-you/
https://www.complex.com/sports/2013/...m156-v8-eulogy
Equitiesguy, it appears some feel differently from you. One could be respectful and let them have their own opinions…but I guess some people just feel the need to be heard…
To the OP I’m glad you got your car fixed and hope you enjoy it, even if it doesn’t feature the M113K that decimates all lol
N
https://www.motorauthority.com/news/...mg-v-8-defects
Don't post puff piece links from idiots regurgitating the same bulls-h-i-t Mercedes puts in their press release.
The only reason Mercedes wasn't held liable for the suit is because all the cars were out of warranty, and the motors survived the 50k miles. That isn't quality. That isn't "one of the best engines of all time."
You know what that is? Junk.
And I'll add that I'm not deliberately knocking on the 63 platform directly. I just want people to realize this is not a bulletproof motor, and you should treat it accordingly. You should also not make posts proclaiming it to be the best motor of all time, when it is --- in fact --- junk.
Surely someone as knowledgeable as you was aware of this settlement? Maybe you were too busy piece puffing lol
I’m the first to admit the M156 has many issues. But your attitude is obnoxious as can be. Why try to crap on the M156 every chance you can get? Move on.
N
Last edited by nm4; Jun 12, 2021 at 06:52 PM.
Surely someone as knowledgeable as you was aware of this settlement? Maybe you were too busy piece puffing lol
I’m the first to admit the M156 has many issues. But your attitude is obnoxious as can be. Why try to crap on the M156 every chance you can get? Move on.
N
I just drove a C217 AMG 65 facelift coupe, and you don't want to know what my opinion is of that vehicle either (it was intended to replace my CLS directly). Though I do like the M279 + Speedshift drive train. They finally replaced the 722.643 with what I *** believe *** is another bullet proof transmission, but the jury is still out there because of the electronics in the valve body. The final iteration of the V12 (in the now M279) has some real enhancements to reliability, but I question why they haven't done this long ago. These are the same kind of changes they made to the 63 engines in the SLS, but not to the rest of their lineup for the M156.
I only crap on the M156 when people open their mouth and say it's one of the best engines in the world. It isn't. It's junk. AMG opened their mouth and toted that it was the first engine the AMG division designed from the ground up, and it's a complete failure. Frankly, it's possible most of their engines are junk. The M275 has some issues, although for the most part I believe it's relatively decent and may be the only other motor Mercedes produced in recent history that isn't trash. Once Mercedes parts from their 3 valve/2 spark plug per cylinder design, they have serious problems with internal reliability.
Last edited by equitiesguy; Jun 12, 2021 at 07:25 PM.



I totally agree that the M156 engine has issues - magnesium intake manifold housing prone to corrosion, cam adjuster plates that gall out, original hydraulic lifters that can stick, head bolts that can break (although blown way out of proportion just like the IMS bearing issues with 996 and 997.1 P-cars), but as an owner of an 09 E63 who has spent about $8k sorting out the above issues, I truly love to drive this car. The M113K engine is stout and has less issues than the M156, no arguing that, but I just prefer an NA engine over a blower. The interior trim and fit/finish of the 07-09 W211 AMG cars is substantially better than the first Gen W211's. If they had kept the M113K engine with the facelift interior (and front bumper cover), I probably would prefer that car. All the above said, the M156 engine is certainly not junk and that is what I and others have a problem with your commentary. What IS junk is the SBC brake system.




I thought since there ARE vids and kits for manual swapping an m113k, I figured that's exactly what I should do. It would truly be a 1 of 1 ultimate w211. I can do the work myself, just I wanted to get some outside knowledge and opinions beforehand from the MB boys here on MB world.
N




So my cam lobe hit my tappet so hard that it had been punctured the corresponding valve stem and turned my engine off. Luckily, the piston for that chamber lodged itself in such a way that it was halfway in the cylinder head and halfway in the block but not entirely BDC. This prevented my engine from starting and causing more damage to the head. After a good inspection, no damage to the piston was found. I ended up getting all new lifters, and a new cam for the driver side intake, where the problem had happened. Minimal metal shavings in my oil so I said screw it we are keeping this engine. Also did my headbolts while I was at it. Triple checked the timing, reassembled my heads and now the moment of truth. Went to start the car, and it ROARED to life. The breath of relief I took in that moment was absolute bliss. Now I still realized I was not fully in the clear due to the metal shavings. So I drove it about 600 miles keeping it under 3500 rpm to break in all the new parts and I soon as I passed that mark, I took her to redline and everything went off without a hitch. Ive been driving her daily for the past couple weeks now and the engine feels perfectly fine. I wonder if any other m156 owners have had a problem with your 722.9 not shifting at the right times or even at the worse times in my case. I hope this helps at least one of you and please drop your questions if you have any and I will try to answer to the best of my ability.
As for the general performance of the M156 E63, I have rebuilt mine over the past 5 years. If you do a search on my posts, it will give you the full picture. I currently live in S. Florida where it obviously is totally flat, so I haven’t really been able to test on, say, the mountain roads of Colorado, Wyoming, Utah or Cali for that matter where I have been able test my other Cars of SAAB Aero pre 1993 Lore! Nevertheless, on the open road, of which there are enough to make do, this ride simply dominates where and when you want or need It! I installed a 3.06 w/ LSD in mine recently ( during my latest marathon build) and the response is just killer! At the general hwy speed (55,65,70) and beyond, as long as I’m hovering right at 3k rpm, performance is on-demand up to redline, although I rarely ever go beyond 5k! There’s no need. If I was at 5000 ft on a curvy mountain road, or anywhere with elevation change fir that matter, maybe the need would be otherwise. That is, unless I was on the track, but that remains a dream! Moreover, if I ever really want to feel the road/stiffen the suspension, because I went so far as to preserve the OEM AirSprings All around, I can push that button and have a slightly different experience, if need arises! I certainly pleased!



