Timing chain kit? OEM or not

hod05

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Hello

I'm having my E250 om651 timing chain, sprockets and tensioner replaced and the garage has said they use Seto (or seti? Not sure I heard right ) parts he said they are a German OEM quality parts manufacturer and they make a timing chain kit for the OM651 engine this means its cheaper than OEM since merc don't sell the bits as a kit.

Should I be worried about this? The garage is a long running merc indie with excellent online reviews I've used them before without issue. But has anyone heard of these parts? Does this sound right?

I did ask for a quote using only merc parts apparently it will be more because they all need to be bought separately.
 

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If a long running MB Indy with a good reputation told me they had done a good job , I wouldn’t ask any more questions because I wouldn’t have asked them to do the work if I didn’t trust their judgement ?
 
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hod05

hod05

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If a long running MB Indy with a good reputation told me they had done a good job , I wouldn’t ask any more questions because I wouldn’t have asked them to do the work if I didn’t trust their judgement ?


I've not had it done yet I just want to get advice before so I don't end up with same problem in 6 months only to be told on a forum such as this one it because non merc parts were used.

I just want to get some advice on whether it is worth it pay extra for mercs parts that may not be any different quality wise than the kit they suggested.
 

Wighty

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I've not had it done yet I just want to get advice before so I don't end up with same problem in 6 months only to be told on a forum such as this one it because non merc parts were used.

I just want to get some advice on whether it is worth it pay extra for mercs parts that may not be any different quality wise than the kit they suggested.
Maybe ring another Indy for a quote and ask them what parts they use for comparison ?
 
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hod05

hod05

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Maybe ring another Indy for a quote and ask them what parts they use for comparison ?

There's only one other indy in my area and they wouldn't do the job because when they had the car they didn't hear the rattle (it's intermittent)

while true it don't rattle every cold start when it Does it it is unmistakably the chain noise. Some might say it's not bad enough if it's only intermittent rattle but I want piece of mind that the engine is safe and not gonna pop any second on the motorway

Only other option is main dealer 1900 vs 900 give or take 100 at indy. No brainer
 

mioba

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Geniune all the way. Genuine parts fit, patten parts can sometimes me a mm off and in this scenarios even 0,00001 mm off is enough!


Just my tuppence
 

Duffy3074

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Geniune all the way. Genuine parts fit, patten parts can sometimes me a mm off and in this scenarios even 0,00001 mm off is enough!


Just my tuppence


These are the genuine parts that are regularly being replaced because they fail far too early???

let me think hard about that.

:)
 

jaymanek

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This is not a job you want to do twice. Why risk it. Important to use genuine parts, especially the tensioner, the design of which has been modified many times by mercedes.
 

mioba

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These are the genuine parts that are regularly being replaced because they fail far too early???

let me think hard about that.

:)

Even some genuine parts are not the best but I can assure you any patten part for what your after will need re doing sooner.
Genuine Part may well have been superceded anyway for one of better build.

do what you want at the end of the day.
 

Duffy3074

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I wasn’t aware that Merc had revised the parts for the timing chains, when did that happen as Ive got an early car?
I’ll keep an eye out for the revised parts if I need to do the job

:)
 

LostKiwi

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I wasn’t aware that Merc had revised the parts for the timing chains, when did that happen as Ive got an early car?
I’ll keep an eye out for the revised parts if I need to do the job

:)
He said "Genuine Part may well have been superceded" not "Genuine Part has been superceded".
 

Duffy3074

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He said "Genuine Part may well have been superceded" not "Genuine Part has been superceded".

So they may well be the same quality part that’s failing regularly?

My point is that there are times where OEM isn’t automatically the best choice

:)
 

Frontstep

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Some parts are unreliable from MB and need regularly replacing finding a better replacement is often difficult but at least their cheaper.
 

LostKiwi

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So they may well be the same quality part that’s failing regularly?

My point is that there are times where OEM isn’t automatically the best choice

:)
Aftermarket have less incentive to improve quality than MB. You won't know if a part is superceded with an improved part unless you look up the part numbers.

For myself I work on the principle that the more critical the part or harder it is to change I will be more likely to use genuine as too many aftermarket parts are sub standard and I gave neither the time, money or inclination to keep changing parts to find out which is best.
You may well feel differently and if so good luck.
 

W245207

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IWIS is O.E supplier of timing components for majority of manufacturers.
 

star

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It’s a bit like saying aftermarket brake pads from certain manufacturers ARE the same as oe. But this is not the case in majority cases. Another problem is finding the good ones. I’ll get my popcorn ready. :)
 

Frontstep

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There's so many different manufacturers out there but I don't believe only a pad with MB on is going to stop me.
I went from MB to EBC and I am very happy.
 

LostKiwi

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There's so many different manufacturers out there but I don't believe only a pad with MB on is going to stop me.
I went from MB to EBC and I am very happy.
I'll never fit EBC to any of my cars again after my last experience if them. Nothing but trouble which magically went away when I fitted a different brand.
 

Duffy3074

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Bearings: SKS
Filters: Mann

Are where I’m usually at.

FEBI I use as well

It doesn’t have to have Mercedes on the box to be a top quality part.
 
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