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Wh en to change the timing belt

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Old 04-08-2018, 03:37 PM
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Wh en to change the timing belt

At what intervals is the timing belt changed on a c300
Old 04-08-2018, 03:50 PM
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No belt. The engine uses a timing chain.
Old 04-08-2018, 04:23 PM
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OP must have had an Audi 2.0 FSI engine at one point and had to deal with the horrors
Old 04-08-2018, 04:38 PM
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haha, no these cars don't have timing chains*, the accessory belt on the other hand usually needs replacing at around 80-100k miles along with the tension and idler pulleys.
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Old 04-08-2018, 04:40 PM
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Originally Posted by ltwargssf
haha, no these cars don't have timing chains*, the accessory belt on the other hand usually needs replacing at around 80-100k miles along with the tension and idler pulleys.
You mean these cars don't have timing "belts", right?
Old 04-08-2018, 04:45 PM
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Originally Posted by superangrypenguin
You mean these cars don't have timing "belts", right?
​​​​​​

Haven't you heard ? These mercedes engines have a computer that replaces the need for a chain and just times the top end to match the bottom end with computer coding....ya no im full of ***, they most definitely have chains haha

Last edited by W204Motorsports; 04-08-2018 at 06:01 PM.
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Old 04-08-2018, 09:07 PM
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Our cars have timing chains but by reading this forum with all the people who complain about problems with their timing chains and thousands of dollars for repairs... I think I regret not having a belt instead of this chain. At least you know when you have to replace it and it is way cheaper and easier to perform.
Old 04-08-2018, 09:15 PM
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Originally Posted by dol4er
Our cars have timing chains but by reading this forum with all the people who complain about problems with their timing chains and thousands of dollars for repairs... I think I regret not having a belt instead of this chain. At least you know when you have to replace it and it is way cheaper and easier to perform.
Huh ? The chains on the m272 enigne are a solid design and fail very rarely, its definitely not a common issue on the v6, its more problematic on the m271 4cyl version and even then not so common, the cam adjuster sprockets are more **** to failure.

The tensioner is 150$ and requires just removing the alternator so I would just change it out once the alternator goes on a high mileage car. Im at 180k with stock alternator still running great and never had any timing chian issues.
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Old 04-08-2018, 09:31 PM
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Originally Posted by ltwargssf
Huh ? The chains on the m272 enigne are a solid design and fail very rarely, its definitely not a common issue on the v6, its more problematic on the m271 4cyl version and even then not so common, the cam adjuster sprockets are more **** to failure.

The tensioner is 150$ and requires just removing the alternator so I would just change it out once the alternator goes on a high mileage car. Im at 180k with stock alternator still running great and never had any timing chian issues.
Well, good for you and your V6 but if you read the forum, you will see that every page of threads has roughly about 1-3+ complaints about $xxxx for repairs of timing chains. I do not have statistics about the occurrence of the problem, probably it is not so common but what I read in the forum scares me a bit.

Last edited by dol4er; 04-08-2018 at 09:34 PM.
Old 04-08-2018, 10:01 PM
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Originally Posted by dol4er
Well, good for you and your V6 but if you read the forum, you will see that every page of threads has roughly about 1-3+ complaints about $xxxx for repairs of timing chains. I do not have statistics about the occurrence of the problem, probably it is not so common but what I read in the forum scares me a bit.

Please show me a thread with someone having timing chain issues on an m272 engine.. Il wait. I check this forum every day or so and I've had plenty of people I know with m272 engine which I recommended and none of them have had engine problems with a v6 w204. Are you confusing this with the balance shaft issue ? Again, these cars have a very well designed chain that will last well over 200k if you change your oil in time.

Its not "my v6" its the v6 you are blamming for having timing chain issue which is false and a very rare problem, this isnt a 4.2 audi engine or for that matter a lot of 4cyl german engine suffer from timing chain issue, the m272 certainly doesn't.

Last edited by W204Motorsports; 04-08-2018 at 10:03 PM.
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Old 04-09-2018, 08:32 AM
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Originally Posted by dol4er
Well, good for you and your V6 but if you read the forum, you will see that every page of threads has roughly about 1-3+ complaints about $xxxx for repairs of timing chains. I do not have statistics about the occurrence of the problem, probably it is not so common but what I read in the forum scares me a bit.
I don't mean to be direct, but I too will be waiting for these 1-3 + threads complaining about timing chain repairs costing money especially as I'm looking to add a E350 to our fleet.
V6 owner and operator.
Old 04-09-2018, 05:10 PM
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Let me be blunt. There is no systemic issue with timing chains on our cars (M272 engine in my case). I believe the OP is mistaken.
Old 04-09-2018, 05:44 PM
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Originally Posted by superangrypenguin
Let me be blunt. There is no systemic issue with timing chains on our cars (M272 engine in my case). I believe the OP is mistaken.
I agree I haven't seen any threads on this in the past.

I visit this forum less frequently now than the past. Regardless these cars have great engines. I think op is mistaken
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Old 04-09-2018, 08:08 PM
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My C250 coupe has the 4 cylinder M271 (35k odometer). From this here thread it sounds like the probability of timing chain issues are low........................

Have I got that somewhat right?

Comments?

Tks, ez
Old 04-09-2018, 08:59 PM
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Originally Posted by ezshift5
My C250 coupe has the 4 cylinder M271 (35k odometer). From this here thread it sounds like the probability of timing chain issues are low........................

Have I got that somewhat right?

Comments?

Tks, ez

Unfortunatly the m271 4cylinder is a little more prone to timing chain issues like failing tensioners, guides and cam adjusters. Its not support common but at least you have less components then a v6 to change if it ever fails because if one out of the 3 things I stated fails, you usually replace everythign for good measure, lucky for you at 35k nothing should go wrong and if it does well you just change out the failed component.
Old 04-12-2018, 12:59 PM
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Did someone say timing chain it's chains
Old 04-12-2018, 03:10 PM
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I change my engine oil not more than 5000Km, so lets see how long this one last.
Old 05-28-2018, 01:39 AM
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This is a personal opinion. All the various OHC engine designs are a good idea for high performance applications, meaning racing only. The need for constant maintenance makes this a bad deal for normal grand ma street cars. Good old dependable push rod design is the best for durability, and ease to work on as well. To me these new design Mercedes engines are just expensive, cheap design's, the simple act of use of Al for cylinders is great for a cheapy lawnmower engine, it is a flat bad idea for a supposed long lasting automotive engine, and so is the over use of the cheapest to use and machine material yes again aluminum, put it this way you don't often seen large or even small industrial cranes or even machine tools made from aluminum there is a reason.
Gosh it seems that old 1950's engines even out last some of these high priced junk disposable engines they now put in high priced cars now.

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