Timing Chain

[luco]

The engine light has come on on my 2008 C180 Auto. There is 100,000 mile on the clock.
The garage has told me that I need a new timing chain.
I was under the impression that as it was a timing chain and not a belt it did not have to be changed.
They are also saying that the 2 gears might be damaged an might have to be replaced.
I am due to drop the car in on Monday so any advice in advance would be great.

Thanks.

 

[Dieselman]

They will be correct and you have been lucky it went so long.

 

[luco]

Has this changes as my last car was 2003 C180 with 220,000 on it and I never changes it.

 

[Dieselman]

Later engines have single row chains made of butter.

 

[mersum1es]

If you have M271 it may be true, other engines are very reliable what comes to timing chain. Possible cam shaft/ crank shaft sync error could be due to sensor fail too.

Sometimes Balance shaft if causing troubles but I'm not familiar which engine types are prone to fail.

 

[luco]

Ok thanks for the info, I just wanted to make sure it needed to be changed.
Many thanks.

 

[grindles]

my w202 (C250TD) is at 598,000 km and i haven't changed the chain yet. my garage man seems to think i don't need to . . .

 

[Dieselman]

my w202 (C250TD) is at 598,000 km and i haven't changed the chain yet. my garage man seems to think i don't need to . . .

Your car has an OM605 engine, not the M271 the O/p's car has.

 

[ricardo62]

Your car has an OM605 engine, not the M271 the O/p's car has.

dieselman you learned person can you enlighten me as to whether I have a weak timing chain that needs replacing , car is 2000 e 320 cdi?

 

[jaymanek]

Thise M271 engines can wear teeth too so your garage will need to check for this.

 

[Dieselman]

dieselman you learned person can you enlighten me as to whether I have a weak timing chain that needs replacing , car is 2000 e 320 cdi?

No you haven't. Eventually it will stretch, which can be measured by setting the cam to TDC and check the degrees of stretch on the crank indicator. 5 deg is the limit.

 

[Ted]

So, with 30k on my m271 engine, other than regular oil changes, how can I prolong the life of my timing chain and gears?

 

[Dieselman]

Fit a new chain before it wears the sprockets.

 

[Ted]

Thank you DM.

 

[t-dawg1]

Fit a new chain before it wears the sprockets.

Does this timing chain problem/issue apply to OM642 V6 engines?

 

[Dieselman]

No.

 

[shorty]

Our local MB specialest checks the chains on every service once the car has crossed 40k . The sprockets are over 700 euro each .