[WilliamMB]

I read an evaluation of a 2001 SL500 on mercedesheritage.com and was surprised to find the following:

“... we’re aware of failing crankshaft pulleys on many of the 2000 and later V-6 and V-8 cars. If left unchecked the wobbling pulley will slowly machine a nice groove in the front engine cover eventually requiring its replacement, a very expensive repair... “

I had never heard about this before. Is this a common problem on our cars?

William

 

[SunGuy61]

William,
The specific part you're referring to is the harmonic balancer. On some model years involving the 113 engine, the balancer was found to defective and part of a recall by MB. An advance search on 'harmonic balancer' should bring up the previous discussions of this recall.

 

[WilliamMB]

I think the author is not talking about the balancer. Here is the rest of the article:

“…We check all the pulleys and tensioners on these cars and after checking our SL, requested MBZ to replace most of these items. So there are now a few more entries in this cars warranty data bank…”

William

 

[SunGuy61]

William,
This link will take you to a schematic that shows the harmonic balancer (with the pulley on the end of it) also refered to as a 'vibration absorber'.

http://www.auto-parts.spb.ru/cat/cats/m.mycat?Form

If this site asks you for a VIN#, use WDBFA68F4XF180477

 

[wayneg]

I think the recall was USA only as my UK car had the problem when I bought it. The car had been dealer maintained before my ownership. Thankfully the Indy I had the car serviced at in London spotted it before any damage was done. Well worth a check if you are not in the States

 

[miketiggy]

“... we’re aware of failing crankshaft pulleys on many of the 2000 and later V-6 and V-8 cars. If left unchecked the wobbling pulley will slowly machine a nice groove in the front engine cover eventually requiring its replacement, a very expensive repair... “


Felt the wobbling pulley (it sound a bit like a helicopter) took it to my indy and he told me i got lucky ...

266 euro plus 85 for the labour.....

at least i avoided bigger damages :bowdown:

interesting topic about this @
* M112K Crank pulley / Vibration Damper / Harmonic Balancer information * - MBWorld.org Forums