My father is looking to purchase a used '06 C230 with low mileage. Are there any problems to look for on the late W203 cars? How do they hold up with age? Anything in particular?

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1989 300CE

Many of the M272 engines in those cars have balance shaft issues, as well as intake manifold issues.

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

Was there any warranty or service campaign offered my MB to address those issues? The '06 C230 is the first year of the new V6 then correct?

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1989 300CE

In the W203 C-class it was the first year.

NO extended warranty coverage, make sure to buy MB extended warranty!

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

Heres a link that explains all about the engine.

http://www.motor-talk.de/forum/aktion/Attachment.html?attachmentId=681441

Mine was past the engine serial # with bad crankshaft sprocket, but replaced all 4 Cam magnets with updated ones $25 each, one was bad I just replaced all 4 CEL came on.
Hope this helps you out

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1995 E320
1998 E320
1999 E320 4Matic
2000 E320 4Matic
2000 ML320
2007 C230 Sport
2003 Cadillac CTS