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Good day my people, I need advice on the purchase of 2007 ML 350. I want to know if this model is affected by balanced shaft issue, reliability and fuel consumption. And if affected with balance shaft, how do I know for the one am to purchase?
 

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CURRENT: 2011 SL550, 2011 C300 FORMER: ML350, CLK550 Cabriolet, C240, ML320, 300TD
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Fro the balance shaft failure, the problem was resolve halfway through the My2007 build. If you were buying a MY2006, then it would definitely be in the range, and a MY2008 would be beyond the range, but for MY2007, you need to check the engine serial number. The easiest way to get that is to look at the data card (build sheet) which you can get here:


The engine serial number will look something like this:

272967 30 123456

Take the last SEVEN digits (0123456 in this case). If that is above 0468993, then it's beyond the range. Below that (or equal) then it's in the range for potential failure. My advice for a car with an engine in the range is to avoid it unless you can prove that it has already been repaired. These are not failing at a high enough rate for the consumer review sites to notice, but my theory is that they will all fail, some just earlier than others. When something like that fails at 150K+ miles on a 10+ year old car, no one really keeps up with the statistics so the review sites won't mention it, and resale value is pretty low anyhow so potential failure is not reflected in the price.
 
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