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    E350 Cdi OPM642 NS Lower Engine Leak

    That shows how out of touch I am with the Mercedes range. I assumed the 'Blue Efficiency' notation referred to adblue!
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    E350 Cdi OPM642 NS Lower Engine Leak

    It does sound a pesky lump to work on. Is the adblue system likely to be problematic too? I know it's not supposed to be tampered with, but don't people just get it deleted from the ECU to avoid those issues?
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    E350 Cdi OPM642 NS Lower Engine Leak

    Thanks Malcolm. Your car is the sort of vintage I'm considering, so that's very relevant. If I buy a car that needs the work doing, any idea what an indy would charge for doing the cooler and turbo seals, along with cleaning the manifolds and swirl flaps? After cleaning my BMWs manifolds (and...
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    E350 Cdi OPM642 NS Lower Engine Leak

    I've been away from the fold for a few years and am looking to get back into a Mercedes with this engine. Any pointers about common problems and what to look for would be greatly appreciated. I was aware of the oil cooler seal issue, but had read that the more durable viton seals were fitted...
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