M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Difference in 2007 and 2008 and ml320 CDI's

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Old 05-12-2009, 08:49 PM
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Difference in 2007 and 2008 and ml320 CDI's

Is it my correct understanding that the 2008 ml320's use the new bluetec engine and get worse gas mileage than a 2007 CDI? is there any reason to get a 2008 over a 2007 considering that it gets lower gas mileage, or are there enough new changes made in 2008 to warrant the purchase?
Old 05-13-2009, 12:21 AM
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It's the 09 that has the new Bluetec engine. I believe the 07 and 08's are the same.

I have the 09. 6000 trouble free miles so far.
Old 05-13-2009, 03:26 AM
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Old 05-13-2009, 02:43 PM
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Originally Posted by nkole
It's the 09 that has the new Bluetec engine. I believe the 07 and 08's are the same.

I have the 09. 6000 trouble free miles so far.
This is correct, except it IS NOT a new engine.

What has changed is the exhaust system, now with urea injection. Could of course be some engine management computer changes to correspond, but mechanically it's the exact same engine.
Old 05-13-2009, 03:18 PM
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Originally Posted by lkchris
This is correct, except it IS NOT a new engine.

What has changed is the exhaust system, now with urea injection. Could of course be some engine management computer changes to correspond, but mechanically it's the exact same engine.
Don't forget that the '09's also have lovely RunFlat tires, as well as no spare tire.
Old 05-29-2009, 08:48 PM
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The good thing about the 07-08 is that you don't have to worry filling it up with glorified **** every once in awhile. Not sure how much it costs, or how long it lasts.

Last edited by medici78; 05-29-2009 at 08:50 PM.
Old 05-29-2009, 11:27 PM
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Originally Posted by medici78
The good thing about the 07-08 is that you don't have to worry filling it up with glorified **** every once in awhile. Not sure how much it costs, or how long it lasts.
A REALLY dumb comment.

It lasts same mileage as an oil change.
Old 05-30-2009, 03:51 AM
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Originally Posted by lkchris
A REALLY dumb comment.

It lasts same mileage as an oil change.
How is it a dumb comment? Where did I say it didn't last as long as an oil change?
I'm simply (lightheartedly ) commenting on the fact that its one more system that needs to be kept up. Personally, I'm happier without the additional worry of Adblue but, to each his own. The '09 model is still a damn fine car.
Sorry to ruffle your panties.

Last edited by medici78; 05-30-2009 at 03:55 AM.
Old 05-30-2009, 05:00 PM
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08 GL 450 / 09 ml 320 / 10 ml350
14 bucks for 1/2 gallon adblue
Old 10-16-2011, 01:39 PM
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Originally Posted by toothdr
14 bucks for 1/2 gallon adblue
$11.37 for 2.5 gal at Walmart here in Missouri (just checked )

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