Lower MPG 320 CDI - Mercedes-Benz Forum
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post #1 of 2 (permalink) Old 07-08-2019, 06:33 AM Thread Starter
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Question Lower MPG 320 CDI

Hello All:

I was wondering what other diesel owners were getting for milage on their GLs? I recently drove my sister's 2012 blutech and was surprised that she was getting 27+ mpg, while my 2007 CDI may get 22 mpg on long trips. Usually only achieving 20 mpg.

It make me wonder if the turbo is going out.

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post #2 of 2 (permalink) Old 07-16-2019, 03:03 PM
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27 is quite unusual ... although my experience is with a 2007 too. Think I saw 27 once with a fierce tailwind.
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