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Mercedes Benz M-Class ML320 CDI

102 messages,  Last post on Oct 15, 2009 at 10:45 AM

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What is this discussion about? Mercedes-Benz M-Class, Diesel, SUV

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#32 of 102 320ML CDI - Gas by dyoung46 Mar 01, 2007 (5:22 am)
Live in Hi Desert where temps drop to low teens & single digits, read recently that low sulfur diesel fuel can "gel" at low temps, wondering if a) anyone has experienced something like this b) availability of this low sulfur diesel fuel, Plenty of Chevron stations here, do they carry it?? thanks to all dyoung46 Replies to this message: gagrice (Mar 01, 2007 6:03 am) mschafer (Mar 03, 2007 11:33 am)
#33 of 102 Re: 320ML CDI - Gas [dyoung46] by gagrice Mar 01, 2007 (6:03 am)
Replying to: dyoung46 (Mar 01, 2007 5:22 am) ULSD is number 2 diesel. It is good down to about zero. Most cold areas blend in number 1 diesel (kerosene) when it is very cold to prevent gelling. 100% Biodiesel can gel at a much higher temp. It depends on the source. I would mix it with number 2 diesel anytime you are in the freezing range. Most all stations are required to sell ULSD or post if they do not have it. To be sure you can use additives that prevent gelling.   PS Welcome to the Forum Replies to this message: mschafer (Mar 03, 2007 11:33 am)
#34 of 102 Sulfur smell by cneff Mar 01, 2007 (5:27 pm)
Just picked up an 07 ML320CDI and noticed an occasional sulfer smell and it stung my eyes....this happened at traffic lights and while idling in my driveway. Not brutal but enough to notice. What is odd is that the demo I drove showed no signs of this - I even stood behind it while it was running just to make sure. Mine is brand new, 42 miles on it. MB Customer service said that should not be, as the person I spoke to had the same model, maybe the dealer made an error and filled the tank with the wrong type of diesel.   Anyway...have any of you noticed this with the new CDIs? Does it improve over time?   I'm going to service just to be sure. Otherwise I am impressed with the drive ability of these Diesels. Over 20mpg on the computer and it is not nearly broken in yet.   Thanks in advance Replies to this message: subden (Mar 02, 2007 10:49 pm) mschafer (Mar 03, 2007 11:37 am)
#35 of 102 Bargains! by tidester HOST Mar 01, 2007 (9:22 pm)
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#36 of 102 Re: Sulfur smell [cneff] by subden Mar 02, 2007 (10:49 pm)
Replying to: cneff (Mar 01, 2007 5:27 pm) I have about 1000 miles on mine and have never even had a whiff of diesel fumes even when idling for long periods at cold temps (I live in Boulder, CO).I suspect that you may have a fuel issue.   So far, like you, I'm impressed with the driveability, particulary at altitude.
#37 of 102 Re: 320ML CDI - Gas [gagrice] by mschafer Mar 03, 2007 (11:33 am)
Replying to: gagrice (Mar 01, 2007 6:03 am) You are not allowed any additives with the 2007+ MB diesels.
#38 of 102 Re: Sulfur smell [cneff] by mschafer Mar 03, 2007 (11:37 am)
Replying to: cneff (Mar 01, 2007 5:27 pm) 4000+ miles on mine and no sulfur smell on mine either. Sounds like your dealer may have done your initial fill with LSD and not ULSD.   Best get that on record with MBUSA, as they very specifically state that the use of non-ULSD will result in no warranty coverage. Too much sulfur hurts the particle filter, and that puppy is about $3,000.
#39 of 102 Sulfur smell - thanks for the feedback by cneff Mar 03, 2007 (2:05 pm)
Thanks everyone for the feedback - it makes sense. I also think there is a fuel problem and I have noted it with the dealer and MBUSA. I'll be taking the ML in ASAP...they are expecting me.   I do hope it is just the fuel as I am most impressed with the mileage (still on that first tank from the dealer) this ML is capable of...not to mention the gobs of torque right under ones right foot.
#40 of 102 M Class Reliability by parocker Mar 05, 2007 (3:03 pm)
I ordered my ML 320 CDI about 7 weeks ago and am eager for its arrival. I have always gone for reliability when buying cars (TOYOTA AND LEXUS MOSTLY) and was disturbed to read the most recent issue of Consumer Reports which rated Mercedes at the BOTTOM of the list, even lower than Range Rover for crying-out-loud, in reliability. I am interested in your experiences with the M Class and Mercedes in general as Consumer Reports seems to consistently give MB and F. I buy new and keep forever and I though what better vehicle than a Mercedes Diesel (who know diesel better). Replies to this message: mercara (Mar 05, 2007 3:21 pm)
#41 of 102 Re: M Class Reliability [parocker] by mercara Mar 05, 2007 (3:21 pm)
Replying to: parocker (Mar 05, 2007 3:03 pm) I have been monitoring the message boards about the reliability of Mercedes as I am interested in buying a GL320 CDI. So far it seems to be a mixed bag. Some issues around the airmatic suspension and more recently a hose on the turbo coming off causing the truck to go into limp mode. Otherwise seems fine. It's hard to say for sure if mercedes has improved until after a few model years.

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