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MB M Class Owners Maintenance and Repair



  • aiyeeaiyee Posts: 2
    I have a 98 ML320, when I'm driving with the AC on and I make a right/left turn, water comes out into the driver/passenger side. Dealer wants $100 to look into it. Any suggestions before I authorize the work. Thanks.
  • I have a 1999 ML430 equipped with about every option including the now discontinued/not supported 1st Gen slapped on Nav GPS system. To date:

    Wind noise at door seals - warr service
    CD failure - replaced unit warr
    Nav system failure - replaced unit warr
    Transmission computer keeps ML in kicked down passing gear after I back off on gas pedal. Asking dealer about this..
    Seat belt recall - factory warr service
    Front brakes replace at 25K
    Sunroof failed - full replace under warr
    Sun visor bracket breakage - warr serviced
    Spring failure in rear seats
    Cup holders knocked out of alignment by long legged passengers
    Nose angle of hood is prone to rock chips from other cars

    Overall the vehicle has been great. Outstanding power, handles like a car, unbelievable traction control especially in rain. Can get interesting in extreme emergency maneuvers like any HCG SUV. Short wheelbase makes it still bounce you more than one likes for extended highway cruising. Seats in this model are not as comfortable as my Explorer was or 2000 model ML is. I have 6 yr 100K extended warranty. Am looking forward to 2004 larger SUV Mercedes has in design right now.
  • Just bought a brand new 02 ML320. I occassionaly have an issue where it feels like the engine is not getting enough fuel so it starts shaking and eventually die. The feeling is similar to a manual trans where you are trying to mix the clutch and the gas so it won't die on you. They replaced the fuel pump at 4k miles and now at 5.5k miles, the problem is showing up again.

    Has any one seen this?
  • ckim72ckim72 Posts: 6
    have a problem w/ my 2002 ML320. the passenger side mirror supposed to tilt down when you put the gear in reverse and you can program it(angle of the mirror) to your memory seat. I tried to
    follow the manual for programming but didn't work. called the dealer and they said the manual was misprint and you can't program the mirror. I got the convenient pak. just for that feature b/c it is really useful when you do parallel parking in city. Is this true? They said I was the first one noticed it. Seems like nobody knows how to fix this problem.
  • orlandorland Posts: 9
    The sales brochure implied that it was standard. When I called 1-800-MERCEDES to ask about it, they said that the tilt-down function was part of the M2 package, which I do not have but you do. I would definitely call Mercedes and ask about it. I would also ask your salesman and/or another dealer.
  • ckim72ckim72 Posts: 6
    I've finally got an answer from the MB. regarding malfunctioning passenger side mirror. In order to activate the tilt down feature, you need to press memory button under driver's seat every single time you get in the car. I think it is the most ridiculous feature I've ever seen in my life. They keep saying that it was just engineered like that, no further explanation! I thought owning a MB. would give me a piece of mind, in terms of service and quality, but I was wrong. I've learned my lesson in a very expensive way. Think twice when you buy a MB.
  • jlangmdjlangmd Posts: 6
    I have no problems with my mirror tilt down feature. You do need to have the passenger side mirror selected on the center console switch for it to work. I have never pressed my memory button.
  • ckim72ckim72 Posts: 6
    Yes, I know that you need to select the passenger side mirror button to mobilize the tilt down feature. It seems like the mirror is working when I program it, but it doesn't tilt down once I restart the engine. Is my ML only one doing that?
  • Hi, we use our 99 ML320 for commuting to work and nothing else - all freeway driving. The fuel service pump died - but we thought it was a service issue - now we realize that it was not. It died twice. Every door lock has been replaced. And now the engine died at 80,000 and has to be replaced. Cost of new engine? 20,000 buckaroos for a new one, 9,000 for a used. We do have extended warranty coverage and they want to put in a used engine. I figure once the engine is in, I will have almost a completely rebuilt car!
    Mercedes has been extremely unhelpful about all the problems,except that the service guys have admitted that all of my problems (except the engine failure) are common to the ML320 - and not just in the 99 year.
    I had a jag before this, so I guess that this is just part of the "charm" of owning an ML320. But it irks me because I thought Mercedes was more reliable than jags. Looks like I made a mistake!
  • A Class Action Lawsuit was filed against Mercedes Benz that effects owners of all 1999, 2000 and 2001 Mercedes Benz vehicles. When Mercedes Benz implemented the Flexible Service System (FSS) in 1999, which permitted extended oil change intervals of up to 20,000 miles, they recommended changes with regular (fossil) oils. By 2001 they experienced some engines with excessive sludge deposits and early engine failures. They then recommended oil changes with only specific brands of synthetic motor oils to address this problem. Since Mercedes Benz initial recommendation for use of fossil oils resulted in not only engine failures of 1999, 2000 and 2001 vehicles, but also premature wear in others, a class action suited was filed against Mercedes Benz. Approximately 2 weeks ago, Mercedes Benz agreed to settle this suit by agreeing to extend the warranty on all 1999, 2000 and 2001 Mercedes Benz vehicles to 10 years or 100,000 miles, whichever comes first. In addition, the owners of 1999 vehicles will receive a total of $3,500 of service, of their choice, at a Mercedes Benz dealer.

    Hope this information shows that Mercedes Benz plans to stand behind their vehicles. I would think the Mercedes will be contacting owners of 1999, 2000 and 2001 vehicles in the very near future.
  • Where can I find information about this. I searched on the net and could not find any references. A friend of mine mentioned that he also heard this story on local news channel.
  • brdrbrdr Posts: 7
    I have a 1998 ML320 that has thru so many problems that I am just about to give up on it. Will love to trade this for Lexus or some other reliable brand. Anyway does the lawsuit cover 98 models as well.

  • I own a 1999 ML320 that have had a myriad of problems since the first minute I owned it (the alarm kept on going off for no reason after it was delivered (ended up that the dealer was not aware of the recall when I bought it)). I have had the stupid BAS light go on and had to pull off to take care of it... stupid stuff. But, we need to check into this class action suit on the FSS. There are too many different stories going around. The post said that 1999 owners will get a $3500 credit for future service (that makes sense since I called the service rep and he mentioned that 1999 owners had to pay for all service related to oil). But, I called Mercedes directly and they mentioned that all owners will receive a $35 coupon for future oil change. Big difference in amounts.
  • Just got my notification from MBUSA. I will quote relevant sections from cover letter and suit documents.

    "Dear Mercedes-Benz Owner or Lessee:

    In March, 2001, we wrote to inform you of our recommendation to use only certain pure synthetic motor oils in your 2000 or 2001 model year Mercedes-Benz vehicle equipped with FSS.


    After our March 2001 letter, a Mercedes-Benz owner filed a class action lawsuit claiming that the use of conventional oil could result in engine damage. In fact, a very small number of Mercedes-Benz owners have experienced oil sludge and fewer still experienced related engine damage from the earlier use of conventional motor oil, particularly when FSS service intervals were not carefully followed.

    ....Nonetheless, without admitting any wrongdoing, we have agreed to settle the class action in order to return our focus to providing our customers the exceptional ownership experience we know you expect when purchasing a Mercedes-Benz vehicle.

    To demonstrate our commitment to superior performance and quality, we will cover your vehicle up to ten years from the date of first purchase or lease or 150,000 miles (whichever occurs first) under the terms of your existing warranty or any extended warranty you have purchased from MBUSA in the unlikely event of any future oil sludging or related engine damage in your vehicle from the earlier use of conventional, approved motor oil (API SH or S). MBUSA will also encourage its dealers to maintain their regular policy on loaner vehicles and other customer care benefits during any needed repairs. This coverage applies as long as you maintain your vehicle in accordance with our recommendations, including making the switch to approved pure synthetic motor oil as recommended in the March 23, 2001 letter. The specifics of this warranty coverage are outlined in the enclosed Notice of Class Action Settlement which we urge you to read carefully.


    You can rest assured that some of the world's best automotive engineers stand behind your Mercedes-Benz. If you have any questions or would like more information, please contact us at 1-800-367-6372.

    Mark Juron
    MBUSA General Manager
    Product Management
    Parts and Services"


    "TO: All persons throughout the United States, Puerto Rico and U.S. territories who at the time of Final Settlement approval own or lease a model year 1998,1999,2000 or 2001 (first purchased or leased before March 31, 2001) Mercedes-Benz vehicle equipped with the Flexible Service System ("FSS")(the "Settlement Class" or "Class")

    YOU ARE HEREBY NOTIFIED of a class action lawsuit that is pending in this Court and which parties propose to settle on a class-wide basis on the terms set forth below.

    If approved by the Court, the proposed settlement ("Settlement") will offer to all members of the class warranty coverage for oil sludging and related engine damage which may result from the use of API SH or SJ conventional motor oil in 1998 through 201 model year FSS-equipped Mercedes-Benz vehicles first purchased or leased before March 31, 2001 ("Vehicles"). It will also provide for the distribution of Maintenance Service Certificates in the amount of $35 each to owners and lessees of 1998 and 1999 vehicles usable as credit toward future scheduled service at an authorized Mercedes-Benz dealer which includes an oil change (A or B Service). Owners and lessees of 2000 and 2001 vehicles are already covered for these expenses under the Mercedes-Benz Maintenance Commitment.

    If you are a member of the Settlement Class, you have the right to participate in the proposed Settlement. You may choose to exclude yourself from the Class. If you elect to exclude yourself from the Class, you will not receive all the benefits of the proposed Settlement.

    On August 7, 2002, the parties filed their proposed Global Class Action Settlement Agreement with the Court. By order dated August 12, 2002, and entered on August 14, 2002, the court conditionally certified the Class for settlement purposes only, approved this form of notice to the Class, and scheduled a hearing on the settlement for November 25, 2002.

    None of the actions taken by the court in connection with the issuance of this notice constitute an opinion of the court as to the validity or truth of any plaintiff's legal or factual allegations or of the positions taken by any party in this action.


    the details go on, but as this is a huge post, and effected owners will get notice, that is the bulk of it.
  • I have 01 ML 430 that just had it's 3rd set of rear brakes installed at the 26,000 mile mark. The dealer and MBUSA says that is normal wear. The fronts are at %80 and are original. They say the wear is tied to the anti-slip system that is activated under acceleration, which causes the rear break to pulse. My problem is that this system is continually functioning even when there is no tire slipping apparent. Does anyone have any thoughts or additional info on this problem.
  • Does this class action cover ML's purchased used from third party dealers. I purchased mine at a dealers auction.
  • bertram60bertram60 Posts: 113
    Here is the plaintiff's lead counsels web site with the full details of the suit. Just click on Mercedes.

  • I found the info on this settlement very helpful and I immediatly contacted the Warranty people at MB USA to ask if owners of 1999-2001 ML 320's would be notified. The answer I got was no but that on regular service visits the dealer service staff would check for either engine damage or "sludging " and if this occured the warranty would be extended to 10 years or 150,000 miles . The "hooker" for me was when he said that this was the case only if the car was still under warranty whe the check was made.........and my warrranty expires this month......!!!
    I just got off the phone to my dealer service dept. and they didn't have a clue as to what I was talking about! They agreed to register my call on their records so that I don't get screwed when I take my car in next month when the warranty "JUST EXPIRED". SO I advise all 1999 Canadian owners to check their warranty expiry date and get hold of the dealer.
  • I was about to test drive a M-Class. After reading all the reports here, no-way. Thanks to all and thanks to Edmunds for this site.
  • she1122she1122 Posts: 33
    Two months ago, I bought a 2000 ML 430. It only had 19000 miles on it, so I still have about a year of Mercedes warranty left. I heard ( rumor ) that Mercedes offers a 100,000 mile extended warranty on the ML,if I apply for it before the car hits 25000 miles , but I can not verify that. Does any one know if this is true and where I would go to sign up?
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