Is the MB dealership right? - Mercedes-Benz Forum

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post #1 of 16 (permalink) Old 02-02-2006, 12:51 PM Thread Starter
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Is the MB dealership right?

I took my 1990 420SEL into the MB dealership the other day for new belts (5). When the service advisor looked under my hood, he said, "I do see two real problems here. You're are not using genuine MB brake fluid by the color of it are you?" I said, "no, I didn't think it mattered." He said, "it does. Non-MB fluid could mess up your ABS. Second problem, you're not using genuine MB coolent either, I can tell by the color. Im warning you. You HAVE to use MB fluids in your car or you could risk damage". I told him to replace my brake fluid and my coolent with MB stock. QUESTION: Does it really matter or did he B.S. me?
Total bill? $568.00 [:0][:(]
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post #2 of 16 (permalink) Old 02-02-2006, 01:02 PM
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RE: Is the MB dealership right?

I'll give you two guesses and a clue.Do you have any idea how many Mercs there are running happily in the third world and why there are so many running in the third world?

They have to be the correct fluids,but they don't need to have a MB label on them.

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post #3 of 16 (permalink) Old 02-02-2006, 01:09 PM
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RE: Is the MB dealership right?

Anything in your owners manual about it? I know VW uses G-12 coolant that's never meant to be changed and needs to be in there as long as you're under warranty.

As far as brake fluid if the system is meant to use silicon-based fluid you have to use that vs. regular run of the mill DOT3 fluid and vice versa.

$568.00 for fluid is alot of money...
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post #4 of 16 (permalink) Old 02-02-2006, 01:19 PM
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RE: Is the MB dealership right?

568.00? I believe I'd find me another dealer for service.
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post #5 of 16 (permalink) Old 02-02-2006, 02:31 PM
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RE: Is the MB dealership right?

If your owners manual is like mine, it says to use DOT 3, I believe. I dont feel like running out in the cold to check the manual just now, but it does not have to be MB fluid. Same for the coolant. The stuff I have in there is not MB fluid and works fine. I did go to the dealership and ask them about transmission fluid and they told me it was okay to buy it from a place like Advanced Auto. No need for special mercedes brand. Which dealership?city etc? Sounds like you got ripped off[:(!]

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post #6 of 16 (permalink) Old 02-02-2006, 02:37 PM
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RE: Is the MB dealership right?

As long, as the fluid meets specifications, you can use any brand of fluid.
Problem might be, that some manufacturers make their own specification, forcing the owners to overpay what they need. I would stay with MB brake fluid, but coolants are not rocket science.
I own VW tdi, that require special specification oil. Only 2 suppliers in US are selling it. Can you figure out the price?
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post #7 of 16 (permalink) Old 02-02-2006, 04:04 PM
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RE: Is the MB dealership right?

OMG.... find an indy or other dealership....

Go back to the guy that gave you that quote and tell him to FO...LOL and that because of his absurd quote he has not just risked loosing your business but actually did.

What a total rip off. If you're using stuff that meets or exceeds the normal specs you will be fine.


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post #8 of 16 (permalink) Old 02-02-2006, 05:08 PM
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RE: Is the MB dealership right?

Nothing special about MB brake fluid, although you ought to try a little harder than Pep Boys to find some to use.

You might return to dealership with the following article describing "stings" and let the service guy know you're on to him.

Antifreeze is another story. You ought to use MB antifreeze or Zerex GO-5

Kent Christensen
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post #9 of 16 (permalink) Old 02-02-2006, 09:21 PM
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RE: Is the MB dealership right?

I am going to open my own dealership. I would have done the job for you.

my price...$468
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post #10 of 16 (permalink) Old 02-02-2006, 09:49 PM
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RE: Is the MB dealership right?

I'm with the others in that fluids not have to be OEM unless there is a special additive. For a 1990 model I don't think you'd have to worry about the new type of anti freeze or trans fluid so you should be good for all fluids.

Did he check your oil to see if it was MB stuff and what about the battery and light bulbs. You know those electrons don't flow through none MB light bulbs correctly. [:D]
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