Would you buy another Mercedes if this happend to you? - Mercedes-Benz Forum

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post #1 of 7 (permalink) Old 04-12-2012, 02:19 PM Thread Starter
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Unhappy Would you buy another Mercedes if this happend to you?

Back in the fall I bought my first MB- a CPO 2008 E63 AMG with around 40k miles. I didn't really do much highway driving on the test drive (only a quick jaunt from one exit to the next), but after getting it home I discovered sulphur fumes entering the cabin whenever it was driven spiritedly (say accelerating hard up an on-ramp).

The fumes entering the cabin were so bad I would have to drop all the windows and hold my breath until they cleared out. After taking it in to be examined at both the dealership where I bought it and the dealership where my fiancée bought her GLK I was told it was normal and that nothing could be done. A call to MB USA in NJ met a similar dead end with the official response being that they had to side with the dealerships.

Not knowing what else to do I took it to a third dealership in the area where the shop foreman seemed willing to try and help. He took a ride with me and said there was definitely a problem and would replace the catalytic converters. This fixed the problem for about a month. The only thing you could smell during that time was a faint smell a bit like you'd smell in a machine shop, which I assumed was the assembly lube or cosmoline burning off- then no odors at all. Life was good!

About a month later the sulphur smell came back with a vengeance. I returned to the helpful dealership, but this time they said there was nothing else they could do and told me to try different gasoline. After trying all the various brands of gas in my area and failing to find one that didn't cause the smell I am once again back where I started.

Making some calls to performance shops like Renntech and Kleemann, I was told that this behavior was indeed abnormal and that I should keep complaining until MB fixes the problem. However I'm tired of making phone calls and just can't believe that a car company of MB's reputation would allow things to come to this.

So if this was your car, what would you do?

Thanks for any advice!!!
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post #2 of 7 (permalink) Old 04-12-2012, 02:53 PM
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I would drop it off EVERY DAY until it was fixed. When they tell you not to bring it back sue them for not fulfilling the CPO contract and insist that they either fix it or take it back.

Put signs in it that say "I bought this lemon at........"


In some states you can refuse delivery if the car was not able to function as promised. You merely take the tags off, return it to the dealer and notify them and your finance company by register letter that you are refusing delivery and will be paying no more payments. Dont drop your insurance though.

I doubt it's the cats though, I'd say that the engine is running too rich and is leaving deposits in the cats, which causes an abnormality in them.

2001 E320W (ELEGANCE)
2005 CLK500 Cabriolet

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post #3 of 7 (permalink) Old 04-12-2012, 02:57 PM
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I still wouldn't buy another one even if that didn't happen.
Owning a Mercedes is just a pain now
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post #4 of 7 (permalink) Old 04-12-2012, 03:14 PM
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I can't believe Mercedes is giving a loyal customer the cold shoulder. After all the bad things I've read I don't think I'd go anywhere near purchasing a newer Mercedes.

If something like this happened at Lexus they'd throw you into a lexus rental car until they found/fixed the problem.
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post #5 of 7 (permalink) Old 04-12-2012, 04:03 PM
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To answer main question -years ago I bought BMW 750iL, what was flagship of BMW. Yet the car was such a big oil leaker and gave me so many problems during short ownership, that I never bought another BMW, even I bought about 20 cars since than.
Even I know BMW are good cars and I just had bad sample -somewhere in back of my head the bad impression remains.
Coming to smell in the car -this can be interpreted in several ways. Bad cats would trigger CEL, so evidently it is not technical problem. Are the fumes poisonous, or are you just oversensitive?
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post #6 of 7 (permalink) Old 04-12-2012, 05:42 PM
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Would you buy another Mercedes if this happend to you?
"Back in the fall I bought my first MB- a CPO 2008 E63 AMG ... to come to this."
Buy non-AMG.
1-2 seconds faster acceleration = big headache and a dent to bank account.
If you read the carfax reports of AMG, most have multiple owners, they changed owners for two reasons:
AMG = Ah My God, I got a headache and lost $$$ fixing this and that.
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post #7 of 7 (permalink) Old 04-13-2012, 08:03 AM
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Cats do not cause this smell if the mixture is right, the mixture is obviously not right and the program on the ECU is wrong causing over fueling. The computer is allowing the fuel injectors to stay open for a split second too long. The ECU needs re programing.


People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf - George Orwell
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