GLS Class (X166) Produced from 2016 to 2019

Used Vehicle lemon Law and Crankshaft

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Old Nov 5, 2021 | 10:45 AM
  #1  
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Used Vehicle lemon Law and Crankshaft

I have bought a CPO gls450, after 2 months, the car can not start. The dealer told me the engine is seized and needed to change the crankshaft. I have waited for about one month, but the dealer still needs to wait for the parts.
May I ask for a refund for the car according to the lemon law? If I resell the car, is the car's value will drop since changed the crankshaft?

thanks
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Old Nov 5, 2021 | 11:03 AM
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Don't think Lemon laws apply to a used car. You may be able to get an attorney to get your money back but, in the end, it will probably just cost you a bunch of money. I would demand they put you in a car while yours is in the shop. Don't think the value will be negatively affected but I would wonder how the crankshaft failed. Never heard of that on a newer MB with the exception of the diesel equipped versions and that was due to clogged passageways. If the previous owner did not maintain the engine to the extent it would cause the crank to seize, you will have other failures down the road.

You need to press them as to why it failed. If they say infrequent oil changes, you should demand your money back since it shouldn't have made the cut for a CPO vehicle.
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Old Nov 5, 2021 | 11:51 AM
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thank you so much for your help!
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Old Nov 5, 2021 | 05:23 PM
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according to MA law, is it can be refunded?

(ii) If the dealer fails to repair the same defect within three attempts, or if the used motor vehicle is out of service for more than a cumulative total of ten business days after the consumer has returned it to the dealer for repair of the same, then the dealer shall accept return of the vehicle from the consumer and refund the full repurchase price, less a reasonable allowance for use. A reasonable allowance for use shall be fifteen cents for each mile the used motor vehicle has been operated between its sale and the dealer's repurchase.
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Old Nov 5, 2021 | 06:00 PM
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Are you in Texas or Massachusetts? Don't see a location in your profile?
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Old Nov 5, 2021 | 06:00 PM
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I think, given the circumstances, you'll have a tough time proving that your problem was caused by a defect. I don't know how many miles are on the car, or how many you put on it, but engines don't typically seize after thousands of miles of abuse. They generally seize while the cause is happening and the cause is usually oil starvation. I suggested in your other thread that you ask them how they thought it happened. Did you ever get an answer?

If the dealer is willing to fix it on their dime, I suggest you let them do so. Unless you can prove it was their fault it failed, I wouldn't push too hard. You can always request a loaner car, if you don't have one already.
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Old Nov 5, 2021 | 06:00 PM
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Old Nov 5, 2021 | 06:06 PM
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Thank you so much for your suggestions, I have asked the dealer, and was told that "they were not sure the reason, maybe an overrev of the engine for an extended period of time". the car only drive about 30,000miles when I bought it. and I just drive for about 3000miles, 2 months.
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Old Nov 5, 2021 | 09:24 PM
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Were you manually shifting to a lower gear coming down the mountain? (Still, I'd expect it to automatically shift up if it was revving to high.) I've never tried to force it to over rev.
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Old Nov 6, 2021 | 07:42 PM
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HI, Hohn, yes, I use lower gear manually, but the rmp is about 4000
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Old Nov 7, 2021 | 08:41 AM
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Yeah, so it's a mystery. Besides, I suspect it would automatically shift up if you approached the red line. I know they shift down if you get too slow. There's a sensor to tell you if you're low on oil, and you didn't over rev it, yet it seized. That road isn't that steep that you'd unport the oil pickup tube, unless the oil level was very low.
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Old Nov 7, 2021 | 09:06 AM
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It is far to the red line. The engine oil was no problem, and just finished the maintenance two months ago by the dealer. Before being towed to the dealer, I checked the engine oil, it is very clean, and the oil level was full.
Somebody tell me that same gls,same place MT Washington, at the beginning very similar, manually M1, M2, the wheel is over hot. But later he changed to automatically, he was fine. But I kept using the M1, M2, the engine was seized.
Maybe the pre-owner did not change the oil on time but only ran for 30000 miles; if he did not change oil, it was not as serious as seized. Maybe it is the design problem of the car.

Thanks, John, you help me a lot!
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Old Nov 7, 2021 | 09:21 AM
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Go to Carfax, my car's maintenance, register your car and look at all the service intervals. Should be telling. If you have missing services, there is a good chance it was not maintained properly and, in my opinion, should not have been a CPO.
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Old Nov 7, 2021 | 09:43 AM
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Thanks. After the dealer repair it, I would sell it out before the expired warranty。
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Old Nov 7, 2021 | 02:38 PM
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Are you saying you know of another GLS450 that had the same problem? I'm curious, because ours is off warranty. For now, I guess I'll forgo any hill climbs.

What do you mean by "the wheel was over hot"? I assumed you meant the brakes were hot from descending the mountain.
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Old Nov 8, 2021 | 08:47 AM
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Hi, John. Yes, same GLS450, downhill of Mt Washington, the only difference was he changed back to automatically at halfway and he was fine. Both of these two cars after about 10 minutes downhill at M2, we found the smell of burnt rubber. I checked the brakes, very hot, and even the wheel hub was hot and can not touch. The manager of the MT Washington Park also told me that he knew a GLS can not restart and after stopping for about 2 hours to cool down, and restarting successfully, but I am not lucky.
So I hope when you meet the situation like me, just change back to auto and use the brake, you will be fine.
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Old Nov 8, 2021 | 09:15 AM
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I wonder if the car is using the brakes behind the scene to keep the engine speed under control? Maybe it needs to be reprogrammed to apply and release instead of holding them on the whole time!

Still doesn't explain why the engine seized, though...
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