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Advice: Buying a 2021 C63 AMG S

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Old May 7, 2025 | 04:05 PM
  #76  
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Okay, big update here. I asked the Nashville dealer to send me photos of the paint underneath bumper to see if there is damage from bottoming out, etc. It was pretty torn up! There was all a large stain on the driver seat that looked like sunscreen. They said it won’t come out. They are going to refund my deposit. Bummer.

there are no other CPO sedans out there right now that have what I want

there is a 2021 at a Toyota dealer in NC. It has a rentech badge. Dealer says it has a “state 1 RENNtech exhaust. What is that?. Here are photos

this has 15k miles and does have Drivers Assistance Package


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Old May 7, 2025 | 04:07 PM
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Old May 7, 2025 | 04:29 PM
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Old May 7, 2025 | 04:42 PM
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Originally Posted by jsloan01
It has a rentech badge. Dealer says it has a “state 1 RENNtech exhaust. What is that?. Here are photos
That's a bit nonsensical. The exhaust looks stock as far as I can tell, and Stage 1 (not State 1) generally refers to an engine tune. Stage 1 is a software tune, remapping the ECU to produce more power w/o making hardware changes to the engine. Stage 2 is the next level building on Stage 1 by making hardware changes such as upgrading intake, turbo or exhaust system to further increase power.

The thing to consider with tunes is that it voids the powertrain warranty. A tuned car can't be CPO'd, which is probably why it's at a Toyota dealership. Extended warranties would also not cover powertrain repairs on a tuned car. Many folks who tune their cars will flash it back to stock before bringing it in for potential warranty work, but once it's discovered that the car is tuned it will be on the car's record. The other thing with tunes is that it taps into reserves that manufacturers build into their design to ensure reliability and longevity. There's no free lunch. A tuned car will likely not be as reliable in the long run as a stock car. It's just how it goes. Operating the powertrain out of the factory spec will ultimately shorten its lifespan.
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Old May 7, 2025 | 04:43 PM
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Originally Posted by jsloan01
Okay, big update here. I asked the Nashville dealer to send me photos of the paint underneath bumper to see if there is damage from bottoming out, etc. It was pretty torn up! There was all a large stain on the driver seat that looked like sunscreen. They said it won’t come out. They are going to refund my deposit. Bummer.

there are no other CPO sedans out there right now that have what I want

there is a 2021 at a Toyota dealer in NC. It has a rentech badge. Dealer says it has a “state 1 RENNtech exhaust. What is that?. Here are photos

this has 15k miles and does have Drivers Assistance Package
Welp, that stinks but um didn't you say you weren't happy that you were missing out on a 2023 C 63 S coupe? If so, I guess get that one instead? Or do you just want to go back to a C 43?
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Old May 7, 2025 | 04:44 PM
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I do not recommend buying a tuned car at all you never know what it went through as it has been operating outside of factory parameters, they might had driven like they stole it. Skip it.
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Old May 7, 2025 | 04:47 PM
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Was it the final edition that you were looking at?

Last edited by W205C43PFL; May 7, 2025 at 04:49 PM.
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Old May 7, 2025 | 04:55 PM
  #83  
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Originally Posted by W205C43PFL
Was it the final edition that you were looking at?
there is a Final Edition coupe in Cleveland - which is actually convenient for family - with 3k. Dealer is asking $114k, which sounds insane
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Old May 7, 2025 | 04:59 PM
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Originally Posted by jsloan01
there is a Final Edition coupe in Cleveland - which is actually convenient for family - with 3k. Dealer is asking $114k, which sounds insane
Yes, the final edition was overpriced to begin with. There's nothing special about it other than some decals. Some people have claimed the exhaust pops more, but that's not really fully confirmed. Otherwise it's a loaded coupe with options that were available otherwise. There are non final edition '23 models as well. It was the final year and only a short production run, though. There were no custom orders for '23 as far as I remember, MB just built them the way they felt and what parts were available and then shipped them to dealerships for their inventory.

To be honest, I personally would stay away from the pandemic years cars. Some of them are missing stuff due to parts shortages at the time such as the chip shortage and the quality has suffered as MB was forced to find alternate suppliers and the factories were short staffed.

Last edited by superswiss; May 7, 2025 at 05:01 PM.
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Old May 7, 2025 | 05:25 PM
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Really not sure what to recommend OP to get now : (
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Old May 7, 2025 | 05:25 PM
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Originally Posted by superswiss
Yes, the final edition was overpriced to begin with. There's nothing special about it other than some decals. Some people have claimed the exhaust pops more, but that's not really fully confirmed. Otherwise it's a loaded coupe with options that were available otherwise. There are non final edition '23 models as well. It was the final year and only a short production run, though. There were no custom orders for '23 as far as I remember, MB just built them the way they felt and what parts were available and then shipped them to dealerships for their inventory.

To be honest, I personally would stay away from the pandemic years cars. Some of them are missing stuff due to parts shortages at the time such as the chip shortage and the quality has suffered as MB was forced to find alternate suppliers and the factories were short staffed.
What do you consider a pandemic era car? Anything manufactured b/n March 2020 and (around) December 2021? The supply constraints were largely solved by mid-2022.

This vehicle in Cleveland has had its decals removed, which I think was the right move. Those looked tacky as hell (in my opinion)

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Old May 7, 2025 | 05:27 PM
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Thank you for all the help and advice through this unexpected saga. I was excited about this purchase, but it has been more difficult to find a well cared for C63 (and C43 - looking there too) with the right equipment. Really appreciate your wealth of knowledge and time
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Old May 7, 2025 | 05:30 PM
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Originally Posted by jsloan01
there is a Final Edition coupe in Cleveland - which is actually convenient for family - with 3k. Dealer is asking $114k, which sounds insane
here it is. No decals. This is more than I want to spend. And I really would prefer a 4 door. That said, I like the C interior and want a car with BUTTONS. I loathe the single screen concept in new MBs

http://atcm.co/S2PVDP/2C8D312B.
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Old May 7, 2025 | 05:31 PM
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Originally Posted by jsloan01
What do you consider a pandemic era car? Anything manufactured b/n March 2020 and (around) December 2021? The supply constraints were largely solved by mid-2022.

This vehicle in Cleveland has had its decals removed, which I think was the right move. Those looked tacky as hell (in my opinion)
I would definitely say '20, '21 and '22. '23 is borderline. If I remember correctly there were still some part shortages. Request the original window sticker. Any omissions should be listed on there as credits.
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Old May 7, 2025 | 05:36 PM
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Originally Posted by jsloan01
here it is. No decals. This is more than I want to spend. And I really would prefer a 4 door. That said, I like the C interior and want a car with BUTTONS. I loathe the single screen concept in new MBs

http://atcm.co/S2PVDP/2C8D312B.
Yeah, I wouldn't pay that either. That's more than my practically fully loaded '19 cost brand new with the same interior, although different gloss black metallic exterior. I don't like the wheels they put on the final edition, either.



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Old May 7, 2025 | 05:37 PM
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Originally Posted by jaydp
@jsloan01 i might be late here as it seems you moved forward with the car, but should not matter, enjoy your car if you got it and congrats.

1) drivers assistance package - an absolute must have imo. I live in LA and rarely use it for its autonomous features, but when I do it’s a huge pleasure and convenience. The value I see every time I drive are the safety features that prevent the car from getting into accidents (your blunder or not) which comes with the package. Besides its utility for the driver, the package significantly modernizes the car and resale value is that much better. When I was shopping cars without the package and brought it up, every salesman’s face showed weakness. They know people want the package and you definitely can leverage concessions if the car is without it. Basically a loaded c63 is future proof.

2) don’t fall in love too much with CPO status. Dealers have to pay Mercedes thousands to CPO the car. Basically CPO means if a car has a clean history and is not cosmetically beat, the dealer will take the risk and make the investment to CPO the car so they can sell it for much more. They also get the returns on when you do come in for warranty work, they can sell you on wear and tear items so they create a higher LTV from you as a customer. Mercedes takes the risk of paying for warranty repairs, but that is offset on the money they made from the dealer as well as the event that nothing goes wrong. Though I’ll say the marketing behind the CPO is strong. Whether it’s superficial or not, it effectively creates “peace of mind” which alone can make a buyer buy despite any other shortcoming, like a missing option, and especially on cars like amgs where forums are littered with fear and problems lol.

3) known concerns - law of attraction. Talk about and look for problems and you’ll certainly find them. Enjoy your car and life in good health my brother!
This was a really kind and thoughtful note. I appreciate your advice and how to frame this. It has been a while since I tapped into the psychology of buying a used car. MB of Laguna has a 2-door 2021 C63 that I may consider. Thank you again!
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Old May 7, 2025 | 05:59 PM
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Originally Posted by superswiss
Yeah, I wouldn't pay that either. That's more than my practically fully loaded '19 cost brand new with the same interior, although different gloss black metallic exterior. I don't like the wheels they put on the final edition, either.



stunning. Ray Catena in NJ - which is a huge MB dealer - has a final edition with 4k miles - for $94k.

more than I want to spend but it’s CPO and ray catena is a reputable dealer in the nyc tri state area. I do hate the decals, however
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Old May 7, 2025 | 07:32 PM
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Originally Posted by jsloan01
Okay, big update here. I asked the Nashville dealer to send me photos of the paint underneath bumper to see if there is damage from bottoming out, etc. It was pretty torn up! There was all a large stain on the driver seat that looked like sunscreen. They said it won’t come out. They are going to refund my deposit. Bummer.

there are no other CPO sedans out there right now that have what I want

there is a 2021 at a Toyota dealer in NC. It has a rentech badge. Dealer says it has a “state 1 RENNtech exhaust. What is that?. Here are photos

this has 15k miles and does have Drivers Assistance Package

Maybe forget the C63 and get a used GT63S.
Beautiful 4 doors with a coupe shape.
They’re getting pretty cheap nowadays.
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Old May 7, 2025 | 07:38 PM
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Originally Posted by mbny1234
Maybe forget the C63 and get a used GT63S.
Beautiful 4 doors with a coupe shape.
They’re getting pretty cheap nowadays.
The E 63 S is pretty nice as well for cheaper : )
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Old May 7, 2025 | 09:42 PM
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Originally Posted by W205C43PFL
The E 63 S is pretty nice as well for cheaper : )
Looks like 2020 was the last year for the E before the change over. E strikes me as too big of a car, but it is something to consider.

There is something special about a W204 C 63 to me!

EDIT: meant w205

Last edited by jsloan01; May 7, 2025 at 11:38 PM.
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Old May 7, 2025 | 10:28 PM
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Originally Posted by jsloan01
Looks like 2020 was the last year for the E before the change over. E strikes me as too big of a car, but it is something to consider.

There is something special about a W204 C 63 to me!
Can't beat NA.

Change over? I got confused, you don't like the facelift?
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Old May 7, 2025 | 10:31 PM
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Originally Posted by mbny1234
Maybe forget the C63 and get a used GT63S.
Beautiful 4 doors with a coupe shape.
They’re getting pretty cheap nowadays.
I echo that. Sedans in this segment don't really offer enough legroom for adults in the rear, unless the people in the front are short. At 5'11" I always have to move my seat forward for an adult to somewhat comfortably fit behind me. Really mainly ideal for small children, but even with a rear facing child seat the front seat has to be forward quite a bit.
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Old May 7, 2025 | 11:39 PM
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Originally Posted by W205C43PFL
Can't beat NA.

Change over? I got confused, you don't like the facelift?
fat finger error!
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Old May 8, 2025 | 01:01 PM
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These are the photos that gave me pause on the C63 in Nashville (with 33k miles). In the first photo, there appears to a bolt missing and a washer to another bolt missing, suggesting this bumper was pulled off for one reason or another. The second photo is the other side of the front bumper, which looks normal (although it also has a lot of scraping damage). The MB dealer represented no body work had been done to the car.

What do you guys think? Perhaps I am being overly picky, but I am hunting for a well cared for car and this discovery deterred me. It’s also challenging to do this kind of diligence on a used car remotely


Last edited by jsloan01; May 8, 2025 at 01:02 PM.
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Old May 8, 2025 | 01:09 PM
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listen, a bumper can be pulled off for non-accident related reasons as well. if the price is right, who cares. do a PPI if you're that concerned. body work is one thing, id be less concerned about that and more concerned about mechanicals. but if they're asking top dollar, id pass

do a PPI
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