this.

How do you figure that? Did you get any codes? Or just based on service interval?

If you are in US, I do not know if this car does not qualify for lemon law what will?

Even if the CEL went away, it is saved. If I were you, I would get started with the return process. Can't imagine how someone in Canada for example will deal with this.

Have all fuel injectors checked or replaced,
If you want to keep the car.

BTW for those wondering about spark plugs, I checked with my SA and a friend who is a MB tech at a different dealership and there is no new spark plugs being used on 2019+ C63s.
It's the same Bosch double Iridium 7434 plugs.

Nah. No codes, 18K miles. Occasional misfire at idle, and not trapping as high as it should be. Replaced with OEM and all good.

You have a lot of patience. Also recommend lemoning the car, you need to get MBUSA involved.

You have enough documentation for a good solid lemon law case in just about any state in the U.S. Obviously I'm biased but I think you should cut your losses now. Even with a lease, how much is this costing you in time? You've also been paying C63S money to be in much lower end loaner cars.

At the end of it all it's your choice but I can't see any reason for you to keep putting up with this car.

Yep. I completely lost my faith to this car. I filled up with different gas brand earlier and on my way back home during rush hours (literally 30 min ago), tried gently overtaking a old-n-slow car (obviously with higher boost) in comfort mode and got the worst misfire this time and of course lost power and shaking while driving followed by flashing engine light to a solid CEL; came to a stop and restarted the car, CEL remains solid.

Will drop off the car tomorrow.

For those who thought I was crazy, I've already initiated the lemon process after a month period with a hope of getting compensated for that month but I think I no longer want to keep the car with this issue. I thought this would be a reliable performance car that I could eventually take it to Laguna Seca but didn't get lucky

Let's see how long this lemon process will take. If I get a good compensation from MB, I may shoot for the 4 door GT 63 if not another c63s built with European Delivery...

Seriously man LOL
I'e initiated the lemon process long time ago but wasn't sure if I'm going to keep the car or not but now I'm certain... car must go

Sorry man. Sucks that the car continues to have issues. Makes you wonder what they actually did. I suppose besides lemon it, another option would be to push for a brand new engine. Something is obviously badly wrong with yours. If you do consider European Delivery, I would advise against leasing. You gonna end up paying for at least 3 months while not having access to your car. First payment is due 30 days before taking delivery and then it takes at least 2 months before you are reunited with it here at the West Coast. I'm in week 9 since drop off and my car is still at the VPC in LA. Worst case it's another 2 weeks until I get it.

Hey @superswiss, you're right! btw, I was almost going to ask you if your car was delivered so we can do a car meet (before my last missfire) lol

Since I have other cars to drive, the way I look at European Delivery lease is that I get to drive the 30-40k miles in my lease period anyway. It's like you're saving your miles for later times.

Also, since I lease under business, it makes it easier for me to expense the car

I'm also planning a Europe trip anyways, might as well experience the journey once in life

Yeah, if you are planning a trip anyway, then you might as well. Definitely a great experience. This one wasn't meant to be I guess.

Well, a different gas station helped me lol... "fingers crossed"

You can try to get MBUSA to buy back the car without involving your lawyer. I'd recommend putting the original wheels on the car before dropping it off at the dealership because with the buyback and lemon there's an inspector coming to see the car at some point. Not that they should deny your claim based on the aftermarket wheels, but better be safe here.

With ED you might only "lose" 1 month of payments because MBFS gives you 1 month free, also your dealer can start your lease on the day of an actual pick up in Germany and not when you sign the lease 30 days in advance. If you need a good ED specialist I can you give you a contact info.

I was advised to do that at first (go with MBUSA directly) and my dealership was willing to help as well. I was also advised to hire a lawyer for different options and better compensation. So will see how that goes.

I almost wanted to swap the wheels but totally forgot. I was told wheel should not be a problem with inspection process.

There she goes back to the dealer AGAIN

Btw, I forgot to mention. I had lots of pops and crackles this time and was really enjoying the car...

Go figure .. right when youre going though all of this , the car starts to pop an crackle .. are you saying it was docile till 2900 miles ? I just turned 160 miles on mine so I guess I have few miles to go to
get these great pops I had on my 2017 one ...So with your picture posted as you re dropping it off at the dealer , are you dropping it off for further diagnosis or lemoning the car ? Your car is a beauty , I hope they make it up to you and then some . Just picked up mine yesterday after Xpel Ultimate clear bra

Nice ride @maxwerks ! I have no choice to drop off the car when I have misfire issue and until things get sorted out, I'm still liable for the vehicle and (pay for insurance, and make sure it's physically not abused). Once MB gets back to my lawyers with an option, I'll let the car go and start looking into another one. Both my wife and I were really interested in the new GTR green hell today and we'll see if we can get one of those custom built instead. We're hoping that payments won't be an issue for that beast lol ; otherwise either another (same built) c63s or GT63s Euro Delivery.

I hit 160 day barrier today since I took delivery of the car. I had the car under my possession for exactly 80 days and dealer had it for 80 days as well....

I received a call from the service dept last Friday saying that the car is ready to be picked up (10:30a to be specific), I go for it and make it to the dealership around 11:50a and saw my car taking off from the dealership; I thought this was part of the test to make sure there are no issues with the car. Since I've missed how the car looked, I go ahead and follow my car with dealer provided loaner and noticed 2 people in the car. They drove the car on freeway for about 10-15 miles and on their ay back to the dealership (2-3 lights before the dealership), I pass the car just so they don't feel like I'm following them and noticed they pulled into a shopping center near a gas station which made me think they're going to refuel the car and I continue driving back to the dealership to return the loaner. I noticed (on Mercedes Me app.) the car was turned off and locked in the shopping center. I let the GM know about this and he said this is not supposed to happen and therefore he goes after the car and techs who drove the car. I waited about 45 minutes and it seemed like techs took the car out for their lunch break; once GM returns, he mentioned that the car is not even ready to be released while there's an open case with MBUSA an that I had received the call by mistake.

I wasted 2 hours that day and completely lost my faith towards the car and the whole experience I had with the brand and service department. I also noticed the car was switched ON and driven away from the virtual location.

How would you handle the situation? I wonder if anyone had such bad or worst experience like me

Reading through this thread I don't know how you are able to keep calm through all this, I'm getting very frustrated and angry for you, especially that they have taken your car out for a joy ride on their lunch break. So what did the GM say about them taking your car out?

At this point I think you’re letting them treat you poorly. I don’t mean to be rude with my statement but you should move on from this car.

In regards to the techs and the joy ride, that seems to be a losing battle. The techs at my dealership took mine for a sprint over 85mph while “test driving” my car with a random shut off issue.

The real question is what do you want out of all this? Do you still want this car or not? Seems like it’s time to make a choice and then execute.

Good of luck no matter what, you seem like a nice guy and you’ve suffered through this long enough.

that is ridiculous. Dump the car and move on!

I have a very good relationship with the GM and I'm sure they'll make it up to my next purchase but not sure what will happen to their staff as I don't think they'll disclose any internal issues with their customers; but I took screenshots of the place my car was parked and documented everything to make my case even stronger.
Agreed! As I mentioned, I'm very disappointed with the whole situation and absolutely have no desire to keep the car after seeing car driven around multiple times without my authorization and I don't think I'll trust to take my next car for service to this specific dealership after seeing all this. I'll definitely purchase my next car from there but nothing to do with service dept...

Yes, as I've mentioned earlier, I've started the Lemon process a while back and until then, I'll have to deal with whatever the outcome is until the car is officially a "Lemonade"

Time to get the new 992!