PFEAMG

We’ve all read about and/or experienced some of the changes made on the 2019 c43 facelift car. But according to MB there are 6500 different parts on this new version compared to the previous model.

I realize there is a difference between parts and features but still...I’m aware of about 12 lol. Anybody ever see a list of all these new parts?

MarcusDubya77

No, but I wouldn't doubt them counting bolt and washers as 2 separate parts or even push pins as 2 parts...Hahahaha

PFEAMG

lol exactly! I’m sure there’s some (a lot) of that in that 6500. I was just curious what might be some of the other items such as suspension, electrical, rigidity/stiffening, steering, exhaust parts etc. that are different is this model.

But I guess at at the end of the day it doesn’t really matter as long as it’s a great car. We don’t need to know how the sausage is made haha!

Malar

The Quality is a lot higher than the pre-facelift C43.
In the pre-facelift you had a rattling Dash, rattling doors, rattling speakers, squeking Seats etc. after 6 months.

The C43 seems stiffer, higher-quality while inside

waisoserious

Theres 4 new parts.

1. Dash instrument cluster
2. Left Exhaust Tips
3. Right Exhaust Tips
4. Rear Diffusser


Everything else is the same (even the turbos...yes...come @ me bro)

PFEAMG

lol, well they could be...here is what I thought was new, (but regardless pretty small list out of the 6500 parts):

grill (at least new to the c43)
front bumper
headlights
rear bumper
rear diffuser
tail lights
exhaust tips
digital gauge cluster
larger infotainment screen
steering wheel
new wheels
larger turbos (increased horsepower)

Malar

Mercedes states in Germany that the MOPF changes like this:
70% of the Powertrain is different
50% of the Interior is different
5% of the Chassis is different
40% of the exterior is different
80% of the electronics is different.

Of course this won't be the absolute numbers for the C43 because he's for example missing the 48V System in the C200 that made a more dramatic change from the pre-facelift.
But you get the direction, a lot got changed under the hood.

PFEAMG

Thanks for the insight Malar...and sorry to hear if that was your experience with your pre-facelift car. That should not be occurring on a car costing this much or any MB really. Did you own both a pre and a facelift car?

PFEAMG

Thanks for that...I have not seen that info/breakdown anywhere in my research (I'm sure I'm looking in the wrong places haha). Very interesting...thx

Malar

As a Source: (Minute 59:30 around there)
You can see the Display shown by Mercedes at the Event where the journalists could testdrive the Facelift before it came out.

I haven't owned a pre-facelift, two of my best friends had a C63s Sedan and Coupé, both experiencing this.

PFEAMG

Thanks, I may have seen that video pop up before, but unfortunately I don't speak German so probably past on it previously.

MarcusDubya77

Is this confirmed? I have yet to see anything backing this.

AhEmGee

The turbos are different- larger ones as used in the E43 version of the M276, running higher boost @ 1.1 bar.

waisoserious

Its been discussed extensively on this forum and in the JB4 WhatsApp chat group.

Many a feeling were hurt in the process. Friendships were destroyed and chatrooms were abandoned.

The topic seems to pop-up every few weeks.

Basically, its highly unlikely that it has different turbos.

Even using Benz own marketing material and numbers, the math doesnt add up.

PFEAMG

What is increasing the horsepower? An ECU change?

waisoserious

Pretty much.

waisoserious

Facts:
- 1.1bar = 16psi. https://www.google.com/search?q=1.1b...hrome&ie=UTF-8
- The stock boost in 2016-2018 C450/C43 was 12psi.
- 16psi on the "small" turbos made about 410-430 bhp. Realistically closer to 430bhp. This is known since most piggybacks add 4-5psi above stock boost in the most aggressive map on 93octane. It was disclosed the JB1 added 4-5 PSI on Map2. Which Dynos about 370. Racechip also dyno'd (1 dyno) at 370.
- These 16psi C43s typically did 60 in well under 4secs. 3.9 on the high end on dragy. 3.6/7 on the low end also on dragy
- E43 and C43's seem to have the same tuning ceiling according to tuners. The only evidence that suggest otherwise is Racechip and others that use their rebranded Piggyback designs.

Deduction:
- 16psi on larger turbos or turbo (since it was previously believed the E43 only had 1 larger turbo, not 2). Should be achieving much greater than 390bhp.

It was discussed that perhaps the OPF greatly negatively affected its power output. But you can decide whether or not a particle filter reduces the M276 by 40bhp or 50bhp or not. 40bhp if you believe its 1.1bar on "Small" turbos or 50bhp if you believe its 1.1bar on "larger" turbos.

In the end its believed that the 2019 has extra boost above "small" turbos by 1-2psi above 2016-2018 models.

Thats what some of us believe anyways. Nobody will know for sure until somebody disassembles 1 and puts them side by side.

MarcusDubya77

My assumptions are that the internals changed to create a "larger" turbo. Definitely look forward to the day someone cracks a set open.

waisoserious

Actually somebody said that before in the whatsapp group. I had a very big problem with it....

Because having a bigger shell/case gives more surface area for heat dissipation. It will also resist cracking once the case heats up.

The only reason this method is used by the aftermarket is to 1. Preserve the stock look 2. Space constraints since our turbos are beneath the engine and there simply isn’t much room 3. It’s cheaper to bore out the casing and fit a larger turbine/impeller than buying completely new larger turbo.

If the engineers were going to design an engine to have a larger turbo, they would simple just design the space for a larger turbo as well. They won’t try to fit a larger turbo heart inside a smaller case.

literally nobody would do that.

MarcusDubya77

Using a common frame for a turbo with ability to swap impeller wheels, wastegates, etc. is actually pretty normal. I do not see any benefit for Mercedes to blatantly lie about something like turbo sizes. Especially since owners would line up with lawsuits is that came to light. That would be an easy win for some lawyer. Might be good to get back on to the OPs question. There are already several threads (still left unanswered) regarding this matter.

waisoserious

Nobody would sue anybody and even if they did nothing would come out of it.

it still makes the hp they said it makes and goes as fast as they said it goes

MarcusDubya77

Agree to disagree. Back on topic.

PFEAMG

Well putting the turbo aside (and all of the turbo quandaries aside hahaha), that still leaves a pretty impressive list of items that are "new" on the facelifted car. However maybe as one example Malar posted above, 70% of the powertrain is apparently different but those changes/parts are weighted against the entire line of C class cars which has many different engines and even varies from country to country (diesels etc). So not an untruth per se, but maybe a little marketing magic sprinkled in that "6500" number as well.

That being said, I would still think with 6500 items we would've seen more in terms of other features and or changes all over the car. Was thinking maybe someone on here had an "in" with MB that might have had some first hand knowledge of exactly what the changes were.

Oh well...as MarcusDubya77 and waisoserious mentioned we may never really know until someone starts working on these facelifted cars...just as long as it's not mine LOL!

Thanks for the comments/insight everyone.

Cheers!

AhEmGee

Why did some people believe the E43 only had 1 larger turbo when it's a twin parallel ( not sequential) turbocharged layout.
Ie There's one turbo driven separately by each bank of 3 cylinders.
There isn't a parallel turbo engine with asymmetric turbos, that would be ridiculous.

SilverBullet18

just my 2 cents

new steering wheel
new airbag
new mesh front grill
new grill double bar "blade" (what holds the emblem)
new rear diffuser
new left exhaust outlet
new right exhaust outlet
new front bumper
bumper grills (x3)
new wheels (front and back are different sizes so each is a new "part"
new steering wheel controls (left)
new steering wheel controls (right)
new front headlights (each is a "part")
new rear taillights (each is a "part")

those in of themselves are 19 new parts.