Exhaust Flap Module
MBWorld God!
Joined: Dec 2019
Posts: 32,366
Likes: 6,323
You can order from the ASR website and then ship to mail forwarding service in Germany and/or Austria then have the mail forwarding service ship to your home. Only do this if it is cheaper though.
Newbie
Joined: Jun 2023
Posts: 9
Likes: 3
C43 Coupe
For those still thinking about getting an Exhaust Module... SST has them for sale as well SST flap control suitable for Mercedes C-Class C43/C63/C63S (sst-spezialsteuergeraete.de) I have one on my C43 and it works perfectly. I get a ton of people saying that my car "sounds great". Also, a side note when you have the PE exhaust in Sport+ the flaps are NOT fully open, they only fully open during full throttle, with these exhaust modules my flaps stay wide open all the time which make for a MUCH better cold start and all-around better sound when cruising. With the SST module you get 4 modes to choose from: You choose the appropriate mode yourself:
- Sport mode: Flap(s) permanently open with sporty and robust sound regardless of driving situation and vehicle settings
- Comfort mode: Flap(s) permanently closed with discreetly restrained sound regardless of driving situation and vehicle settings
- Serial mode: Control of the flap(s) as before in the series configuration, e.g. for service, etc.
- Freestyle mode: Flap(s) 50% open for individual sound and volume configuration
MBWorld God!
Joined: Dec 2019
Posts: 32,366
Likes: 6,323
For those still thinking about getting an Exhaust Module... SST has them for sale as well SST flap control suitable for Mercedes C-Class C43/C63/C63S (sst-spezialsteuergeraete.de) I have one on my C43 and it works perfectly. I get a ton of people saying that my car "sounds great". Also, a side note when you have the PE exhaust in Sport+ the flaps are NOT fully open, they only fully open during full throttle, with these exhaust modules my flaps stay wide open all the time which make for a MUCH better cold start and all-around better sound when cruising. With the SST module you get 4 modes to choose from: You choose the appropriate mode yourself:
- Sport mode: Flap(s) permanently open with sporty and robust sound regardless of driving situation and vehicle settings
- Comfort mode: Flap(s) permanently closed with discreetly restrained sound regardless of driving situation and vehicle settings
- Serial mode: Control of the flap(s) as before in the series configuration, e.g. for service, etc.
- Freestyle mode: Flap(s) 50% open for individual sound and volume configuration
So far there is ASR, CETE and Burger Motorsport Exhaust valve plugs. Now there is an additional of the one you recommend.
Newbie
Joined: Sep 2022
Posts: 13
Likes: 0
From: Toronto
2020 C43 Wagon
For those still thinking about getting an Exhaust Module... SST has them for sale as well SST flap control suitable for Mercedes C-Class C43/C63/C63S (sst-spezialsteuergeraete.de) I have one on my C43 and it works perfectly. I get a ton of people saying that my car "sounds great". Also, a side note when you have the PE exhaust in Sport+ the flaps are NOT fully open, they only fully open during full throttle, with these exhaust modules my flaps stay wide open all the time which make for a MUCH better cold start and all-around better sound when cruising. With the SST module you get 4 modes to choose from: You choose the appropriate mode yourself:
- Sport mode: Flap(s) permanently open with sporty and robust sound regardless of driving situation and vehicle settings
- Comfort mode: Flap(s) permanently closed with discreetly restrained sound regardless of driving situation and vehicle settings
- Serial mode: Control of the flap(s) as before in the series configuration, e.g. for service, etc.
- Freestyle mode: Flap(s) 50% open for individual sound and volume configuration
Newbie
Joined: Jul 2024
Posts: 10
Likes: 1
C43 AMG Coupe
I,m thinking about getting a ASR module, even if the increase in sound is not that noticeable in most scenarios according the general feedback.
From my understanding when stock, even in Sport+, the exhausts will be 70% at start and low RPM, until they open at 100% at full throttle.
With the ASR, they will be open 100% all the time. So this is mostly useful in the sense that you won't have to press the PE button all the time while switching modes.
From my understanding when stock, even in Sport+, the exhausts will be 70% at start and low RPM, until they open at 100% at full throttle.
With the ASR, they will be open 100% all the time. So this is mostly useful in the sense that you won't have to press the PE button all the time while switching modes.
Newbie
Joined: Jun 2023
Posts: 9
Likes: 3
C43 Coupe
I feel the exhaust flap module is DEFINITELY worth it! I only paid around $260USD for the SST branded one. Having the exhaust flaps FULLY open all the time especially on cold starts just makes the C43 sound SO much better! The "Pops and Bangs" are louder as well, and I get compliments all the time on how good it sounds. Except for the old lady at the grocery store that had to put her finders in her ears when I started it up next to her while she was loading her groceries in her trunk 
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MBWorld God!
Joined: Dec 2019
Posts: 32,366
Likes: 6,323
I feel the exhaust flap module is DEFINITELY worth it! I only paid around $260USD for the SST branded one. Having the exhaust flaps FULLY open all the time especially on cold starts just makes the C43 sound SO much better! The "Pops and Bangs" are louder as well, and I get compliments all the time on how good it sounds. Except for the old lady at the grocery store that had to put her finders in her ears when I started it up next to her while she was loading her groceries in her trunk
Newbie
Joined: Jul 2024
Posts: 10
Likes: 1
C43 AMG Coupe
Guys, now you're tempting me! 
So that would be that one for a C43 2019, right?
https://europerformance.com.au/shop/...fic-cable-set/
So that would be that one for a C43 2019, right?
https://europerformance.com.au/shop/...fic-cable-set/
MBWorld God!
Joined: Dec 2019
Posts: 32,366
Likes: 6,323
Guys, now you're tempting me!
So that would be that one for a C43 2019, right?
https://europerformance.com.au/shop/...fic-cable-set/
So that would be that one for a C43 2019, right?
https://europerformance.com.au/shop/...fic-cable-set/
