C450/C43 AMG
Sponsored by:
Sponsored by:

2018 C43 Blow off valve sounds

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Aug 4, 2024 | 10:13 PM
  #1  
C43Insane_XXX's Avatar
Thread Starter
Junior Member
5 Year Member
Photogenic
Liked
Loved
 
Joined: Jul 2020
Posts: 67
Likes: 5
2018 C43/ 2016 C450(RIP)
2018 C43 Blow off valve sounds

So a little history. The car blew a plastic connector on the coolant line 2 weeks ago. Never got a check engine, light lucky I noticed it in the garage. Floor wet as hell.

Fast forward I had my local Benz shop do the installation of the new coolant line.. It was all brittle plastic. Got this car used 2 yrs ago with 64,000 miles. Now I'm at 72500.

So the mechanic calls and asks if I had after market blow off valves after the work was done. I said no. I wish I did. But since then I noticed what he's hearing. It literally sounds like I have after market BOVs. It was never this loud before.

Attached is a clip of audio as the 30sec mark you can hear how load and long it holds on. If it were after market fine, but it was never this loud. Hearing it in the clip it sounds normalish. What you guys think ? No check engine lights .. minimal codes off OBD

I attached photos of my scanner tool live data on the boost pressure. All I see off is injectors and cam timings. I have Eurocharge stage 1 since Oct 2023








​​​​​​
Attached Files
File Type: mp3
Merc 1.mp3 (1.52 MB, 24 views)
Reply

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -4. The time now is 06:29 AM.

story-0
7 Craziest Things AMG Gas Ever Built

Slideshow: Sometimes AMG builds fast sedans. Other times, it builds twin-turbo V12 land missiles and six-wheeled off-road monsters.

By Verdad Gallardo | 2026-05-26 17:59:58


VIEW MORE
story-1
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

Slideshow: Mercedes-AMG's new electric GT 4-Door Coupe trades combustion for software, synthetic noise, and more than 1,100 horsepower.

By Verdad Gallardo | 2026-05-20 20:08:15


VIEW MORE
story-2
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-3
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-4
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-5
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-6
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-7
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-8
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-9
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE