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  1. W245 B-Class
    B class 11-2007 w245 150 petrol manual. Recently I can hear a hissing noise inside the cabin when I turn the wheels only to right and only while in motion. Also that sound is only present and loud when the AC is on. Sound comes from the vents near the glass . Tho I’m not sure if it comes from...
  2. W211 E-Class
    Hi guys ! That’s my 2003 E-class W211 2.7 CDI and it makes a strange noise. On cold engine the sound is more noticeable but I can hear it even on warm engine.It has 5 new injectors,injector sealings,new water pump,5 new glow plugs,new turbine,EGR off,new oil and etc. Video : OM647 Noise Can...
  3. R172 SLK-Class
    Hello SLK drivers , First of all, please excuse my bad English, I sometimes work with a translator because I'm from Germany. I drive a 2012 SLK 250 CDI with 7g Tronic in fire opal and have a few questions regarding noises from the steering and the shifting behavior or the display of the rev...
  4. W210 E-Class
    Hi everyone, a few days ago my 1998 E320 started making a fast tapping/rattling noise coming from the front end. It feels like it appeared with hot weather (it's around 80°F). The noise seems much faster than the engine's revelations. The noise is present both when driving and when parked but...
  5. W167/V167/C167 GLE Class
    Hi guys, I had an issue for my 2020 GLE 350 for about a year and I really want to find out a solution to fix it. About a year ago, my car started to generate tapping nose when pushing the gas. The sound is more like coming from outside of the car and it only shows up while the car is...
  6. Unimog
    Hi all! Weird one today. We’ve been trying to track down a strange noise. We got a 1990 U1300l ambulance back. When we drive it for more than 30-40 minutes and it gets warmed up we get a terrible noise we cannot figure out! Things we’ve noticed that may help. It is the most noticeable when the...
  7. W204 C-Class
    2008 Mercedes C300 4MATIC Hello everyone, I am new here and thought I would give this a try. I have this humming/grinding type of noise while I’m driving (gets louder as speed increases) that I can’t seem to diagnose. Sound seems to come from middle/front of the car, not the rear. Thinking it...
  8. W220 S-Class
    Hey Guys, yesterday I used the manual shift mode in my S430. I didn't red line and I didn't drive too agressively. Just wanted to see how the car feels when I cruise in 2nd gear or 3rd gear and accelerate at various speeds. I didn't even go past 100km / 60mi. No burn outs or hard accelerations...
  9. W124 E,CE,D,TD Class
    My car has been making this rattling sound and I cannot seem to figure out what it is the car is a 1995 MB E320 estate and otherwise runs fine my car only makes this noise when accelerating from a stop or going uphill at very low speeds Video is of my car
  10. W212 E-Class
    I recently noticed blue/green residue on the engine which appears to be a coolant leak. Coolant level appears slightly down but not significantly. Car runs fine, engine temp has always been ok. Coincidentally the past while I have heard a bit of a rattle on 50% of the time on cold start-up...
  11. W164 M-Class
    Hello guys, I own a Mercedes ML 280 CDI from 2009 with 237000 km. For a few months, I've had this ?grinding? noise coming from underneath the car when accelerating hard. (not sure if this is the right term as English is not my first language). It happens at any speed if I floor it and it...
  12. R/C107 SL/SLC Class
    Just replaced the tie rods and had the alignment done and the 380SL is now driving perfectly. Which makes a "crunch" noise I get over speed bumps and when driving onto slightly steep driveways, sometimes around slow turns as well an unwelcome feature. It sounds like something...
  13. W211 E-Class
    Hey everyone, I recently took a test drive with a 2007 E350 sedan. The car was well maintained and well cared for on first viewing. During the test drive, I heard a buzzing/humming noise coming from the back of the car when going over 50km/h (~30mi/h). The sound doesn't get worse at higher...
  14. W204 C-Class
    Hey. This is my first Merc, been a GM guy my whole life and this car I bought sounds like a lifter has failed and is sticking on the left side. I’m a heavy diesel mechanic by trade but these are new to me. Can anyone direct me on where to buy the parts and any videos anyone has made of the...
  15. W126 S,SE,SEC,SEL,SD,SDL Class
    I have a sound that sounds like an old-fashioned dialtone, around 500Hz by my ear, coming intermittently (a few minutes on, then a few minutes off) from somewhere inside or behind the glovebox. About the same volume level as if someone living inside my glovebox had picked up an old-fashioned...
  16. W163 M-Class
    Hi all, I'm pretty sure I know the answer. But, figured I would ask anyways. Is this a sign the water pump has gone bad? First started hearing this noise last night coming home from work, when I'd be stopped for traffic lights. Today I popped the hood and was greeted with the sound you hear on...
  17. W205 C-Class
    Before I take it to my mechanic... I was wondering if anyone could tell me what this cricket/buzzing noise is when I push on the gas? When I let go of the gas pedal it quiets down... any ideas? Please help lol I have a 2016 C450.
  18. C219 CLS-Class
    Hello, I have a 2008 Cls550 with 207000 miles I wanted to know what could possibly cause a harsh grinding noise in the rear. when taking off from a stop. It will do it in 1st and 2nd and stop in third, I can’t recreate the sound on the hi way. I’ve replaced the engine mounts and the sound...
  19. R129 SL-Class
    Hello, I recently bought a '94 sl500 in decent shape. I am driving it around and I have started hearing a noise. Firstly, when I unlock a door and sit inside the car, the PSE pump in the right hand side of the trunk runs until it is shut off by the really (~15sec) Secondly, when I turn the car...
  20. C207/A207 E-Class Coupe & Cabriolet
    Hi Guys, I drive this car for a while and recently I heard a noise (like a grrrrrr...) coming from the front of the car (driver side) when the car brakes itself (Distronic), there's no noise when the braking is made through the pedal though. The car brakes fine in automatic mode but I'm worried...
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