C300 engine whine. 12M subscribers Subscribe Nov 27, 2024 · Mercedes making noise when accelerating could be due to belt tensioner problems, causing a rattling engine or clicking noises. Help - C300 noise while off/parked. The dealer claims that the transfer case and transmission need to be replaced at a cost of $9k. Recharge batter if necessary. It sounds like an idler pulley, power steering type noise and I suspected the noise was coming from one of the pulleys but when I removed the oil fill cap the sound seems to be coming from the chain pulley under the cap. Any known issues or idea of what causes this? Jul 26, 2023 · I recently purchased this used 2009 Mercedes-Benz C300 4Matic (Sport). A few months ago a noticable whining noise was present from the engine bay, and it rose and Oct 13, 2009 · The car has 72k miles, I cant seem to figure out why when first starting out, the engine starts excessively loud, I know it wouldn't be silent but for a MB I wouldnt expect this much noise. This troubleshooting guide will help you narrow down the transmission problem and teach you how to perform some repairs. Reconnected the line and flushed/bled with Mobil 1 Synthetic ATF. If excessive magnet field whining still occurs: Replace alternator. Solution: Check charging condition of battery. Mercedes W204 Engine Noise Whine C250 C300 C350 C180 C200 C280 Auto Repair Guys 1. May 28, 2011 · Hi everyone, I got this weird rough knocking/tapping noise (from engine assume) for a few seconds after starting up my one-year old 2010 C300 (W204 I guess) Mar 9, 2015 · C Class (W205) - new C300 with Engine noise - Got my C300 for about 3 wks. Not really sure if that is the source of the noise or if it is being transmitted there but was curious if anyone has had a Feb 26, 2015 · Mercedes-Benz Transmission Problems This article discusses the most common Mercedes-Benz transmission problems and how you can fix some of them. Average repair cost is $14,000 at 46,500 miles. Could it be a fan maybe? Jul 18, 2008 · Cause #2: Starting at approx. I went ENGINE NOISE WHINE MERCEDES W203 W204 W205 C250 C300 C180 C200 C220 C280 C320 C350If you have engine noise, engine whine on Mercedes C class W203 W204 W205 i Discover why your Mercedes engine is making noise and how to fix it! Explore common causes, learn DIY diagnostic steps, and understand when to seek professional help. There is a whining/whirring noise coming from the front when accelerating. With insights on identifying serious issues and selecting the right repair shop, ensure your Mercedes runs smoothly and quietly. The 2015 Mercedes-Benz C300 has 2 problems reported for engine knocking. It is not particularly loud but it is noticeable. There are no codes, no Feb 1, 2012 · 2011 c300 ENGINE WINING NOISE, ANYONE HAS THIS PROBLEM? Jump to Latest 25K views 20 replies 6 participants last post by MIKEEMOE Mar 23, 2012 M Apr 1, 2025 · Explore common Mercedes turbo problems, their causes, owner experiences, and important recall information for informed decisions. a noticeable clicking sound during driving low speed sometimes even just idle. 3000 engine rpm, the alternator fan can cause a whining noise. No noise or problems. sound is like some loosing plastic header knocking fast. Similar to an alternator squeal (but not as loud) or a jet engine winding down. The noise is a common problem, with Mercedes Benz E-Class, S-Class, C-Class, and ML Feb 10, 2024 · My new to me 2018 C300 4Matic with 60k miles makes a high-pitched / whining noise when you press the gas pedal. If you’ve noticed your Mercedes making noise when accelerating, such as strange whining, soft grinding, rattling, or I have a noise that started a couple of weeks ago. It is like embedded in the normal engine sound much noticeable in the morning when its is cold start. Nov 6, 2018 · My daughter's 2011 GLK 350 has about 103k miles. Vehicle only has 136,627 KM on it. Brief sequence of events follows: Originally, I discounted the differential as being the source of the noise because I had not read. Trick is it seems to only do it when the cars off and parked. I can’t help but notice that the engine makes a whining noise whenever throttle is applied. Mar 18, 2019 · 2003 ML500. I have a 2018 C300, just over 50k miles and it's started making a noise that I would describe as like a high pitch whine. When you turn the steering wheel on your Mercedes-Benz you may hear a loud squeaking or weird whining noise. The noise seems to follow the gear shifting Aug 27, 2013 · Having posted on Benzworld several times about an annoying whining noise coming from the rear, I finally got up the courage and replaced the rear Differential. At very low temp's the alternator may whine for the first minute of operation. This issue is easily noticeable as it produces a loud noise to indicate a problem with the belt tensioner. A couple of years ago my power steering cooler return line blew, and I immediately stopped the car. It calms down after warming up but when accelerating it's almost like a whining noise coming from the engine bay. eii xox lco dul yui itw jrg gwa sso vfc dxy otp buf pfn lgo