Mercedes benz whining noise

07.03.2021

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mercedes benz whining noise

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Hottest Questions. Previously Viewed. Unanswered Questions. What is the engine whining noise on Mercedes CL? Wiki User Hard to tell without hearing it.

With engine running, open the hood and try to determine the area where the noise is coming from then repost info. Related Questions Asked in Mercedes-Benz Why does the engine of my Mercedes E produce a whining noise - even with the auxiliary belt removed? It could also be your transmission or brake fluid. So you should get that checked out.

Asked in Car Sounds, Eagle Talon, Ford Explorer XLS 93 eagle talon awd turbo standard while engine running seems to have a whining noise have changed the head new belts and gaskets the whining noise is still there but noise is still there? Its could be the turbo your hearing The noise is due to bad gears or bearings in your rear differential.

Asked in Car Sounds Have a whining noise near belts was making a knocking sound before and had pulley's adjusted whining noise stops when you turn and hold steering wheel what could this be? Whining noise near belts had pulleys adjusted any idea what is causing this. Asked in Dodge Stratus There is a whining noise coming from driver side of a 97 Stratus engine and its not the power steering what else could it be?

It may be the Idler pulley. I used to have a 96 Breeze with a 2. I thought something might be seriously wrong, but then i discovered it was just the Idler pulley making noise.

I changed it-- no more noise.

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Gas Lid not tight is the reason my eng. Light keeps coming on. Asked in Car Sounds When engine is cold you hear a whining noise when turning the steering wheel? A whining noise in the transmission is usually an indication the transmission fluid is low.

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Check the transmission fluid and fill it to the recommended level. Mine has done this twice, both times it was the pulleys in the front of the engine.

mercedes benz whining noise

It could also be the belts.Log in or Sign up. Mercedes-Benz Owners' Forums. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

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I own a ml I have discovered a whine noise that occurs as i accelerate There is no noise on idle but only when the car is under acceleration. In the cruise the noise is not present Car has done 67k. I have only owed for about 6months It it possible that i need to change the transmission fluid Serv book does not show it having been done StornowayMercFeb 4, It could also be a tire.

So car in neutral, rev the car StornowayMercFeb 6, So it is not dependent on the car moving? Most likely the power steering pump then. Think perhaps it could be the alternator also. They can both make noise. Power steering pump noise usually varies as you move the steering wheel.

Maybe a stethoscope might isolate the culprit. Defo a possibility. I also have a whine on my C when I rev up with the bonnet up; nothing on tickover. Don't notice it when driving though.

I didn't think anything of it; just thought it was how they sound e. Maybe you will have to wait for it to get worse in order to identify the problem. EdGasketFeb 6, I have a whine to, Oh found its the wife. Hope this helps. I investigated my whine on my C by removing the auxillary drivebelt so just the engine was turning. When I rev up car stationarythe whine is still there; sounds like it is coming from the centre top of the engine.

Is this just the normal noise that mercs make? It is a bit intrusive when accelerating but at tickover and cruising I don't hear it. Symptoms are exactly the same as the OP though mine is obviously a different car. Any advice?It can be common to hear a noise coming from the undercarriage of many GL, ML and R Class Mercedes-Benz with the years of these models varying from It is a pretty horrendous noise that no one can ignore! Mechanics who are not specialized in the repair of Mercedes-Benz are replacing wheel bearings or wheel hubs.

This grinding or whining sound mirrors that of these parts wearing out. This is not to say those parts do not wear out as well. When these parts are replaced, it does not remedy the sound. An experienced Mercedes specialist will recognize this grinding or winding sound, which increases with speed, as coming from the front differential. Mechanics who do their research will find the only way to repair this sound is to replace the front differential.

This is the method the dealership uses and how they sell the part. The method is not effective because it is actually coming from the bearings inside the differential.

The bearing wears out and causes this horrendous noise. The differential in its entirety does not have to be replaced; only the bearings inside. However, dealerships and aftermarket OEM replacement parts vendors will only sell the front differential in its entirety.

This part, on its own! Our team at Desert Oasis has found an inexpensive way to fix this problem without replacing the entire front differential. Since it is only the bearings which needs replacing, our researchers have found a high quality bearing replacement. We love passing savings like these down. This is the reason we are in the automotive repair business. Call ! Open Monday — Friday a. What Is The Cause and the Solution?Mercedes Benz C owners have reported 7 problems related to engine rattling and whining sounds under the engine and engine cooling category.

The most recently reported issues are listed below.

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When the vehicle is stationary, it takes four clicks to turn over. After turnover, it idles rough, and makes a rattle noise around rpm. Mercedes ran a diagnostic and said it was a p code and recommended replacing camshaft adjusters and camshaft adjuster magnet and seals. This is a very common problem in these mercedes and I believe their should be a recall as this could cause engine damage while driving or pose a significant safety issue.

See all problems of the Mercedes Benz C Dealership diagnosed problem with camshaft adjusters. First time I had a rattling noise from engine, and check engine light on. First time it happened at 46k miles.

Second time car hesitates to start, had long cranking, it happened at 69k miles. It is a systematic, very costly and potentially life threatening problem. Rattling noise coming from engine at startup. Diagnosed as defective cam timing adjusters miles. This apparently an on going problem with this particular part s and causes major engine damage.

After only 75k miles my mb has a failing part that is well known amongst all mb dealerships. For such a newer vehicle this is unconscionable and many dealerships around the phoenix area have known about this issue for awhile and have expressed shock that this hasn't been a recall issue yet.

I knew there was an issue with my mb when I started it up and there was a rattling noise coming from the engine portion of the vehicle. Simply unacceptable.

mercedes benz whining noise

I am hoping the NHTSA will investigate and recall this car for this issue as it is a well-known issue and needs to be addressed. The contact owns a mercedes-benz Cw. When the accelerator pedal was applied, the vehicle stalled without warning. Additionally, the vehicle made an abnormal rattling noise. The vehicle was taken to a local dealer mercedes-benz of st clair shores located at e nine mile rd saint clair shores, mi where it was diagnosed that the camshaft adjusters needed to be replaced.

The vehicle was not repaired. The manufacturer was notified and did not offer any assistance. The failure mileage was 68, The contact owns a mercedes-benz C Upon starting the vehicle, a rattling noise was heard coming from the engine and the service engine warning indicator illuminated. The vehicle was taken to an independent mechanic where it was diagnosed with a cam shaft issue, and the timing chain and sprockets needed to be replaced.

The manufacturer was made aware of the issue and informed the contact that there was a recall, but the vehicle year was not included. The failure mileage was unknown. When starting the car the vehicle make loud rattling noise and the entire car shakes. Which need to be replaced along with the timing chain.This series has been manufactured sinceexpected to complete its production run in This will make way for the 4th generation Mercedes C-Class line, unveiled in February As an extension of this concept, Mercedes produced a wide variety of engine types from a standard four cylinder up to most recently the C63 AMG with its 6.

While many Mercedes C-Class owners have virtually no problems with their vehicles, there are a few Mercedes enthusiasts that unfortunately do. A frequent complaint from some Mercedes C-Class drivers concerns vehicle engine noise, specifically a high-pitched whining noise.

This may be a sustained sound or it may cut in and out as the vehicles rpm's increase and decrease. Most often, the noise disappears after the engine has been running for a couple of minutes.

This issue or any other unusual engine noise should be checked out by your local German auto import specialist. A simple diagnostic check can be performed in less than a half an hour and will specify any problem codes that may be contained within your engine.

Often, the whining noise many Mercedes owners speak of is caused by the air injection pump. If the car is started in the cold, this pump may emit sound until the engine becomes warm. This issue is mainly cosmetic and although annoying, is not usually a cause for major concern. Your Mercedes-Benz service mechanic can determine if this is the source of your whining noise, or if there is cause for further inspection.

Search for a local, independent Mercedes-Benz repair shop with Mercedes-Benz mechanics that have dealer-level expertise at a fraction of the expense.

Toggle navigation.Whining noise when accelerating is annoying. It makes you cringe every time you start the car because the noise is likely to disturb the neighbors.

Why does this happen and how to get rid of this embarrassing problem? With frequent use over time, many car components wear out and start showing issues.

A car that makes such a weird noise at the time of acceleration, will be fine at a set speed. It is actually challenging to find the root cause of whining noise when accelerating but these common causes will give you the heads-up.

You should do a thorough transmission check-up when the car starts making a grousing sound when speeding up. It could happen because of low transmission fluid level or worn out gears. Low level of fluid can cause all sorts of problems, and bizarre noises are the first to start with. Spotting this problem and refilling the fluid can save you plenty of money down the road. On the other hand, if the noise does not begin unless the vehicle is in motion, there must be issues with one or more gears and bearings.

Planetary gear sets will create a whining sound when they are worn out but only when the car starts moving. Repair or change the gear components if they are damaged.

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A loose steering belt could be the culprit behind a whining noise when accelerating. When it happens, the sound will occur when you are turning the steering wheels.

Tightening the belt will solve this issue. A leak in the power steering system can start that annoying whining noise. If you discover drips under your car or a visible drop in the level of power steering fluid, there must be a leak.

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Look into the steering rack or gear because these are the places where the leak is likely to occur than in the pump. You can replace the damaged or leaked parts and refill the fluid to fix the problem. The easy fix is to add a liquid stop-leak solution to the reservoir.Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.

Average rating from customers who received a Whining sound when car is in gear Inspection. Learn More. Your transmission is responsible for making your car move — it transfers the power from the engine to the wheels. The trouble may be pinpointing what it is. Transmissions work in different ways, depending on whether you have a manual or an automatic transmission. All you have to do is put the gear selector in drive, and press the gas pedal.

The transmission will automatically shift at certain engine RPMs to ensure a smooth acceleration process. As you can imagine, both manual transmissions and automatic transmissions require many different components in order to operate.

Some of these can create a whining noise when in gear. For some transmissions, a little whine in certain gears is completely normal. In others, not so much. Low Transmission Fluid : For both manual and automatic transmissions, the primary cause for whining when in gear is low transmission fluid. If the fluid is too low, then the internal components of the transmission are not lubricated properly. Normal Operation : As mentioned, some transmissions have an inherent whine that is completely normal.

mercedes benz whining noise

Depending on the make and model, the whine might be primarily audible in first gear, or it could be more noticeable in third gear, or some other gear. The best defense here is to know what your transmission sounds like normally.

Bad Input Shaft Bearing : This is an internal bearing within the housing of the transmission, and it can create a whining sound when it begins to fail. A certified mechanic will come to your home or office to inspect your transmission and verify the whining noise. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

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The mechanic will first inspect the transmission, including the level of transmission fluid. However, it will be necessary to test drive the car to verify the sound and pinpoint its source. The mechanic will also inspect and troubleshoot other areas of the vehicle to eliminate other possibilities.

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If your transmission is whining while in gear, it could be normal, or it could be a sign of a deeper underlying problem. One of our professional mechanics can inspect your transmission, listen to the whine, and repair the problem. Get an upfront price. Service Area.