mercedes makes noise when starting

It normally fires up first turn of engine, and I've always thought it's from the big ends, which after a few revolutions get oil pumped back into them. When it comes to cars, the unexpected is usually bad and changes in state are almost always for the worse. My 2008 Accent had the same sound when it was purchased new with 20 miles on it. Generally, an engine will make a consistent tapping sound if some part of it is not receiving oil at start-up. Membership is extended to non-owners with a genuine interest in the best engineered car in the world. Let it sit for about 30 seconds or so and the sound disappears. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. The Mercedes-Benz Owners is a completely independent organisation.

The Daimler Group are the proprietors of the Community Trademarks "Mercedes", "Mercedes-Benz" and the three pointed star logo. Qualification for membership is for owners of such cars and true enthusiasm for the marque. Some newer engines inhale a bit of air on cold start-up to check for evaporation in the engine. Right guys I had a garage replace the oil and filter bout a week ago now my petrol engine sounds like a diesel...is this just coincidence or has somethin happenede internally?? Hi ya, did you mean to write that the other way around, your diesel now sounds like a petrol as opposed to your petrol sounds like a diesel , if it was the later i would not be happy but it was the first i would be delighted and yes it would make total sense.My guess would be worn tappets and the new oil is that bit thicker that the tappets are working correctly and maintaining pressure for now. The following are some of the more common sounds made by a worn engine at start up. Some components like piston rings will wear over time and must expand with engine heat before they will work properly. About 50 percent of the time when I try to start the starter doesn't engage whatever it's supposed to engage on the motor to actually turn the motor. (You must log in or sign up to reply here. Noise 4: bearings Another under-bonnet noise is a low-pitched rumbling sound due to a worn bearing. This website is not in any way connected or affiliated with the Daimler Group. Some are more serious than others, but any noise should be investigated, particularly if it gets louder or faster with rpm. Any information displayed on this website has not been approved by the Daimler Group and the products or services we sell or advertise via this website have not been endorsed by the Daimler Group. I have the same or similar clattering noise on starting up after not using the car for a day or two. It doesn't last more than a second or two.This is on a 500SL with 100,00 miles. Some are more serious than others, but any noise should be investigated, particularly if … The following are some of the more common sounds made by a worn engine at start up. Car died while driving on hwy, pulled over, car would make scraping noise when key was turned. When it comes to cars, the unexpected is usually bad and changes in state are almost always for the worse. Contact a workshop immediately and have the noise diagnosed. Lights work, battery is charged. This problem is more common on some engines than others, but is a result of wear on the valve lash adjusters, valves, valve seats, and/or valve springs. The Mercedes-Benz Owners is a completely independent organisation. Tried push-starting but it wouldn't start. Don't worry this stuff can repair engines!!! This site uses cookies. Mercedes-Benz Owners (MBO) Forum, exists for the benefit of owners of Mercedes-Benz cars. A s quealing sound when accelerate: You won’t miss this high-pitched noise and it’s more than likely your fan belt which is loose. It does start up a bit rough on idle but much better. hydraulic tappets use a good oil like mobile 1. Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by Damdan, Sep 15, 2011. Symptoms: Noise Under the Dash. Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by kerrygav, Jun 29, 2012. This site uses cookies. 5. Its from the oil not reaching the heads when started from a cold-start. The biggest load of unsubstantiated s**t I have heard in a very long while. So My 240D has a serious starting problem. This website is not in any way connected or affiliated with the Daimler Group. Copyright 2020 Leaf Group Ltd. / Leaf Group Media. Modified engines with forged pistons will do the same, but this is normal. Mine makes the same sound as well. Later on, however, the ticking returns and repeats its cycle. Accurately locating the source of the noise requires a stethoscope or length of tubing applied to each belt-driven ancillary in turn, including the alternator, power-steering pump and air-conditioner pump. Horrible grinding noise on startup. The Daimler Group are the proprietors of the Community Trademarks "Mercedes", "Mercedes-Benz" and the three pointed star logo. Qualification for membership is for owners of such cars and true enthusiasm for the marque. Any information displayed on this website has not been approved by the Daimler Group and the products or services we sell or advertise via this website have not been endorsed by the Daimler Group. When you start your Mercedes-Benz, or even just turning the AC on, you hear a clicking sound (at times a shhh sound) from the dashboard. Older engines with an external exhaust bypass can rattle at start-up, as the soldering used on these tubes is fragile and breaks over time. Auto repairs can be expensive, especially on luxury brands like the Mercedes. This is nothing to worry about, though it does get a bit louder with time.

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