Loud ticking/tapping on startup
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E350 Sport
Loud ticking/tapping on startup
On my 2013 e350, sometimes on startup a loud ticking/tapping noise but only when it starts. It sounds fine after. It doesn't happen on each start though. Only at random, when the weather is colder it happens more often on the start.
I recently changed my oil, used mobile 1 formula m. No change in noise.
What I can tell you is that the idiots who had the car before me (used car dealer) most likely didn't service the oil.
Some people say it's lifters, some say oil pressure etc. I know this community is solely benz owners so im hoping someone has had and delta with this simular situation.
Appreciate the feedback in advance.
I recently changed my oil, used mobile 1 formula m. No change in noise.
What I can tell you is that the idiots who had the car before me (used car dealer) most likely didn't service the oil.
Some people say it's lifters, some say oil pressure etc. I know this community is solely benz owners so im hoping someone has had and delta with this simular situation.
Appreciate the feedback in advance.
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2020 E63S, 2019 GLE 43,2017 GLS450,2012 E350
Funny you mention, this is an identical recent development on my 12 E350. The vehicles has been dealer serviced per manual since new. I have been looking around to see if anyone else reporting the same issue on the forum. I am now out of warranty and it doesn't do it every cold start so it would be tough to demonstrate to service dept. however I will mention it at next service but doubt it is anything easily serviceable. Any other thoughts would be appreciated
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E350 Sport
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Some people have told me after an oil change it would go away, but nothing has changed. I have a friend who's going to try to diagnose it for me. Ill let you know what the discovery is.
Funny you mention, this is an identical recent development on my 12 E350. The vehicles has been dealer serviced per manual since new. I have been looking around to see if anyone else reporting the same issue on the forum. I am now out of warranty and it doesn't do it every cold start so it would be tough to demonstrate to service dept. however I will mention it at next service but doubt it is anything easily serviceable. Any other thoughts would be appreciated
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2013 E550, 2014 GLK 350
Is it different than the typical direct injection ticking these cars have? At least I am assuming the 12's have it. My 13 E550 does it, as does my wife's 14 GLK350. Some mornings (usually on a colder morning) it seems a bit more audible and then it mellows out, just like you mention.
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E350 Sport
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I'm sure it is, I've heard a brand new almost zero mileage start and Mercedes-Benz are usually quiet machines on start, I've been thinking about giving it a fuel treatment on my next fill but don't know what stuff is safe to use. And for your wifes GLK, bad *** choic . It's a very nice car, i think that's the South class of SUVs
Is it different than the typical direct injection ticking these cars have? At least I am assuming the 12's have it. My 13 E550 does it, as does my wife's 14 GLK350. Some mornings (usually on a colder morning) it seems a bit more audible and then it mellows out, just like you mention.
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Mercedes and BMW
I had the same issue back 8 months ago on my CPO 2012 E350 and did a search and its your timing chain tensioners. The tapping noise occurs at start up when cold and at times after a drive and the car cools, then it would make the sound for about 5-8 secs. Went to the dealer told them about the TSB and the they already knew about it. It was replaced and now the noise is gone.
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What was the cost to fix it?
I had the same issue back 8 months ago on my CPO 2012 E350 and did a search and its your timing chain tensioners. The tapping noise occurs at start up when cold and at times after a drive and the car cools, then it would make the sound for about 5-8 secs. Went to the dealer told them about the TSB and the they already knew about it. It was replaced and now the noise is gone.
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