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I’m wondering whether this is normal or a serious issue for a car with 100,000 km. I noticed light-coloured metal particles in the oil filter, and when I placed a magnet around the filter, it collected quite a lot of metal. Is this a major concern? At the moment, I don’t hear any unusual noise from the engine.
That said, in our kids C300 he had it three oil changes ago. We put in LiquidMoly 5-40 at that oil change. The next change...no glitter. Odd at best. I am not sure when that car is due again but need to look hard at that oil change.
For all my cars and for years I have always cut the filter ends off, lay the media flat and check it in the sun for glitter of doom. If it is....trade in? Let it become a new owners issue (last time I sold car like that I wrote under the hood in Sharpie "shavings in oil" - that was on a 3000GT VR4, that I had traded in for my 911 Turbo S. I felt that for me that was at least notice for a potential new buyer to be aware.
I was 5w 30 and always service with dealer. This is the 1st time I did by myself at only 7000km and change to Motul because we did quite a lot of short trip. At first, I thought it was nothing, but when I opened the oil filter and used a magnet, I found many tiny metal particles trapped around the folded edges. Interestingly, when I put a magnet into the drained oil itself, I didn’t find anything. At least the filter is doing its job, but it suggests that some metal components are wearing and shedding particles—possibly from parts like the timing chain, camshaft, rocker arms, or the oil pump. The parts may direct to filter or oil pump. I will check oil filter again after 1000-2000km. It should tell me something because of bad oil from. Mercedes or just our engine bad.
You should have an oil sample done. It will tell you the composition of the metal in the oil and maybe help to identify the source. I use these guys for oil samples:
I wonder if the metal came from improper insertion or tightening of that filter at the last oil change.
Do any of the fixture parts look damaged? Those are some large pieces.
I wonder if the metal came from improper insertion or tightening of that filter at the last oil change.
Do any of the fixture parts look damaged? Those are some large pieces.
I don't understand your oil change intervals before or when you took these pictures. Would you care to elaborate on that?
my oil change is 10000km every year with dealer. But this time it is out of warranty so I did by myself at 7000km and found the issue. I have never check oil filter before. This is 1st time.
I know the housing is plastic. I was wondering if some associated activity caused the metal debris, because it's certainly more than particulate size. Or, conversely, if there's that much metal circulating in the oil, galleys I'm surprised that your engine hasn't failed already.
I know the housing is plastic. I was wondering if some associated activity caused the metal debris, because it's certainly more than particulate size. Or, conversely, if there's that much metal circulating in the oil, galleys I'm surprised that your engine hasn't failed already.
you have a very good point. Strange that is a lot of metal. It is not just small amount. I am waiting for the lab open to do oil analysis.
I recently saw an M1576 video where the cam guides at themselves up....BUT, this is non ferrous metal. You did say this was "steel"? Did you test it with a magnet?
You have a diesel with a high pressure fuel pump. These can be very particular about the oil meeting the manufacturers specifications. I assume the Motul oil you used met the required Mercedes specifications?
You have a diesel with a high pressure fuel pump. These can be very particular about the oil meeting the manufacturers specifications. I assume the Motul oil you used met the required Mercedes specifications?
I recently saw an M1576 video where the cam guides at themselves up....BUT, this is non ferrous metal. You did say this was "steel"? Did you test it with a magnet?
I think this happened because the car was parked on an angled ramp during the oil change, so more dirt and stubborn tiny metal particles came out. The oil pump then picked them up and trapped them in the oil filter. Normally, the dealer only changes the oil when the car is level, not at an angle.
I got the report. Everything looks good except iron/fe is around 54 which mean from chain (timing/oil pump/high pressure pump) Also the Fuel dilution is high 7.4% I think because I was have too many short trips. Fuel dilution impact to wearing of chain. The rest is all good.
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