Oil overfilled. Should I worry?
Thread Starter
Member
Joined: Aug 2011
Posts: 91
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2012 C300 Lux
Oil overfilled. Should I worry?
I sent my car to the dealership for the 7yr maintenance (Service A) about 10 days ago. Yesterday I checked the dipstick and noticed that the oil was overfilled. Today I measured a few times following the manual and got the same result. The oil level is clearly above the max mark and by about 1/4 inch.
Should I worry? I googled online. Some said it is not a big deal while some said it is serious. I think I'd better ask question on this MB forum. The car is just outside the extended warranty period.
If I need to drain some oil out, will an extractor pump work, such as the following one on amazon?
Thanks.
Should I worry? I googled online. Some said it is not a big deal while some said it is serious. I think I'd better ask question on this MB forum. The car is just outside the extended warranty period.
If I need to drain some oil out, will an extractor pump work, such as the following one on amazon?
Thanks.
Last edited by kev10; Sep 26, 2018 at 11:57 PM.
Member
Joined: Jan 2014
Posts: 124
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From: NY
'06 mz3, '12 R6, '09 W204, '02 A4 B6, '14 IS350
You had the dealer do the service, bring it back to them to correct the issue. Explain to them and tell them you are worried about the oil level, the dealer will most likely pump out the extra oil then you good to go but if not tell them if anything happens with the motor they will be liable. Why spend the extra money for something that is not your mistake. I mean you can get the pump if you plan to do work on your own car and such.
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Joined: May 2016
Posts: 379
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From: ALLENTOWN PA
2017 AMG GT, 2015 ML350, 2013 C300
Overfilling (in a good amount) is as worse as under-filling your oil. If we are talking about just a notch above the max dipstick, I wouldn't worry about it too much. 1/4" more, I'd be losing sleep.
Thread Starter
Member
Joined: Aug 2011
Posts: 91
Likes: 2
2012 C300 Lux
I just called the dealership. They swore that the oil level is good and wouldn't cause a problem (well, if a problem does surface, they will surely blame it on something else). They also said that there would be additional charge for draining oil out. What a rip-off, given that they already charged $300 for a crappy Service A!
So I am trying to decide on whether 1/4" is too much to take or it is still within the buffer that engine can operate normally. In your opinion, is 1/4" too much?
Another factor I am considering is that I will go for a W206 when the new model comes out in Sep 2019 (hopefully). Current model is 2012, although it has been running well.
Thanks again.
Super Member
Joined: Jan 2009
Posts: 929
Likes: 51
From: Silicon Valley, California
Factory ordered 2012 MB C350 w/Dynamic Handling Package
I sent my car to the dealership for the 7yr maintenance (Service A) about 10 days ago. Yesterday I checked the dipstick and noticed that the oil was overfilled. Today I measured a few times following the manual and got the same result. The oil level is clearly above the max mark and by about 1/4 inch.
Should I worry? I googled online. Some said it is not a big deal while some said it is serious. I think I'd better ask question on this MB forum. The car is just outside the extended warranty period.
If I need to drain some oil out, will an extractor pump work, such as the following one on amazon?
https://www.amazon.com/gp/product/B0...N2KXJMQ4YJ4GMD
Thanks.
Should I worry? I googled online. Some said it is not a big deal while some said it is serious. I think I'd better ask question on this MB forum. The car is just outside the extended warranty period.
If I need to drain some oil out, will an extractor pump work, such as the following one on amazon?
https://www.amazon.com/gp/product/B0...N2KXJMQ4YJ4GMD
Thanks.
Out of curiosity, did you measure your oil hot or cold? Reason why I ask is measuring your oil while the engine is running, or immediately after shutting down would yield a lower mark on the dipstick. Maybe the dealer measured it while the engine was warm? Some manufacturers actually recommend on measuring hot (I don't know if Mercedes does), but regardless...whenever I fill oil, I tend to go to the max mark on COLD just to be safe.
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From: Canada
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Thanks to all who responded!
I just called the dealership. They swore that the oil level is good and wouldn't cause a problem (well, if a problem does surface, they will surely blame it on something else). They also said that there would be additional charge for draining oil out. What a rip-off, given that they already charged $300 for a crappy Service A!
So I am trying to decide on whether 1/4" is too much to take or it is still within the buffer that engine can operate normally. In your opinion, is 1/4" too much?
Another factor I am considering is that I will go for a W206 when the new model comes out in Sep 2019 (hopefully). Current model is 2012, although it has been running well.
Thanks again.
I just called the dealership. They swore that the oil level is good and wouldn't cause a problem (well, if a problem does surface, they will surely blame it on something else). They also said that there would be additional charge for draining oil out. What a rip-off, given that they already charged $300 for a crappy Service A!
So I am trying to decide on whether 1/4" is too much to take or it is still within the buffer that engine can operate normally. In your opinion, is 1/4" too much?
Another factor I am considering is that I will go for a W206 when the new model comes out in Sep 2019 (hopefully). Current model is 2012, although it has been running well.
Thanks again.
I would speak to the Service Manager and demand that they fix it. I'm so personally tired of the "the best or nothing" crap when they don't live up to it. You should not go out of pocket on this. Speak to the service manager, and if they give you grief, then you absolutely should email MBUSA.
It says all over the manual "DO NOT OVERFILL" for a reason.
Let me put it to you this way. When I did my own oil change and I was about 1/4" over, it was about 3/4 of a liter. That's a lot.
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Thread Starter
Member
Joined: Aug 2011
Posts: 91
Likes: 2
2012 C300 Lux
Out of curiosity, did you measure your oil hot or cold? Reason why I ask is measuring your oil while the engine is running, or immediately after shutting down would yield a lower mark on the dipstick. Maybe the dealer measured it while the engine was warm? Some manufacturers actually recommend on measuring hot (I don't know if Mercedes does), but regardless...whenever I fill oil, I tend to go to the max mark on COLD just to be safe.
Thanks.
Thread Starter
Member
Joined: Aug 2011
Posts: 91
Likes: 2
2012 C300 Lux
NO WAY JOSE.
I would speak to the Service Manager and demand that they fix it. I'm so personally tired of the "the best or nothing" crap when they don't live up to it. You should not go out of pocket on this. Speak to the service manager, and if they give you grief, then you absolutely should email MBUSA.
It says all over the manual "DO NOT OVERFILL" for a reason.
Let me put it to you this way. When I did my own oil change and I was about 1/4" over, it was about 3/4 of a liter. That's a lot.
I would speak to the Service Manager and demand that they fix it. I'm so personally tired of the "the best or nothing" crap when they don't live up to it. You should not go out of pocket on this. Speak to the service manager, and if they give you grief, then you absolutely should email MBUSA.
It says all over the manual "DO NOT OVERFILL" for a reason.
Let me put it to you this way. When I did my own oil change and I was about 1/4" over, it was about 3/4 of a liter. That's a lot.
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Joined: Jun 2011
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From: Canada
A car
Since then, I have done all of my oil changes myself. I've got it down to a friggin science
