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#2442607 - 11/23/11 09:45 AM oil rec for a 1988 300e MB
660mag Offline


Registered: 12/29/10
Posts: 318
Loc: TEXAS
I have some good ideas, but am wondering what the masses here on bitog would use.
The car is a 1988 Mercedes Benz 300e with the I6 m103 powerplant. The od reads 195000. The car is driven twice a day for a total of about 75 miles to and from work. Split is around 80/20 HW/City. I Have run about 3 rather short (3000) ocis since I got the car to clean it up, and it passed emissions with flying colors. Past oils used are GC, T6, and currently Castrol HM 20w50. Oil use has slowed to near 1qt per 3k, and during the summer was around 1qt per 1k with the other two oils. I would not be against extending the drain out even up to 10k, and would prefer an MB approved oil. Lowest temp this car will see is maybe 15f, and upwards of 110f. At a 10k oci, price is not really an issue. Will be using the spec MB oil filters, or a Mobil 1 EP. Oil consumption is the only troll I'd like to battle, therefor I've taken all of the thin oils off my list already. The manual recommends vis range between a 5w30 up to 20w50 depending on temp. Thanks to all for your thoughts, and have a safe and happy Turkey Day!
Will
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#2442615 - 11/23/11 09:53 AM Re: oil rec for a 1988 300e MB [Re: 660mag]
Radman Offline


Registered: 11/24/10
Posts: 485
Loc: Detroit, Michigan
Castrol GTX 10W40 or any other 10W40 with a brand name.
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2006 Maxima 120K M1-105, M1 0W40
2006 Sentra 90K M1-105, GTX 5W30
2010 Altima 20K M1-105, GTX 5W30
2013 Yamaha FZ1 1K PL1410, SRT5 15W40

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#2442645 - 11/23/11 10:14 AM Re: oil rec for a 1988 300e MB [Re: 660mag]
virginoil Offline


Registered: 09/05/05
Posts: 1367
Loc: western australia

Mobil 1 10w40 high mileage.
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#2442647 - 11/23/11 10:16 AM Re: oil rec for a 1988 300e MB [Re: Radman]
lexus114 Offline


Registered: 05/12/08
Posts: 6113
Loc: Easton, PA
Originally Posted By: Radman
Castrol GTX 10W40 or any other 10W40 with a brand name.



Yup! I used Pennzoil 10W40 in my 87 300E. Worked great! The 15W40 was to thick for it in my climate.
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2012 Mercedes-Benz C300 4matic
2015 Lexus RX350 AWD

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#2442649 - 11/23/11 10:17 AM Re: oil rec for a 1988 300e MB [Re: 660mag]
CATERHAM Offline


Registered: 11/18/05
Posts: 10037
Loc: Burlington, Ontario, Canada
M1 0W-40.
Anything heavier than that is counter-productive.
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74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#2442650 - 11/23/11 10:18 AM Re: oil rec for a 1988 300e MB [Re: 660mag]
mahansm Offline


Registered: 01/19/10
Posts: 90
Loc: Panama CIty, Florida
Mobil 1 0W-40 is recommended for your engine. It passed requirements that other grades do not.

That engine has had problems with the head gasket but if it hasn't gone bad on yours by now it probably won't. Valve guides are nearing their end of life if they haven't been replaced already. Watch for an oil leak under the distributor at the shaft seal.
Belt tensioner can fail and is a bear to replace.

Use the Hengst, Mann, or Knect filters.

'92 300 E
'92 400 E
among others...

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#2442651 - 11/23/11 10:19 AM Re: oil rec for a 1988 300e MB [Re: 660mag]
FowVay Offline


Registered: 06/02/02
Posts: 2377
Loc: Southeastern USA
I used to have a 1987 300E and I used 10W-40 in it. It seemed to work great. This was before they had the high mileage oils so for a current recommendation I'd choose a high mileage 10W-40 of any name brand.

That was one of the best cars I have ever owned (W124) and almost regret selling it.

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#2442660 - 11/23/11 10:26 AM Re: oil rec for a 1988 300e MB [Re: FowVay]
lexus114 Offline


Registered: 05/12/08
Posts: 6113
Loc: Easton, PA
Originally Posted By: FowVay
I used to have a 1987 300E and I used 10W-40 in it. It seemed to work great. This was before they had the high mileage oils so for a current recommendation I'd choose a high mileage 10W-40 of any name brand.

That was one of the best cars I have ever owned (W124) and almost regret selling it.




I DO regret selling mine. It was cherry.
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2012 Mercedes-Benz C300 4matic
2015 Lexus RX350 AWD

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#2443132 - 11/23/11 06:16 PM Re: oil rec for a 1988 300e MB [Re: lexus114]
660mag Offline


Registered: 12/29/10
Posts: 318
Loc: TEXAS
Thanks for the reply guys.
It's done. Just put in 0w40sn mobil1 and an mb filter made in Italy. Looking forward to the longer drain. Hopefully the oil consumption stays on it's current downward trend.
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#2443139 - 11/23/11 06:22 PM Re: oil rec for a 1988 300e MB [Re: 660mag]
Ayrton Offline


Registered: 09/28/10
Posts: 666
Loc: Washington State, U.S.
Originally Posted By: 660mag
Thanks for the reply guys.
It's done. Just put in 0w40sn mobil1 and an mb filter made in Italy. Looking forward to the longer drain. Hopefully the oil consumption stays on it's current downward trend.


You picked a good oil. If you saw it dramatically increased consumption, just go back to a 100 percent conventional High Mileage oil.

The 0w40 is worth a try though! It's a great product!

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#2443233 - 11/23/11 07:47 PM Re: oil rec for a 1988 300e MB [Re: 660mag]
fdcg27 Offline


Registered: 09/25/09
Posts: 11735
Loc: OH
If you run into consumption problems with the M1 0W-40, you might try M1 15W-50.
This oil worked well in my old German machine and it might do so in yours as well.
Good luck with your 124.
Good engine in a good car.
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12 Accord LX 45K TGMO 0W-20
09 Forester 67K PU 5W-30
02 Accord 144K GOil 5W-30
01 Focus ZX3 112K M1 5W-20
95 BMW 318iC 155K Defy 10W-40

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