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Old 05-14-2003, 12:13 PM
glenmore's Avatar
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Join Date: Sep 2002
Location: Los Angeles
Posts: 963
10,000 mile oil changes on new Jaguar?

My friend bought a new Jaguar and mentioned the convenience of long 10,000 mile interval oil changes. I was vaguely aware of the Mercedes FSS problem and suggested that more frequent changes would be better, but that if kept to the interval, use synthetic. We both have short commutes so by the time we pull into work, our engines have just barely reached full operating temperatures. I don't know if Jaguar requires synthetic or relies on typical dino oil for the 10,000 mile intervals.

Any thoughts or suggestions for her?

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Old 05-14-2003, 12:52 PM
Posts: n/a
my TDI manual aso suggests 10,000 mile intervals

The oil must be synthetic. I change mine every 5000 mi. just for cheap insurance.
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Old 05-14-2003, 01:03 PM
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Join Date: Mar 2003
Location: Convent Station, NJ
Posts: 755
Even though I feel synthetic oil is overkill for most water cooled applications, with 3500 mile change intervals, I am a long time user. I also push it to anyone who asks advice on the subject. However, if using Mobil 1 it is recommeded that the change intervals stay about the same as with Dino based oils and this varies greatly from car to car.

Below is an excerpt from the Mobil1 site.

BTW: ran into a friend yesterday who mentioned that his wife brought her MB MLxxx to the dealer for an oil change. Said it cost $450....three filters etc. Is this the going rate?
Oh, yes he mentioned that he received a $35 rebate coupon from Mercedes but it wasn't honored. Hmmmm


Myth: You don't have to change the oil as often when using Mobil 1.

Answer: While Mobil 1 has given excellent results in extended oil drain tests, ExxonMobil prefers to remain conservative with oil drain recommendations. ExxonMobil engineers recommend that you can go all the way to the maximum mileage or time frame shown in your owner's manual for oil changes when using Mobil 1 with SuperSyn™. This allows the reserve protection capabilities of Mobil 1 with SuperSyn™ to cover unusual or unexpected driving conditions.

Oil change intervals can be as short as 3,000 miles or as long as 15,000 miles on some new cars. Mobil 1 with SuperSyn™'s high-performance reserves can give you the confidence to go the full mileage or time frame recommended by the vehicle manufacturer. Mobil 1 with SuperSyn™ is especially suitable for the latest vehicles with extended drain intervals or vehicles with oil monitoring systems that vary oil drain intervals.

'85 380 SL (sold)
'85 Carrera Flatnose
'71 280 SL Signal Red/Cognac
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Old 05-14-2003, 01:30 PM
dmorrison's Avatar
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Join Date: Dec 2002
Location: Colleyville, Texas
Posts: 2,694
I have my letter from Mercedes for a 150,000 mile extended warrantee on the engine due to coaking problems using the FSS system on the 99 E300. The letter states that this is not a problem if you have used synthetic oils the entire time. I have always used synthetic and will continue to to so on the E300 and the 560SL. I would recommend using sythetics IF you intend to keep the car for the long run. If you trade in youru cars every three years shy bother. Unless you want to help the next owner.

1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car
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Old 05-14-2003, 01:33 PM
Posts: n/a
Yes, all the problems related to the recent MB law suit were due to DINO oil. Using synthetic with the FSS intervals has not proven to be a problem.

That said, there is no way I would go 10,000 miles between changes regardless of oil used. Oil is cheap, cars are expensive.

Have a great day,
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