Daughter has 2006 CLK350 bought last thanksgiving, about 48,000 miles. We have ben wating for the msg that an oil change is due. She only drives less that 4 miles to & from work, so with the short hop driving, we think a 6 month oil change is necessary. What should we do ?

If that really is all she ever does, then an oil service every 6 to 12 months wouldn't be bad. I'd assume she would drive it maybe on the weekends, let it off the leash, so to speak? If she drove it say 50 or 100 miles (longer trip)at least every couple weeks, I'd say go 12 months.
The car will give a warning based on time, mileage, and the actual ol condition, so i wouldn't sweat it too much. The thing holds over 2 gallons of oil so will hold quite a bit of gunk in suspension.
Gilly

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When I do a reset after an oil and filter change it shows 10,000 miles until the next service indication. But, since I don't drive much it takes about 12,500 to 13,000 miles to trigger the FSS, so I change the oil and filter at 6,000 miles then again when the service indicator comes on. Also, I only use MB filters and Mobil 1 0w-40.
I'm also a big believer in changing the air filter at half the recommended mileage.

Others may disagree, but that's my method.

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1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible

The engine management system computer is allegedly able to calculate the condition of the oil and bring up the service indicator whether or not the time frame / mileage flag is reached or not.

It may give you peace of mind to have the oil changed however if you consult your M.B. dealership technical adviser they may advise that this maybe unnneccesary .

I had the same condition as you describe in my CLK - done far less than 7500 miles in a year - no service indication. Dealership advised that change was yet unnecessary.

does all this imply that you can get 10-12k miles out of a synthetic oil change?

Larry Bible , weigh in......

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


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In Orstralia oil change intervals can be up to or beyond 15,000 Kilometres on petrol engines and 20Ks for diesel.

(Mobil 1 synthetic recommended.)