Other than oil changes, what fluids and when do they need refreshing? - Mercedes-Benz Forum
 
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#1 (permalink) Old 02-01-2012, 08:04 AM
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Other than oil changes, what fluids and when do they need refreshing?

The title says it all. I ask because my car only has 14,000 miles and it sits in the garage and only comes out when it's sunny. Brake flush? Coolant flush? What else? Thanks ahead for the info.
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#2 (permalink) Old 02-01-2012, 12:59 PM
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oxidation,debris, heat, fluid cycling are cumulative, but slow. Decades ago coolant was short. brake fluid, hydraulics, hypoid were very long. All the chemistry is better and more stable. I would worry more about stale gas in the tank!
When Klaus rebuild the soft top cylinders the hydraulic fluid I replaced was dark with a sludge about 3mm thick!!! 17 years of sediment?
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#3 (permalink) Old 02-01-2012, 01:50 PM
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If it's my car, I'd drive it "vigorously" for a few hundred miles then have anything fluid replaced then go back to hibernating mode. That is another 14K miles by the year 2023.
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#4 (permalink) Old 02-01-2012, 02:53 PM
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If it's my car, I'd drive it "vigorously" for a few hundred miles then have anything fluid replaced then go back to hibernating mode. That is another 14K miles by the year 2023.
Thanks for the advice. I'll do just that.....drive it "vigorously" for a few hundred miles, change all of the fluids then, like always, drive it once in blue moon. Chances are I'll probably die of old age before the car hits 25k. Thanks again.
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#5 (permalink) Old 05-14-2012, 07:46 PM
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Changing fluids

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Originally Posted by lazz View Post
Thanks for the advice. I'll do just that.....drive it "vigorously" for a few hundred miles, change all of the fluids then, like always, drive it once in blue moon. Chances are I'll probably die of old age before the car hits 25k. Thanks again.
Another opinion! I have a 2000 Corvette Convertible that I ordered new in 99. It was delivered in Sept of 99. Today the car has 17,000 miles - 3,000 of which was driving it from Chicago to Calif a few days after 9-11 (could not fly). Te car has had the oild/filter changed (Mobil1) every 24 months. The coolant has been changed once. All other fluids are original. The car spends it's time in my climate controlled shop under a car cover. I keep it connected to a battery tender and make sure to drive it once a month. It looks and drives like a new car. My 97 SL320 on the other hand has 136,000 miles. GM does not recommend changing the brake fluid, six speed transmission or differential and with my low miliege I see no reason to change them. On the other hand - on my 97 SL320 and 97 C140 I adhere religiously to the schedule suggested by Mercedes.
Jan
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#6 (permalink) Old 05-14-2012, 09:57 PM
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That's funny. I've always been told to change the brake fluid every 2-3 years, regardless of milage, because of the fluid's inherent moisture draw.

I know that DOT 5 supposedly draws less moisture than the older formulas, but still...

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