What are the proper time intervals are for fluid flushes (hydraulics, coolant, steering, etc.)? every year? 2 years? or is it more based on mileage?

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Janos
1989 560SEL
1993 400E
1994 E320 wagon

Most of us try for changing brake fluid every 2 years and coolant at least every 3 years and use MB coolant. I do the power steering fluid and filter every 2 years also. Oil and filter every 3,000 miles or every 3 months if you don't run up the milage that much.

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95 E420 ( 76K) SOLD
85 380SE(125k)
95 SL500(72k)

janos,
every 30000 miles for fluids is the service manual recommendation for the w126's I would recommend 30000 or two years for the fluids (radiator, tranny, diff and brake fluid)
Oil they say every 7500 but I would recommend at least 5000 miles.
m

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Martin Ingram
Colorado Springs
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)

I don't know what the fluid change interval (if any at all) for the Hydraulic self-leveling suspension.

The fluid change interval required by Mercedes Benz for the Brake Fluid and Radiator coolant is as follows:

1. every two years for the brake fluid.

2. every three years for the radiator coolant.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".