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#1
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Change Your Brake Fluid
I just changed mine. It had been in there since I did some major brake work in 2005. It came out a little dark, but not milky, and I live in a pretty dry area. Also, the fluid level went down while I had the car in storage for a year, and got a little air in the system. Now my normal pedal and "hand of God" brakes are functioning as they should. I used the vacuum pump with brake bleeder accessories that I got from Harbor Freight for like 5 bucks. Easy day.
Now I just need to change my power steering fluid and filter, air filter (surprisingly dirty after only 8000 miles), fix my dash lights, climate control, vacuum locks...
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#2
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Mercedes Factory Maintenance Schedule requires the brake fluid be changed once a year, preferably in the spring.
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1983 123.133 California - GreaseCar Veg System |
#3
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I know. I let it slip a bit (5 1/2 years). The domestic OEMs don't even call for this service, or at least they didn't in the times when I was driving domestics.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#4
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Because most domestic cars are entering a crusher by their 8th year.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#5
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I have always though there was a financial dividend in changing out the brake fluid every year or two. Many cars still have a lot of their original fluid.
Usually anything in life that pays you to do should be at least seriously considered. Also since failure of the brake system should be less frequent with fluid changes there are safety issues with just letting it go. |
#6
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fluid does not just disappear... I'd start looking for the leaking hose/line...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#7
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No recommendation but for myself the Fluid sort of gets changed when I work on the Calipers and I bleed the Fluid out until clear.
Other than that as long as the Brakes work I am not concerned about the Fluid. They sell the Denatured Alcohol to clean the system out but I have never seen or met anyone who as flushed the system with that before adding new Brake fluid. I also do not see any difference between the Mercedes Brake System and other Brake Systems that looks like it needs any special attention or procedures.
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84 300D, 82 Volvo 244Gl Diesel |
#8
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The service booklet in the glove box of my 98 e300d says every two years.
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#9
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Quote:
pawoSD, good point.
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83 SD 84 CD |
#10
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I went down while the car sat in storage for a year. After I topped it up, the level didn't change. Whatever leakage occurred seems to have stopped when regular operation resumed. It probably isn't a bad idea for me to check my booster for fluid though.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#11
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Two years on his 2005, one year on your 1983.
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Len '59 220S Cabriolet-SOLD and living happily in Malta '83 240D 351,500 miles original owner-SOLD '88 560SL 41,000 miles - totaled and parted out https://sites.google.com/site/mercedesstuff/home '99 E300 turbo 227,500 miles '03 SLK320 40,000 miles - gave to my daughter '14 Smart electric coupe 28,500 miles '14 Smart electric cabriolet 28,500 miles '15 Smart electric coupe 28,000 miles |
#12
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Maybe due to DOT 3 vs 4 fluid being used?
DOT 4 will absorb water faster, but has a far higher starting and wet boiling temperature, so perhaps is OK, versus the temperatures that DOT3 can come down to. Just a thought.
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K) |
#13
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The change was in the flexible lines. The newer ones let less moisture in.
Honestly for the speeds seen on NA roads every 2 years is fine with DOT4 fluid. -J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
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