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#1
03-21-2003, 01:36 PM
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which brake fluid do you use and why...
Hi All,
Can you tell me which brake fluid you use. I'd like to get a POLL going but don't really know what to put in the list. thanks,
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sjsfiji '87 W124 260E (DD) 98K orig. mi. @7/15 CLK 7-Spoke Forged Wheels  Neuspeed springs/Bilstein Sport 4/3 bump (F/R) '97 993 Carrera 106K orig. mi. Always driven like it's stolen 
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#2
03-21-2003, 03:34 PM
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This should answer most all questions about what brake fluid to choose.
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#3
03-21-2003, 05:47 PM
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That is a great list!!
I use type 200(ATE) & switch to Super Blue(ATE) every other year! in my 16V race car.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
03-22-2003, 01:58 AM
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I use ATE SL.
I think it is pretty good. I haven't done track driving, but going from regular dot 4 to ATE SL the petal is harder.
__________________
Current Stable: 1994 S500 v140, 210k miles, white with grey. Former Mercedes in the Stable: 1983 300CD Turbo diesel 515k mi sold (rumor has it, that it has 750k miles on it now) 1984 300CD Turbo Diesel 150 k mi sold 1982 300D Turbo Diesel 225 sold 1987 300D Turbo Diesel 255k mi sold 1988 300 CE AMG Hammer 15k mi sold 1986 "300E" Amg Hammer 88k mi sold (it was really a 200, not even an E (124.020) 1992 500E 156k mi sold etc. Last edited by omegabenz; 03-22-2003 at 03:10 AM.
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#5
03-24-2003, 11:16 AM
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I ran ATE Super Blue up until about 1 year ago & now I run the Motul.
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1994 E500 (MY SUNDAY DRIVER) 1993 190E SPORTLINE LE W/ M104 SWAP 1997 C230 2002 ML320 2000 BMW 528I (WIFEY'S CAR) "Excuses are crutches for the unfounded."
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#6
03-25-2003, 12:29 PM
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I did a lot of research on this a few months back. In a nutshell:
The cheapest "good" fluid is Valvoline SynPower DOT4 fluid. You can buy this easily, almost anywhere, as most McParts stores carry it for ~$5 per quart. It has pretty high wet & dry boil temps. This stuff is great for your daily driver cars and can take mild performance driving too. If you don't mind paying a little more, the ATE SuperBlue and Type 200 (Gold) is even better. This is the stuff I'd use for high-perf street use. It will last 2-3 years and has VERY high wet/dry boil points. It's about $10-$12/quart and you usually have to order it, I have never seen a local supplier. All the other super-duty fluids like Castrol SRF, Motul, etc are great for racing but either eat rubber seals, absorb moisture quickly and must be changed every few months, cost a bloody fortune ($30-$120/quart), or all of the above! IMO, forget those unless you are serious about roadracing AND are boiling the ATE fluid. Otherwise the ATE stuff mentioned above is fine. For the record I use SynPower in my "slow" cars and ATE in my "good" cars. Regards,
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#7
03-25-2003, 04:49 PM
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Ate Typ 200/Uber Blau
I run the Ate stuff; it's reasonably priced, readily available, and with the coloring makes it easy to alternate & know when the old stuff is fully flushed.
I have boiled it, but that was because I ran the wrong pads (read: non-track) in the 1st place!
__________________
"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss Michael 2014 E63S Estate 2006 SLK55 1995 E500 1986 Porsche 944 turbo
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#8
03-26-2003, 10:15 AM
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GSXR: Read my post and see the comparisons of the brake fluid. Only the Castrol eats rubber seals.
I have used the Motul in everyone of my cars since 1995, never with any issues. My current Benz has Motul going on two years now. Motul also absorbs less water than any other fluid (except Castrol).
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#9
03-26-2003, 10:22 AM
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Rik,
I agree, it's great stuff. My beef with the Motul is the cost. It's double (or more?) the cost of ATE SuperBlue & Type 200, and IMO, most people don't need boil points THAT high. if you are boiling the ATE, then yes, you need to spend 2x and move up to the Motul. I just don't think everyone needs the level of performance the Motul provides. Great stuff, though! I almost went with it myself until I compared prices... 
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#10
03-26-2003, 12:43 PM
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I understand, but the price your paying for the ATE fluid is roughly the same as what I pay locally for Motul.
http://www.mammothmotorsports.com/products.asp?dept=1023&pagenumber=4 These guys have it for $9.95 a bottle and I have seen it on the net for as low at $8 a bottle. Thats very reasonable IMO.
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#11
03-26-2003, 12:53 PM
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That's what I thought - at first! But isn't ATE about $10 per liter bottle and Motul about $10 per half-liter bottle? Or did I make a boo-boo?
Last edited by gsxr; 03-26-2003 at 06:52 PM.
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#13
03-26-2003, 06:28 PM
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2PHAST, are you saying all castrol brake fluids eat up the seals or just the SRF??????????
__________________
Rich 1990 300CE 71 Chevelle SS 454
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#14
03-27-2003, 10:13 AM
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Ok, this is what I know. The Castrol SRF is a pure racing fluid and is designed as such. Most race cars either have their brake systems flushed after each race and/or calipers rebuilt, so the issue of a brake fluid eating away at the caliper seals is irrelevant for a race car. On a street car, its a different story.
Mallet Corvette used to use Castrol SRF on all their conversions till they discovered this problem, they sent out notices to all their customers recommending that they change their brake fluid and not to use Castrol SRF anymore. I have also heard from numerous other people about the problem.
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