[W126 Coupe] Maintenance question-Now Brake Fluid Dot #

[Dick Spellman]

Hi Dean,

Check with Jonathan <blueridgemb at gmail.com>on the brake parts and go by 
his recommendation on the DOT 3 or 4.

I'd love an unadulterated 500 euro motor.  Good find.

Dick

Dean Slone wrote:

> Hi Dick,

>  

> Thanks for the come back ... the car is a 1981 Euro 500 SEC 

> Federalized into California USA in 1984. 

>  

> When you said early cars were DOT 3 I went and got the part number off 

> the reservoir.  Part No.: 3.3508 8073.1 ??????

>  

> Interesting that it has Mercedes markings on the reservoir body (with 

> MIN and MAX markings) and the cap is printed in English and German:

> "USE DOT 4 FROM ..." and the normal wipe of the cap statement but on 

> the inner circle of the cap is

> "NOT ORIGINAL BREMSUISSIGKEIT VERWENDENT" whatever that means?

>  

> The cap may be genuine and original. 

> The car has a shipment date of  02.12.1981(dd.mm.yyyy) and is one of 

> the first 500 built.  Many parts have weird numbers and or non 

> existant numbers. 

>  

> I was just curious if I should be using DOT 3 or DOT 4.  I think they 

> are interchangeable (unless the heat factor matters).  I recently got 

> the car and will have to replace rotors and pads soon.

>  

> Dean

>  

> ----- Original Message -----

>

>     *From:* Dick Spellman <mailto:dick.spellman at gmail.com>

>     *To:* Mercedes Coupes Mailing Lists <mailto:mbcoupes at mbcoupes.com>

>     *Sent:* Wednesday, July 22, 2009 7:06 PM

>     *Subject:* Re: [W126 Coupe] Maintenance question-Now Brake Fluid Dot #

>

>     Dean,

>

>     If the cap says DOT 4 replenish with same.  It's non-synthetic and

>     should be fine.  Early models have DOT 3 on the cap.

>     For reference purposes and for the benefit of others, what is the

>     model year/make with DOT 4 cap?

>

>     Regards,

>     Dick

>

>     Dean Slone wrote:

>>     The cap on my brake reservoir says to use DOT 4.  

>>      

>>     Wikipedia http://en.wikipedia.org/wiki/DOT_4  seems to say that

>>     the only diff between

>>     *DOT 3* 205°C (401°F) 140°C (284°F)  and

>>     *DOT 4* 230°C (446°F) 155°C (311°F) are the boiling points.

>>      

>>     I am not racing or driving in Death Valley in July so DOT 3

>>     should be alright even though the cap says DOT 4.  Correct?

>>      

>>     Dean

>>

>>         ----- Original Message -----

>>         *From:* Dick Spellman <mailto:dick.spellman at gmail.com>

>>         *To:* Mercedes Coupes Mailing Lists

>>         <mailto:mbcoupes at mbcoupes.com>

>>         *Sent:* Wednesday, July 22, 2009 9:46

>>         *Subject:* Re: [W126 Coupe] Maintenance question

>>

>>         Camran,

>>

>>         transmission kit components are:

>>         Pan Rubber Gasket

>>         Transmission Filter

>>         Torque Converter Plug seal (flat crush washer)

>>         Transmission Drain Plug seal (flat crush washer)

>>

>>         Order it up from Jonathan.

>>

>>         Brake Fluid is standard DOT 3 available anywhere.  If using a

>>         pressure bleeder pumped to 30 lbs as required to move fluid

>>         past the ABS pump, be sure and buy the two rubber brake

>>         reservoir caps from local MB dealer as these will be cracked

>>         if original and blow with the required pressure bleed. 

>>         Sequence is pass rear, driver rear, pass front, driver front.

>>

>>         Do you have a pressure bleeder set-up or need a reference?

>>

>>         I agree with preferred use of pre-mixed MB anti-sneeze fluid.

>>

>>         Regards,

>>         Dick

>>

>>         Camran Nassiri wrote:

>>>         I am getting ready to do a 30K maintenance routine on my 90

>>>         560SEC (70K miles total miles) and had a couple of questions.

>>>         1- the transmission filter kit at my parts shop is $17.99

>>>         and the dealer says $85.  Is there a difference?

>>>         2- Is dextron III the right fluid for the tranie?

>>>         3- Should I bother changing the differential fluid also?

>>>         4- I am flushing the brake lines and changing the coolant. 

>>>         I am getting those fluids from the dealer.

>>>         Thanks,

>>>         Camran 90 560SEC, 91 420SEL 80 240D

>>


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