[W126 Coupe] Oil leak - transmission advice

Andrew Sporner asporner at googlemail.com
Sun Jun 22 03:36:04 EDT 2008


Hi,

I have an 82 500 SEC (189,000 Miles) and have had a slipping when the car was
cold (contrary to what I had heard) during acceleration between 2nd
and 3rd gear.
The car would go into a higher RPMs without additional speed. Last
year because
of an oil leak I burned out the transmission (would not shift any
longer at all) and had the
transmission rebuilt (admittedly I am skeptical about the work as this
guy got the
car into a fender bender and assured me that it was only a 300 EUR
affair. He said
he would handle it. Thankfully the insurance sent me a copy of the
estimate which
was over 2600 EUR!! He had planned to fix the headlight and pocket the rest! A
quick letter from my lawyer did the trick)

At first after the rebuild this behavior didn't exist but it is back
again. However I also
notice that my '96 C-180 does this too. Either its a "feature" or a
common problem.
the C-180 is also an automatic.

Is this a "feature" or a "failure"?


Andy

On Sun, Jun 22, 2008 at 7:59 AM, RONNY GEENEN <ronny.geenen at verizon.net> wrote:

>

>

> Jonathan says:

>

> The ONLY M1 you should be running is the 15/50 Extended

> Performance..this still has the zinc/phosphate that our engines Need.

>

> As for the trans, if it's slipping and adjusting the mod/changing fluid

> doesn't fix the problem it's time for a rebuild. I'd suggest using B&M

> trick shift....it's by Far my pref'd fluid for our transmissions.

>

>

> From what brand is the 15/50 Extended Performance and B&M trick shift?

>

> Ronny

> Glendora, Ca 91740

> 1987 560 SEC

> 1984 300 SD

>

>

>

> The MB Coupes Website!

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> Postings remain property of MB Coupes, L.L.C.

>



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