hi, i've got to change the fluid on a mercedes benz e55 5 speed and the specified fluid is esso LT 71141, but this seems hard to find and the dealer is quite expensive. some universal atf's claim to satisfy this particular requirement, is it safe though? Some guys say theyve used redline D4 and had no problems, even smoother shifts. has anyone here used another fluid in place of LT 71141? thank you