[R129 SL] R129LIST Digest, Vol 31, Issue 7

[Jan Kuylaars]

Dave.
You are the first who react on my gearbox story, and tell the same story
as my mechanic friend, who workes at the mercedes dealer.
So i will change the filter , perhaps the dealer never done this and i
drove 40 000 km with it. When it never has changed in 250000 km it can
be clogged.
I had a 127 model with 320 000 km an a perfect gearbox. And i drove
myself 450000 km with a 119 model hand shifted without problems.
 
thanks
Jan.

-----Oorspronkelijk bericht-----
Van: r129list-bounces at mbcoupes.com
[mailto:r129list-bounces at mbcoupes.com] Namens Lowanover at aol.com
Verzonden: woensdag 18 juli 2007 6:37
Aan: r129list at mbcoupes.com
Onderwerp: Re: [R129 SL] R129LIST Digest, Vol 31, Issue 7



Hi Jan,
 
I have owned several Mercedes. I currently have a 1998 SL600, with a
sealed transmission that I can't check the oil level on. I also had a
1992 300E which I recently gave my to my son. That car has 400,000 km on
it, everything original and runs perfectly. I have done my own
maintenance on it over the years but have never replaced anything on the
engine or transmission. 
 
On one ocaision a few years ago I noticed the transmission was slipping
badly. I drove it home slowly and checked the fluid and found nothing on
the dipstick! I looked under the car and discovered that one of the
cooling hoses had cracked, and drained most of the oil. I replaced the
hose and filled it up, and it still runs and shifts perfectly to this
day. I say this because in my experience Mercedes transmissions are
pretty tough, I find it hard to imagine that having a little extra oil
would destroy the transmission. Obviously you shouldn't be overfilling
it, but I think you would have to put a lot more in it than you had
before doing damage. I think I am guilty of overfilling some of my other
Mercedes in the past, but have never had a problem.
 
 That is not to say that some internal part of the transmission, such as
a pump, couldn't fail and cause your problem. You could easily drain the
fluid and drop the oil pan and see if there are any metal pieces, and
you could change the filter too, which if clogged could cause problems.
You can even drain the torque converter with a little extra work. But if
you hear grinding noises then obviously there is a more serious problem.
Here in the States a rebuilt one can be found for around $2000. Labor
extra. Hopefully if your transmission is bad you can find one for a
reasonable price. Good luck!
 
Dave
 
 




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