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View Poll Results: I have a 1987 300sdl with 325,000 miles on it. The transmission (factory) finally shit the bed, so I
replace the transmission 17 94.44%
parts the car 1 5.56%
Voters: 18. You may not vote on this poll

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Old 12-14-2005, 10:02 PM   #1 (permalink)
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Date registered: Jul 2005
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transmission rebuild

I have a 1987 300sdl with 325,000 miles on it. The transmission (factory) finally shit the bed, so I decided to go ahead and have a remanned put in for $2500. My fiance and a majority of my friends think I am nuts... But here's the picture: A solid chassis, very little rust (which I want to fix down the road), comfortable, but slightly worn front seats, the still solid suspension was completely rebuilt about 100k ago and an engine that purrs. How many of you think I am nuts and how many of you approve? I plan on taking this car as close to a million as possible as I know the life of the engines.
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Old 12-14-2005, 11:52 PM   #2 (permalink)
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RE: transmission rebuild

If you really like the car then I say fix all the problems and make it look like new. If you are financially able to.
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Old 12-15-2005, 12:19 AM   #3 (permalink)
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RE: transmission rebuild

Quote:
How many of you think I am nuts and how many of you approve? I plan on taking this car as close to a million as possible as I know the life of the engines.
Me for one. What am I missing???...can you take the Benz to 1 MILLION w/out a tranny????...I don't think so.Is the wifey on your back?
Fix it !!!

1980-1991: 300 SD/ SDL und 350 SDL (W 126)
Drei Diesel-Generationen in der Baureihe 126

300 SD: Bewährte 1. Generation
1979 fand die Präsentation der neuen 126er-Baureihe statt. In dem Lastenheft der neuen S-Klasse stand die Optimierung der Aerodynamik sowie Einsparungen im Gewicht ganz oben, und Verbrauch sowie Fahrleistungen lagen deutlich besser als beim Vormodell. Unter der schönen neuen Haut verbarg sich die verbesserte Technik des W 116. Auch der Motor des weiterhin nur für Amerika hergestellten 300SD wurde im wesentlichen unverändert übernommen, hatte allerdings mittlerweile 125PS, was den Fahrleistungen etwas zugute kam.

Der amerikanische 126er der ersten Serie hat charakteristische viereckige "sealed-beam" Scheinwerfer, die es in ähnlicher Form sonst nur beim 190er gab. Die mächtigen verchromten Stoßstangen waren modernen Stoßfängern aus Kunststoff gewichen, die sich sehr viel besser in das Gesamtbild einfügten, aber immer noch um einiges größer waren als bei den Modellen für den europäischen Markt. Im Design stellt der W126 die Verbindung zu den modernen Mercedes-Modellen dar. Die letzte "klassische" Evolutionsstufe war der W 123, und die erste "moderne" Form der 190er (W 201). Allerdings ist das Design des 126 ausgewogen und perfekt wie kaum ein anderer Mercedes.

300 SDL: Schnellere 2. Generation
1985 fand bei Mercedes der Modellwechsel in der Mittelklasse zum W 124 statt. Endlich wanderten auch von Grund auf neue Dieselmotoren unter die Haube und lösten die alten Typen ab, die im Prinzip noch auf den Ponton 190 D von 1959 zurückgingen. Auch die S-Klasse bekam im Rahmen ihres größeren Faceliftings 1985 den neuen Motor, wieder in der stärksten Version, die 3 Liter Hubraum, aber diesmal 6 Zylinder aufwies. Mit Turbolader ergab dies 150PS. Der neue Diesel wurde jetzt ausschließlich mit verlängertem Radstand angeboten und hieß darum 300 SDL.

Um den harten Abgas-Bestimmungen in den USA gerecht zu werden, hatten die Fahrzeuge alle einen Rußfilter. Dieses Bauteil sollte dem SDL zum Verhängnis werden, denn als es Probleme mit diesen Filtern gab, wurde der SDL 1988 endgültig aus der Produktion genommen. Nachdem in den frühen 80er Jahren außer dem 380 SEL alle in den USA angebotenen Mercedes-Modelle einen Dieselmotor hatten, blieb davon 1988 für eine Zeitlang nur noch der 190 D übrig!

350 SDL: Schadstoffarme 3. Generation
Die Verringerung der Schadstoffe bei Dieselmotoren kann beim heutigen Stand der Technik leider nicht einfach mit Katalysatoren oder Filter erreicht werden, sondern erfordert eine grundlegende Überarbeitung des Motors. (Darum auch die Probleme, dem 123er Diesel mit einem Rußfilter beizukommen.) Beim neuen W 140 war der Dieselmotor jedoch auch für den deutschen Markt eingeplant, und ein entsprechend leistungsfähiger, schadstoffarmer Motor war 1989 serienreif: 3,5 Liter, 6 Zylinder, und wieder 150PS Leistung. Nach alter Tradition wurde der neue Motor noch für zwei Jahre in einem alten Modell angeboten. Auf diese Weise konnte Mercedes-Benz langsam die Produktion hochfahren und noch in Ruhe Erfahrungen sammeln, die dem W 140 dann zugute kommen konnten.

Dieses Modell war der 350 SDL, ab Juni 1990 auch als 350 SD mit normalem Radstand lieferbar, sicherlich der Höhepunkt des "klassischen" S-Klasse Diesel. Mittlerweile natürlich serienmäßig mit Airbag, Lederausstattung und allen elektrischen Extras. Bis zur Einstellung des W 126 im Jahre 1991 wurden nicht mehr viele 350 SD/ SDL hergestellt. Andererseits ist keine Mercedes-Limousine bisher so lange in Produktion geblieben, wie eben der W 126, der immerhin gleich drei Generationen von Dieselmotoren miterlebt hat. In Verbrauch (ab 9 Liter/100km) und Fahrleistungen (193km/h Höchstgeschwindigkeit für den 300 SDL) waren 300 SDL und 350 SD/ SDL bis heute die besten S-Klasse-Diesel, was sich wohl seit der Einführung des W 220 geändert haben dürfte!
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Old 12-15-2005, 12:23 AM   #4 (permalink)
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RE: transmission rebuild

Quote:
MBZER - 12/16/2005 6:19 PM



1980-1991: 300 SD/ SDL und 350 SDL (W 126)
Drei Diesel-Generationen in der Baureihe 126

300 SD: Bewährte 1. Generation
1979 fand die Präsentation der neuen 126er-Baureihe statt. In dem Lastenheft der neuen S-Klasse stand die Optimierung der Aerodynamik sowie Einsparungen im Gewicht ganz oben, und Verbrauch sowie Fahrleistungen lagen deutlich besser als beim Vormodell. Unter der schönen neuen Haut verbarg sich die verbesserte Technik des W 116. Auch der Motor des weiterhin nur für Amerika hergestellten 300SD wurde im wesentlichen unverändert übernommen, hatte allerdings mittlerweile 125PS, was den Fahrleistungen etwas zugute kam.

Yes.... but what does it all mean???????
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Old 12-15-2005, 12:58 AM   #5 (permalink)
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RE: transmission rebuild

I think it means that benz owners are the cheapest bastards alive.

"should i fix my car or get another one"?< WTF !!!!

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Old 12-15-2005, 04:30 AM   #6 (permalink)
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RE: transmission rebuild

Hi there,

--------------------------------------------------
quote:
MBZER - 12/16/2005 6:19 PM



1980-1991: 300 SD/ SDL und 350 SDL (W 126)
Drei Diesel-Generationen in der Baureihe 126

300 SD: Bewährte 1. Generation
1979 fand die Präsentation der neuen 126er-Baureihe statt. In dem Lastenheft der neuen S-Klasse stand die Optimierung der Aerodynamik sowie Einsparungen im Gewicht ganz oben, und Verbrauch sowie Fahrleistungen lagen deutlich besser als beim Vormodell. Unter der schönen neuen Haut verbarg sich die verbesserte Technik des W 116. Auch der Motor des weiterhin nur für Amerika hergestellten 300SD wurde im wesentlichen unverändert übernommen, hatte allerdings mittlerweile 125PS, was den Fahrleistungen etwas zugute kam.
------------------------------------------------------

Yes.... but what does it all mean???????


I have NO idea what he's getting at, but here is the german to english translation:

- - - - - - - - - - - - - - - - - -
1980-1991: 300 SD/ SDL and 350 SDL (W 126) three Diesel generations in
the series 126

300 SD: Worked satisfactorily 1. Generation 1979 took place the
presentation of the new 126er-Baureihe. In the work statement of the
new s-class the optimization of the aerodynamics as well as savings
was located completely above in the weight, and consumption as well as
road performances were clearly better than with the Vormodell. Under
the beautiful new skin the improved technique of the W 116 hid itself.
Also the engine further only of the 300SD manufactured for America was
essentially unchanged taken over, had however meanwhile 125PS, which
benefitted the road performances somewhat.

The American 126er of the first series has characteristic square
"sealed beam" headlights, which gave it in similar form otherwise only
with the 190er. The powerful chromium-plated bumpers had yielded
modern bumpers from plastic, which inserted themselves very much
better into the overall view, but were larger still around some than
with the models for the European market. In the Design the W126
represents the connection to the modern Mercedes models. The last
"classical" evolution level was the W 123, and the first "modern" form
of the 190er (W 201). However is hardly the Design 126 balanced and
perfectly like another Mercedes.

300 SDL: Faster 2. Generation 1985 took place at Mercedes of the model
changes in the middle class to the W 124. Finally the old types moved
also from reason on new diesel engines under the hood and replaced,
which decreased/went back still in principle to the pontoon 190 D of
1959. Also the s-class got the new engine, again in the strongest
version, in the context of their larger Faceliftings 1985 which
indicated 3 litres capacity, but this time 6 cylinders. With
turbocharger this 150PS resulted in. The new Diesel was offered now
exclusive with extended wheel base and was called therefore 300 SDL.

In order to become fair the hard exhaust regulations in the USA, the
vehicles had all a soot filter. This component should become the SDL
the calamity, because when there were problems with these filters, the
SDL was taken 1988 finally from production. After in the early 80's
except that 380 SEL had all Mercedes models a diesel engine, remained
of it 1988 for for a while only the 190 D offered in the USA!

350 SDL: Low-pollution one 3. Generation the decrease of the
pollutants with diesel engines can be achieved with the today's state
of the art unfortunately not simply with catalysts or filters, but
requires a fundamental revision of the engine. (around also the
problems getting to the 123er Diesel with a soot filter.) With the
new W 140 the diesel engine was taken into account however also for
the German market, and an accordingly efficient, low-pollution engine
was 1989 series-ripely: 3.5 litres, 6 cylinders, and again 150PS
performance. After old tradition the new engine was offered still for
two years in an old model. In this way Mercedes Benz could collect
slowly production raising and still in peace experiences, which could
benefit the W 140 then.

This model was the 350 SDL, starting from June 1990 also as 350 SD
with normal wheel base available, surely the high point "classical"
s-class Diesel. Meanwhile naturally in series with Airbag, leather
configuration and all electrical extras. Up to the adjustment of the W
126 in the year 1991 no more many 350 SD/ SDL were manufactured. On
the other hand no Mercedes sedan remained so far as for a long time in
production, as evenly the W 126, which nevertheless saw equivalent
three generations of diesel engines. In consumption (starting from 9
Liter/100km) and road performances (193km/h maximum speed for the 300
SDL) were 300 SDL and 350 SD/ SDL to today the best s-class-Diesels,
which might probably have changed since the introduction of the W 220!
- - - - - - - - - - - - - - - - - - - -

[?][?]

If you want to keep on driving the car for whatever the reason, you fix/replace the transmission.

Done that kind of thing with my 20 year old Volvo several times over, during the last ten years.

Regards, MBL
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Old 12-15-2005, 05:22 AM   #7 (permalink)
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RE: transmission rebuild

re-build. Dont part it out!
Mike
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Old 12-15-2005, 08:06 AM   #8 (permalink)
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RE: transmission rebuild

you guys rock and just helped to ease the wifey's quelms about what I do with my car. And yes, I do want to restore the car. I have dreams of having a totally different car cosmetically next summer. Like I said, thanks again, you guys rock.
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Old 12-15-2005, 08:29 AM   #9 (permalink)
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RE: transmission rebuild

Just makes ya warm & fuzzy when ya see a dude being allowed to keep his benz & his WIFE !!!!

Think we should go in2 counseling ?

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Old 12-15-2005, 10:05 AM   #10 (permalink)
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RE: transmission rebuild

If that's the case my g/f should win some kind of an award..she lets me keep all my mercedes and throw ridiculous amounts of time and $$ into them;-)

If you don't mind my asking who is doing the rebuild on your trans?

Be sure you get a new/reman torque converter...

Also, make sure your guy flushes the Hell out of the lines/cooler.

W/ new transmissions I like to change the fluid/filter after about 1000 miles..it's a good way to know you have any particulate that was left behind/clutch plate material from break in, out.

Jonathan
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