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THE MB140 SCHOOL

THE MB140 SCHOOL

Passion, observation, restoration of the legendary Mercedes-Benz W140 S-class (1991-1998)

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  • Ins
  • GuidemapHow to better understand the categories of this website and read it appropriately.
  • ArticlesCollection of written works about the 140 from different aspects.
    • EpistemologyAuthentic passion regarding history, impression and investigation.
      • History
      • Impression
      • Investigation
    • MethodologyRestoration journal, parts review and photograhping experience.
      • Parts
      • Restoration
      • Photoreception
    • SeminarOngoing advanced research.
  • Public ArchiveThe collection of historical documents providing 140 contents.
    • Genuine ReleaseOfficial Mercedes-Benz prints include press and marketing information.
      • Press Photo
      • Owner’s Manual
      • Sales Brochures
      • Press Information
      • Internal Publications
    • Public RecreationThe 140-related literatures and items created by third parties include magazines and toys
      • Models & Toys
      • Auto Magazines
      • Literature Books
  • EncyclopædiaThe reference work providing summaries of general 140 statistics.
    • TechnologyIn-factory comprehensive knowledge regards developing and manufacturing.
      • Technical Modifications
      • Sonderausstattungen Code (SA CODE)
    • StatisticsOut-factory comprehensive statistics regards marketing and sales
      • Color Library
      • Global Delivery Data
      • Production Numbers
  • AboutA brief introduction of this site and people who inspired ,invented it
    • Family MembersCurrent fleet include preserved, restored examples and ongoing projects.
      • Cougar, 1992 500 SEL
      • Nonna, 1993 S 320
      • Octavius, 1993 S 600
      • Chimera, 1994 S 500 Coupe
      • Furi, 1994 S 320
      • Beatrice, 1996 S 600 Sonderschutz
      • Ruby, 1996 S 600
      • Big Apple, 1997 S 420
      • Bianca, 1998 S 320
      • Persian Kitty, 1998 S 280
      • Ongoing Projects

Category: Parts

Parts

Parts: Facelift Taillights

03/31/202603/31/2026
How often do you encounter issues like this? The appearance of a part is critically important—any carelessness can directly affect the car's overall image. This means that even when ordering…
Parts

Parts: W140 key’s evolution

10/12/202510/12/2025
The key for the W 140 is one of the most common questions in ownership. Why do some users say their keys still work, and why are some refused by…
Parts

Parts: Model Badge on Trunk Lid

07/04/202507/04/2025
In the past, the discussion of parts was often between genuine MB parts and other manufacturers. Today we are talking about genuine parts only, and the potential troubles they can…
Parts

Parts: The Perfect Defective Moulding

05/31/202505/31/2025
In the past, when people think of the reputation of Mercedes-Benz, their first impression may not be lavish or opulence, but it must be indestructible. The high-quality parts that make…
Parts

Parts: Front Control Arm Rubber Bushing

01/11/202501/15/2025
It's been a while since this series has been updated, we're slowly finding new parts worth our time on the go. The front lower control arm rubber bushing is a…
Parts

Parts: Propeller Shaft Flex Disc

07/07/202407/07/2024
This is a review that started more than half year ago. We tried to confirm that a strange phenomenon was not accidental, so as not to cause some misunderstanding. When…
Parts

Parts: Windshield washer sight glass

05/12/202410/17/2024
In the past, "Restoration" articles have always been more general, as I recorded them briefly in a bookkeeping-like manner. Because there are so many tasks that cannot be described in…
Parts

Parts: Front Shock Absorbers

01/27/202401/27/2024
In the past, we have always found that OE manufacturers do not retail parts of the same quality as Genuine parts. Typically they keep the Genuine part production in Germany…
Parts

Parts: Steering Damper comparison

12/31/202301/12/2024
In past part comparisons, febi Bilstein has always been tested as a secondary target, either as a substandard product or as a mere foil. In order to change this atmosphere…
Parts

Parts: Control Arm Ball Joint comparison

11/23/202312/27/2023
The 140's lower control arm ball joint is a wear-and-tear component, with today's supplies, I've found that no matter which brand I choose, they don't last long. So today’s topic…
Parts

Parts: Idler Arm Bearing from MAYBACH

10/10/202310/14/2023
Following the last steering tie rod, we are still working on the steering system as we are still working on it at this moment. This time it's a relatively unassuming…
Parts

Parts: Steering Tie Rod comparison

09/23/202311/09/2023
Parts is a new album used to record mb140.school’s observation log of parts. This album will share static evaluations of some commonly used parts and materials from different manufacturers in…

Category Cloud

Family Members History Impression Investigation Ongoing Projects Parts Photoreception Restoration
Parts: Facelift Taillights

Parts: Facelift Taillights

How often do you encounter issues like this? The appearance of a part is critically important—any carelessness can directly affect the car’s overall image. This means that even when ordering parts from an authorized Mercedes-Benz dealer, one must proceed with caution. Perhaps there is no better example to discuss than taillights. Some people liken headlights…

by Yunce 03/31/202603/31/2026
Impression: Felice — Filling the Gaps

Impression: Felice — Filling the Gaps

In 2026, my approach to collecting W140s entered a more passive phase. I felt my collection had reached a kind of saturation, so I only took in donor cars with reuse value—just in case they might be needed in the future. In fact, since February 2024, I haven’t come across a single project that truly…

by Yunce 02/08/202602/08/2026
Restoration: Bau 3

Restoration: Bau 3

The most unexpected thing happened in 2025: we decided to leave behind a restoration facility that had been in use for barely over a year, and within just three months build—and move into—an even better location elsewhere. It was a headache of a beginning, and all I could do was find ways to amuse myself…

by Yunce 01/25/202601/26/2026
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