SpareRadar Mercedes-Benz GCC spec check

Mercedes-Benz VINs: the Baumuster, and the year that is not a year

Mercedes is the clearest example of a VIN position that a generic decoder reads confidently and gets wrong by a decade.

Is a Mercedes-Benz GCC spec?
The honest answer, before anything else on this page.

GCC specification is decided per vehicle, not per model. Two cars of the same model and the same year, built in the same factory in the same week, can go to different markets. So no page can tell you whether yours is a Gulf car, and this one does not try. What it can do is show you exactly what your own VIN encodes and where that stops.

How Mercedes-Benz builds a VIN outside America
The scheme, and why a general decoder struggles with it.

On a rest-of-world Mercedes, position 10 is the steering side and not the model year. A real 1991 500 E carries a 1 there, and a decoder applying the universal 30-year cycle answers 2001 with total confidence and nothing in the response to suggest it is wrong. Removing that answer is worth as much as adding a right one: a missing year visibly asks a human, a wrong year silently corrupts a parts lookup.

What replaces it is better than a year. Positions 4 to 9 are the Baumuster, Mercedes' own six-digit model designation, and positions 4 to 6 alone are the Baureihe, the chassis series. So even an unrecognised full Baumuster degrades to the right model family.

One real bug found in this table is worth recording, because it shows how this goes wrong. Position 11 is not one plant alphabet but three. On a van, S is Duesseldorf rather than East London in South Africa, and T is Charleston rather than Osnabrueck. Every van was getting a plant from the passenger car table. It is now split three ways, and where a van body appears under a passenger WMI the decoder asserts no plant at all.

Position by position
What each character carries on this maker's cars.
4 to 9
The Baumuster, Mercedes' own six-digit model designation
WDB210065 is a W210 E-Class. Positions 4 to 6 alone are the Baureihe, the chassis series, so an unrecognised full Baumuster still degrades to the right model family rather than to nothing.
9
Part of the Baumuster, not a check digit
Mercedes does not compute a conforming check digit outside North America. Of 21 sampled rest-of-world VINs, 18 fail mod-11 legitimately and 3 pass by coincidence, so the decoder does not validate it either way.
10
The steering side, not a model year
1 and 5 are left-hand drive, 2 and 6 are right-hand drive. A real 1991 500 E carries a 1 here and used to decode as a 2001 car: off by a decade with nothing in the answer to hint at it. The decoder now suppresses that year instead of publishing it.
11
Plant, read from one of three different alphabets
Mercedes reuses plant letters across its passenger, van and smart ranges. On a Sprinter or Vito, S means Duesseldorf rather than East London, and T means Charleston rather than Osnabrueck. Where a van body turns up under a passenger WMI the decoder asserts no plant at all, because nothing in the VIN says which alphabet applies.
World manufacturer identifiers
The first three characters, and the entity behind each. Country is where the vehicle was built, which is not where it was sold.
WMIBuilt byCountry of manufacture
4JGMercedes-Benz US International (Tuscaloosa)United States
55SMercedes-Benz U.S. International (Tuscaloosa/Vance, Alabama)United States
9BMMercedes-Benz do BrasilBrazil
VSAMercedes-Benz Espana SASpain
W1KMercedes-Benz AGGermany
W1LMercedes-Benz AGGermany
W1MMercedes-Benz AGGermany
W1NMercedes-Benz AGGermany
W1PMercedes-Benz AGGermany
W1RMercedes-Benz AGGermany
W1VMercedes-Benz AGGermany
W1WMercedes-Benz AGGermany
W1XMercedes-Benz AGGermany
W1YMercedes-Benz AGGermany
W1ZMercedes-Benz AGGermany
WD3Mercedes-Benz AGGermany
WD4Mercedes-Benz AGGermany
WDAMercedes-Benz AGGermany
WDBDaimler-Benz AG / Mercedes-Benz CarsGermany
WDCMercedes-Benz CarsGermany
WDDMercedes-Benz CarsGermany
WDFDaimler AGGermany
WDZMercedes-Benz USA (Sprinter)Germany
WMXMercedes-AMG GmbHGermany
What this decoder covers, and what it does not
Coverage claims here trail capability. If it is not listed, it does not resolve.

100 Baureihe rows covering the model families from the 1960s to today, plus 110 full Baumuster rows and a generated variant table that recovers trim, engine, displacement and cylinder count on export cars by recombining model line and hardware tier from separate American filings.

  • Mercedes emits no destination market at all, deliberately. Its rest-of-world WMIs also serve the American market, so there is no marker in the VIN to read and inventing one would be worse than silence.
  • The Baumuster and Baureihe contents, and the finding that Mercedes computes no conforming check digit, have not been independently verified against a fresh set of real VINs.

Mercedes-Benz models with their own page

Check a specific Mercedes-Benz

The free GCC spec check reads a VIN and gives a verdict with a certainty score and the evidence behind it. The full VIN decoder returns every attribute the decode resolves, with the source of each one.

Common questions

What does the tenth character of a Mercedes VIN mean?

On a rest-of-world Mercedes it is the steering side, not the model year. 1 and 5 mean left-hand drive and 2 and 6 mean right-hand drive. This is the single most common way a Mercedes gets mis-dated by an online decoder, because the digit is a perfectly valid year character and there is nothing to signal that it is being used for something else.

Why does my Mercedes VIN fail a check digit test?

Because Mercedes does not compute one outside North America. Of 21 sampled rest-of-world Mercedes VINs, 18 fail the mod-11 test legitimately and the 3 that pass do so by coincidence. A failure here says nothing at all about whether the VIN was typed correctly.