When you are asking questions related to your car, it could be easier to answer, if you post the first digits of the chassis number. This is a great help because MB uses a coding system that is described in:
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Unfortunately, the description is in Italian language. But you might find it useful and relatively easy to understand. FOR YOUR SAFETY DON'T POST THE WHOLE NUMBER. Skip the last 4-6 digits.An essential lexikon: Cambio = Gearbox Benzina = Petrol Significato = Meaning Telaio = Chassis Motore = Engine (*) From 1953 until 1959, if the last digit of the chassis is "1", the car was including factory installed tissue sliding roof.
Bye bye from Italy. Cordy