Go to the 190SL Club Website. Click on Technical information then scroll down to hose clamps. They have a lot of information on those early clamps. You can get your education about clamps there. It even shows how to use the complex band stye clamp. You do not need to be a member. Most types are the same as used on the W113 cars. You just need to identify the ones you need for the Pagoda. You can research that on this site. Once you get the information you can find the clamps from different sources. Pete Lesler, a member on this group, sells a complete set for a reasonable price and he will even supply information on where they go for your specific year Pagoda. It will vary depending on the year slightly. He has done the hard research work and this might be your best resource. Otherwise, if you have the time to invest, many other suppliers have the clamps at various prices, including the MB dealer, since some are still available from the factory. Almost all the suppliers listed on this site have some or all of them. Prices will vary widely! I would definitely try to reach Pete.