Author Topic: Best radiator fluid for a 230 SL  (Read 1415 times)

McBenz

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Best radiator fluid for a 230 SL
« on: May 22, 2020, 18:04:34 »
I just drained my cooling system and would like to replace the radiator fluid with what works best for our older engines and the aluminum parts related to the cooling system. I see that there is a blue G48 out there that seems to be recommended for MB vehicles. Not sure if its mainly for newer engines or not. Over the years I have used mainly the old style Preston (lime green). Is there a favorite out there for our older, aluminum parts based cooling system?

Thanks,

Mark
1965 230 SL (Family Owned Since June 1965)
1974 Porsche 914 2.0L
2000 LX470 100 Series LandCruiser

FGN59

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Re: Best radiator fluid for a 230 SL
« Reply #1 on: May 22, 2020, 19:02:50 »
MB sells its own formula referenced MB 325.0 that is the recommended coolant for our engines.
François

1994 Toyota Land Cruiser SW HDJ80 4.2L diesel
sold:
1969 280SL US specs, 4-speed manual, beige-grey (726H), parchment leather
1962 Jaguar MK2 3.8L (4.2L XJ6 engine), black, tan leather interior
1968 Peugeot 204 roadster, white, black interior
1955 Massey Ferguson TEF20 diesel tractor 😁

mrfatboy

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Re: Best radiator fluid for a 230 SL
« Reply #2 on: May 22, 2020, 19:42:23 »
1969 280sl (Aug 1968 build)
Signal Red
4 Speed

McBenz

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Re: Best radiator fluid for a 230 SL
« Reply #3 on: May 24, 2020, 04:24:19 »
great, thanks guys.
1965 230 SL (Family Owned Since June 1965)
1974 Porsche 914 2.0L
2000 LX470 100 Series LandCruiser

FGN59

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Re: Best radiator fluid for a 230 SL
« Reply #4 on: May 24, 2020, 07:23:31 »
By the way, it says so on the container, but the formula must be mixed with an equal amount of pure (distilled) water (1 for 1)
François

1994 Toyota Land Cruiser SW HDJ80 4.2L diesel
sold:
1969 280SL US specs, 4-speed manual, beige-grey (726H), parchment leather
1962 Jaguar MK2 3.8L (4.2L XJ6 engine), black, tan leather interior
1968 Peugeot 204 roadster, white, black interior
1955 Massey Ferguson TEF20 diesel tractor 😁

McBenz

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  • USA, TX, CELINA
  • Posts: 44
  • Both car and owner from Stuttgart
Re: Best radiator fluid for a 230 SL
« Reply #5 on: May 24, 2020, 22:09:38 »
got it.
1965 230 SL (Family Owned Since June 1965)
1974 Porsche 914 2.0L
2000 LX470 100 Series LandCruiser