This particular car is a one previous owner 2001 SLK 230, barrillo red. I bought the car over the phone and never saw anything but pictures before I picked it up. The search took me two months and I finally found what I was looking for at Mercedes Benz Omaha. What are you thinking when you order a 2 seater sports car with an automatic transmission? I find that mystifying. I've discovered that only about 10 percent of these have manual transmissions. The R170 version of the SLK was only made from 1998 through 2004, averaging about 10,000 US versions each year. I live in the Rockies and the mountain folk aversion to rwd vehicles is near legendary so my search took me well out of my area. You can't go wrong with any approved oil, and M1 0w40 is widely considered the best due to its technical characteristics and excellent test results.The experience put me in the market for a replacement. Having said that, truly approved oils (Redline isn't approved I believe) meet really high performance characteristics including cleaning and starting viscosities. M1 0w40 has a much higher VI than Castrol. To some extent ignore the slightly higher HTHSV of oils like M1 0w40 and compare the VI. Find the right spec sheet and then compare the TDS / PDS of oils on there that you can buy in Italy. So it is the UK poster who is giving the wrong advice, in no small part due to a characteristic lack of rigor / attention to detail. Similarly, discounting 30 weight oils because they are 30 weight oils discounts 30 weight oils that meet MB specs.Īnd then lastly listing alternative viscosities rather than the MB sheet is the final piece of useless information as it implies a wide range of oils are suitable when they are not. They generally allow 30 or 40 weight oils that meet a myriad of tests under their 229.5 spec including a min HTHSV of 3.5.īy saying Magnatec 10w40 is suitable, based on a UK bias and because it is a 40 weight, completely ignores that it does not meet MB229.5 spec. Indeed, you went by SAE viscosity which is not how MB spec their oil. There is simply no basis for saying US posters familiar with MB requirements are going to give the wrong advice. Right now they have turbos and twin turbos in the US that definitely need more robust oil, the same oil recommended in Europe. They also have many engines in the US that are also sold in Europe. MB are consistent around the world with their oil specs. The US posters advised him to use MB spec oils. Though your current choice is not a bad one by any means.Īnd if it is working for you why change what works! This shows that the engine can take a lot of different viscosities as long as they meet the MB spec. Here is a list of alternative viscosities from the European Castrol site which was pretty much the same as that published by Mobil. You will find that some of the opinion on the site can be more relevant to the US based driver and whilst given in good faith and well thought out I suspect UK usage is probably closer to your usage.Įspecially as you have a supercharger to look after.Ī 0w30 or 5w30 would likely be fine but is fine good enough for you? I would not drop down to a 0w30 or 5w30 myself especially if you like to enjoy the power regularly. I think it will come down to what is widely available and I have never been to Italy so don't know what is easy to find. You could also consider Castrol Edge 0w40 or a cheaper alternative would be 10w40 Castrol Magnatec (A3, B4). Personally I would use Mobil 1 New Life 0w40.
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