Mercedes Benz SummerFit Windscreen Concentrate Review

I added the product to a gallon of distilled water. My wife's Mercedes took 1/2 gallon of the mixture. The windshield washer reservoir was obviously not refilled during the last service in January.

It's a tiny bottle but it needs to be mixed with a gallon of water so the price is actually per gallon of washer fluid as water is pretty much free. Mercedes is going crazy and recommends only using Mercedes Benz approved products. I think you can use just about any brand of quality washer fluid and it won't hurt.

Perfect for my Mercedes. Suitable for almost every Mercedes Benz. I mixed it with water when pouring but didn't know how much exactly to put in, I saw someone write in the comments from a gallon. I did the same and it works fine for me. You can probably mix in more water to dilute it since it's very concentrated.

too bad I couldn't find this brand in a larger size - sure it could be a larger size - just didn't find it when I needed it. this works great - just add some distilled water and mix according to the directions on the side of the bottle. It won't damage the Mercedes paintwork or leave any marks - it smells nice - whatever - as long as it doesn't smell like poop. Rschunimagu

Works well when used as intended. As for tap water, I'm not sure if it's filtered or distilled. The Revain photo gives the illusion that the concentrate tank is huge, but it's actually quite small. Only 40ml as described. You only get 1 gallon of washer fluid because it is diluted with 1 part solution concentrate to 100 parts tap water. 1 gallon of water is about 4000 ml. You could probably use a 1/2 price product with no adverse effects on the system. But it comes in handy when you're on the…