S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Spring Cleaning

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Old Mar 31, 2021 | 01:47 PM
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Depends on the weather
Spring Cleaning

It's that time of year.










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Old Mar 31, 2021 | 02:20 PM
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2023 S500
Have you used the Gunk Engine Protector before, and if so how satisfied are you with it over the long term?
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Old Mar 31, 2021 | 02:28 PM
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Depends on the weather
Originally Posted by DaleB
Have you used the Gunk Engine Protector before, and if so how satisfied are you with it over the long term?
I have. It does a really great job at keeping everything looking clean for a long time, basically next Spring. It doesn't seem to attract dust like you would think it would and build up.

I use the cleaner and degreaser first and then the protector after I dry everything really good.




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Old Mar 31, 2021 | 02:40 PM
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Nice, thanks. There used to be an engine detail kit sold... it may have been from Gunk, I'm not sure. It has a can of degreaser, and a can of spray/bake detailer. You'd soak it down with the degreaser (kerosene or mineral spirits in a spray can, basically), hose it off, then spray on the other can. After a short drive to dry it on, the engine bay looked fantastic.

And of course, it would be a TOTALLY UNACCEPTABLE way to treat a Mercedes engine!! From the degreaser to the hose, it would be a disaster to try it on an M275. But, my EcoBoost and my wife's Volvo 3.0 I6 looked great. Anyway, I've been looking for something to spiff up the engine bay since I can't find that stuff any more -- and I couldn't use it on the Mercedes, even if I did find it.
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Old Mar 31, 2021 | 07:13 PM
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Depends on the weather
Originally Posted by DaleB
Nice, thanks. There used to be an engine detail kit sold... it may have been from Gunk, I'm not sure. It has a can of degreaser, and a can of spray/bake detailer. You'd soak it down with the degreaser (kerosene or mineral spirits in a spray can, basically), hose it off, then spray on the other can. After a short drive to dry it on, the engine bay looked fantastic.

And of course, it would be a TOTALLY UNACCEPTABLE way to treat a Mercedes engine!! From the degreaser to the hose, it would be a disaster to try it on an M275. But, my EcoBoost and my wife's Volvo 3.0 I6 looked great. Anyway, I've been looking for something to spiff up the engine bay since I can't find that stuff any more -- and I couldn't use it on the Mercedes, even if I did find it.

I've read horror stories about using a house/pressure washer on the engine bay. I didn't use my pressure washer but I did use my hose. I haven't driven the car in several day and the engine was cold so I covered every electrical connector with aluminum foil (shown in the first 2 pics), sprayed Gunk cleaner everywhere and let it sit for 10 minutes and then liberally sprayed the entire engine bay with a low/medium setting with the garden hose. I let it air dry and then wiped it down with microfiber towels. It sat for the day and started right up with no issues. With every electrical connector covered and not sprayed directly, I wasn't worried at all.
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Old Apr 1, 2021 | 04:55 PM
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2013 S550 4MATIC
Good work but that looks just a tad too shiny. You sure it does not collect any dust? Because that looks like a dust magnet. Below is my S500 engine bay using Chemical Guys products. It comes out very clean and it has a factory

satin finish which does not attract any dust.
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Old Apr 1, 2021 | 05:02 PM
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Depends on the weather
That was literally right after just spraying it before it dried lol. It looks like tire shine until it dries.
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