Monday, April 17, 2017

W211: Time For A Cool Down, 03 E500

Maintenance Log

Mileage: 272,733
Agenda: Replace broken hoses, flush cooling system of green garbage
People will always find a way to save a buck. If it can be fixed with something laying around the house or garage over spending money out of pocket, then it'll be done.  I've always found this ends up being more expensive in the long run, often times, because the materials used end up being more expensive than the actual part. In this case, a couple hose clamps and a piece of pipe are worth more than a new hose straight from the motherland....errr, Poland.

In this case, feast your eyes on this masterpiece!


I'm not entirely sure what happened here. Hose probably got cut by something, or might've burst from being weak. The hose itself is rock solid compared to the pliable rubber of the new one. There really isn't anything to cause a cut where this break must've been.

This is the coolant I use in these newer model Mercs. I've got stockpiles of G-05 for the early cars and stockpiles of G48 for the newer stuff. Honestly, if you're replacing in intervals of 3-4 years or 50-60k miles like I do, then it doesn't matter. I prefer the blue when it comes to finding the source of leaks.

New hose with some gaudy gold paint marker showing replacement date. It'll wear off in a couple thousand miles.

This little plastic hose is the main reason I started doing this work in the first place. While I was doing the spark plug work, it broke off at the nipple end and was spraying toasty coolant all over the place. I had a few humbling moments, imagining the damage to my crotch and my future completely void of my own kids. Luckily, it wasn't bad. Not entirely sure why it broke, but they're a OEM only item and nobody has them in stock. So I ordered one up through Mercedes and it was at my door in a couple days for less than any of the aftermarket parts houses.

Had the upper core support off as well - found this radiator was replaced (or atleast built) in 2010. She's not a cheap radiator either at $315! The more I dig into this car, the more it seems like it was fairly well maintained through its life. May just be a testament to the mileage.

Everything all buttoned up, refilled, and wiped down. I'll detail this engine bay eventually. I'm not going to invest much time into this car until it'll prove itself on some road trials. Planning on taking it up north with me in a couple weeks, so we'll see how she does!

So, parts.......

Coolant Reservoir Hose $34.60
Lower Radiator Hose $23.69
2 Gallons Zerex G48 50/50 $44.08

Total: $102.37
Labor Time: 1 1/2 hour

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