DIY Belt Replacement On M103 Mercedes(190e, 300e, 300se, 300ce) Link In Description

In this video, I will show you how to replace the belt on your Mercedes Benz Inline 6 m103 and what tools to use. I hope this helps you on your next job thanks for watching. If you would like to get this same belt I have click the link below to save time and headache looking for the right one!
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[@KlecksBane]

Normally it's an 8mm Alan key for the visco-fan.

[@sevenofnine1449]

in reality you didnt show much lol, waste of time.

[@thebenzhouse]

@@sevenofnine1449 good to know thank you for the feedback I'll work on it

[@djangoknight]

I ran into not being able to loosen my tensioner all the way. I can get it to loosen and tighten about 40%. Even backing off my 19mm even an extra turn or two, still won’t loosen enough to re install the new belt. I just installed this tensioner a-few years ago. Gonna remove this tensioner and install a new one. Bummer.

[@djangoknight]

I wonder if my shock is seized.

[@thebenzhouse]

That exactly what I was about to ask if you checked your shock it should be bad after a few years if you loosen the 19mm 1st then start to loosen the 13 at the top it should move the tensioner if it doesn't take off the bolt for the shock and then try it it's prob stuck

[@grantcapel9884]

I loosened both the 19mm and the 13mm but the tensioner isn’t moving at all? Am I supposed to do something else or is there a way to do this even though my tensioner is stuck all the way tensioned

[@thebenzhouse]

That should be all 🤔. Loosen the 19mm then loosen the 13mm on the top take a pry bar and try and move it maybe the tensioner is stuck 🤔

[@grantcapel9884]

@@thebenzhouse I have a feeling that my 13mm is broken/stripped. can rotate it but the long rod attached to it does not move at all. Ordered replacement adjuster + shock

[@marcusfinanger1116]

Was doing this today and I the previous owner didn't loosen the 19mm before the adjustment bolt so it's stripped the threads and instead of fixing it he just fitted a smaller belt😭 so now with the new correct belt I can't tighten the belt since the threads are stripped. Any ideas to how I can fix this?

[@thebenzhouse]

They sell a replacement part for that unfortunately you will have to remove the tensioner to get it because it sits behind everything but they do sell replacements parts so it's not 2bad just annoying sorry to hear that

[@marcusfinanger1116]

@@thebenzhouse thank you. I'll prob get it fixed its just annoying could've been a quick job but.

[@thebenzhouse]

@@marcusfinanger1116 yea most definitely man sorry to hear that unfortunately it happens 😞

[@grantcapel9884]

How did you replace the shock for the tensioner? I'm not sure how to go about it. Also im trying to replace my tensioner adjuster (the screw that you loosen) but Im not sure how to. Any tips? Do i have to take out the whole entire tensioner assembly?

[@thebenzhouse]

The tensioner adjuster you have to take out the assembly regardless but the shock you only have to remove the 2bolts and that's it it's a bolt on bottom and a bolt and nut on the top

[@grantcapel9884]

@@thebenzhouseyou’re a big help, I’m trying to remove the power steering and water pump pulley to get the idler assembly out. How did you remove the pulleys? I’ve taken off the 3x13mm bolts but the pulleys won’t budge. Also - I know you said you were putting an electric fan instead of the clutch fan. Did you ever do it? I need to replace mine

[@thebenzhouse]

@@grantcapel9884 if you took off all 3bolts just tap it a few times to get it off it sounds like it's just stuck on the assembly itself don't be scared to hit it and yes we do have the electric fans hooked up I can totally make a video showing how we did that if you would like at the moment I'm doing a request on how to bypass the neutral safety switch

[@grantcapel9884]

@@thebenzhouse That fan video would be super cool man. I'm trying to get my car operational ASAP but I don't know what fan to buy or how to wire it. Which fan did you buy and did you have it set up with a thermometer somehow to where it turns on whenever it reaches 90degree?

[@thebenzhouse]

@@grantcapel9884 no I have it on the whole time I live in AZ so it needs to run the whole time 🤣

[@cellfox89]

Sheeeesh, that's a sweet engine, sounds. Stay cool out there

[@benzgirl2012]

Very detailed and right to the point like always great video!

[@AjBenz-w7m]

Great video I love the diy steps you do for the m103 motor perfect right to the point!

[@thebenzhouse]

Thanks man I'll be done by a few more just like it

[@Unc_Talks]

Nice work fam. I went to try to start the sportline today and the pumps sounded like ass. Maybe because I got the cheapest ebay ones possible. LOL. So back to replacing the pumps again.. SMH.

[@thebenzhouse]

Yea we learned the hard way with the fuel pumps for sure we purchased about 10 because we are always buying fixing and selling these cars talk about a total waste of money you just have to get the good ones it will save you money and time in the long run we've been stuck on the side of the road because of crappy pumps. Btw what sportline do you have that's awesome

[@Unc_Talks]

@@thebenzhouse This is Marcus bro. I told you I watch all your videos. Lol 🤘🏿

[@thebenzhouse]

@Unc_Talks that's awesome man thank you for the support much appreciated 😁