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Old 11-10-2008, 09:23 PM
MercedesOtto's Avatar
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Join Date: Dec 2005
Location: Georgia
Posts: 61
Upgrading to vented disc brakes on 1963 220 SEB.

I have some front axle spindles from a later W108 model that has larger discs than my 220SEB. I like to upgrade the brakes and while Iím at it to change the larger disc to the vented version.

1. Are the spindles the same between a V8 and I6 on a W108 car
2. Would this spindle fit on my 1963 W111 200SEB
3. What calipers would fit for the vented discs (other later model Mercedes)
Good Patina Comes With Good Miles Driven.
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220SEB 1963 (excellent driver with no rust but far from pretty)
300 TD Wagon 1981 (Daily Commuter Tractor)
911 MFI 1973
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Old 11-11-2008, 06:43 PM
280sd's Avatar
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I think you can just use the calipers and vented rotors from the 108; the calipers have to be specifically for the vented rotors as they are wider to accomodate the thicker rotor... I am 80% certain the front spindles are the same between all 108, 109, 110, 111, 112 and possibly others of the same period...

Last edited by 280sd; 11-11-2008 at 06:48 PM. Reason: clarification
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Old 11-11-2008, 07:23 PM
ja17's Avatar
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Location: Blacklick, Ohio
Posts: 238

the vented rotors off the W108 4.5 sedans have the ventilated rotors. 280sd is correct, the calipers must be off the same version with the ventilated discs. They must be wider than your originals. Brake pad size is the same on vented and non vented versions of the W108 cars. Your spindles should work the backing plates may be different.

I am currently swithching out an entire front suspension from a 220SE sedan (rally car). I am replacing it with a ventilated disc brake suspension out of a W108 4.5. I believe it will bolt right up. A rear brake suspension will go in next. Also a bolt up item.
Joe Alexander
Blacklick, Ohio
1964 220SE Rally (La Carrera Panamericana someday)
1966 Unimog 404s (Swedish Army)
1969 300SEL 6.3 (sold)
1969 280SL Pagoda
1973 280SEL 4.5
1974 450SLC FIA Rally car (standard trans)
1982 300D turbo (winter driver)
1986 560SEC
1989 Unimog FLU419 (US Army)
1991 300TE (wife)
2002 SLK 32 AMG (350 hp)
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Old 11-11-2008, 07:37 PM
winmutt's Avatar
85 300D 4spd+tow+h4
Join Date: Apr 2006
Location: Atl Gawga
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I am fairly certain they are interchangeable with W123/W126 calipers as well, the 2nd gen calipers/rotors are the biggest afaik. Certain 108's came in 4 pot calipers.
1987 300D Sturmmachine
1991 300D Nearly Perfect
1994 E320 Cabriolet
1995 E320 Touring
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1985 300D car, sold and missed.
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Old 11-14-2008, 08:43 AM
Jengasan's Avatar
1971 280SE 3.5 (Celia)
Join Date: Jan 2006
Location: Scotland
Posts: 88
I think you should be ok

I've helped with the non vented to vented conversion on a friends 108 (280se 2.8), while doing so our research showed us that :-

1) Yes the spindles are identical on the sixes and V8s (above car proved it)
2) Having discussed it we are pretty sure it would, but the 63' spindles should also be the same taper ? (mercedes only redesign something if they have to).
3) The calipers are sized to the width of the discs as others have noted here, so if not buying re-cons (they're actually quite cheap) you want the calipers from a V8 car, whether that's a 107, 108, 109 or 112. We used 107 discs and calipers on a 108 with it's original spindles.

The only things that wouldn't fit were the backing plates, having said that we didn't need to get others we simply 'modified' them to give clearance using a couple of taps from a hammer.

I presume you're not doing the back but as far as we could tell the rear brakes are all pretty much identical in terms of calipers and solid discs with internal handbrake shoes.

Have fun

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