STD Tuning Brakes w126 first gen on a w123

w126 first gen on a w123

w126 first gen on a w123

 
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MTUPower
looking for more power on a daily driver

288
03-01-2008, 10:13 PM #1
MB w123's ) all have solid rotors. I've had two cars that had small issues with the calipers sticking and then the fluid "boiled" and I had excessive brake fading. That can be scary. I've found out that the first gen w126 (280se/l, 380se/l and 500se/lEDIT- and on the 300sd) calipers and rotors can be swapped directly into a w123- it's plug and play. You must swap both the calipers AND rotors. You will not get more braking power but the w126 is vented and the w123 is solid- so you will have more cooling- less chance of brake fading....

Here is the w123 rotor

[Image: N100016089BAL.JPG]

and here is the w126 rotor[Image: N100016595BAL.JPG]
Better braking is needed when you have more HP.... Wink

2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's
MTUPower
03-01-2008, 10:13 PM #1

MB w123's ) all have solid rotors. I've had two cars that had small issues with the calipers sticking and then the fluid "boiled" and I had excessive brake fading. That can be scary. I've found out that the first gen w126 (280se/l, 380se/l and 500se/lEDIT- and on the 300sd) calipers and rotors can be swapped directly into a w123- it's plug and play. You must swap both the calipers AND rotors. You will not get more braking power but the w126 is vented and the w123 is solid- so you will have more cooling- less chance of brake fading....

Here is the w123 rotor

[Image: N100016089BAL.JPG]

and here is the w126 rotor[Image: N100016595BAL.JPG]
Better braking is needed when you have more HP.... Wink


2005 CDI heavily modified 1984 300TD - Myna pump/TMIC/enlarged PC's/HX30Super/W126 II front brakes/Vogtland springs/EGT +Boost gauges/H4 Hella's

ForcedInduction
Banned

3,628
03-02-2008, 05:11 AM #2
It is also found on the Diesel W126 models.
ForcedInduction
03-02-2008, 05:11 AM #2

It is also found on the Diesel W126 models.

TheDon
606 Power!!

247
03-02-2008, 10:11 PM #3
Plus you do have a wider option of brake discs. Brand wise (Brembo), as well as cross drilled and slotted.

I discovered this when my parts guy sent me W126 discs by accident(they were brembo's.. but a name is a name)
TheDon
03-02-2008, 10:11 PM #3

Plus you do have a wider option of brake discs. Brand wise (Brembo), as well as cross drilled and slotted.

I discovered this when my parts guy sent me W126 discs by accident(they were brembo's.. but a name is a name)

ForcedInduction
Banned

3,628
03-03-2008, 06:53 AM #4
If you don't want to go the used parts route, you can order rebuilt calipers and new rotors and use your old calipers for the core charge.
ForcedInduction
03-03-2008, 06:53 AM #4

If you don't want to go the used parts route, you can order rebuilt calipers and new rotors and use your old calipers for the core charge.

winmutt
bitbanger

3,468
03-03-2008, 05:38 PM #5
IIRC later 126's a slightly larger disc was used. IIRC, the last year W126 500 series had some a lighter caliper as well.

This upgrade is one of many on the list for me to do.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
03-03-2008, 05:38 PM #5

IIRC later 126's a slightly larger disc was used. IIRC, the last year W126 500 series had some a lighter caliper as well.

This upgrade is one of many on the list for me to do.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

winmutt
bitbanger

3,468
03-15-2008, 11:19 PM #6
Have you guys seen the newer ATE discs? They have a "wear detector" that is basically 2 rounded squares grooved into the surface. Practically slotted. I will probably go with the ATE unless I upgrade to the vented.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
03-15-2008, 11:19 PM #6

Have you guys seen the newer ATE discs? They have a "wear detector" that is basically 2 rounded squares grooved into the surface. Practically slotted. I will probably go with the ATE unless I upgrade to the vented.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

TheDon
606 Power!!

247
03-16-2008, 12:11 PM #7
another cool option is with the bigger(later gen) w126 brakes you also have the option of Zimmerman cross drilled rotors...
TheDon
03-16-2008, 12:11 PM #7

another cool option is with the bigger(later gen) w126 brakes you also have the option of Zimmerman cross drilled rotors...

pgringo
Naturally-aspirated

2
03-17-2008, 02:41 AM #8
i would not go with cross drilled. they are prone to cracking. even high dollar cross drilled end up cracking. i know a porsche club track racer who claims to have seen many. slotted and maybe cryo hardened is the goods.
pgringo
03-17-2008, 02:41 AM #8

i would not go with cross drilled. they are prone to cracking. even high dollar cross drilled end up cracking. i know a porsche club track racer who claims to have seen many. slotted and maybe cryo hardened is the goods.

winmutt
bitbanger

3,468
03-17-2008, 08:39 AM #9
pgringo i would not go with cross drilled. they are prone to cracking. even high dollar cross drilled end up cracking. i know a porsche club track racer who claims to have seen many. slotted and maybe cryo hardened is the goods.
Slotted are available as well iirc.

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
winmutt
03-17-2008, 08:39 AM #9

pgringo i would not go with cross drilled. they are prone to cracking. even high dollar cross drilled end up cracking. i know a porsche club track racer who claims to have seen many. slotted and maybe cryo hardened is the goods.
Slotted are available as well iirc.


1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42

JB3
Superturbo

1,795
04-22-2009, 09:54 PM #10
Are the 126 calipers a piston on either side as well? using the same principle as the 123, or do they use a slide?

1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

JB3
04-22-2009, 09:54 PM #10

Are the 126 calipers a piston on either side as well? using the same principle as the 123, or do they use a slide?


1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

kamel
Naturally-aspirated SUCKS

176
04-23-2009, 01:11 AM #11
AFAIK, they are the same as the 123, just larger. It has been over 8 months since I seen my calipers.

'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs
kamel
04-23-2009, 01:11 AM #11

AFAIK, they are the same as the 123, just larger. It has been over 8 months since I seen my calipers.


'78 300D, OM617.912: 4spd manual, TB03 at 10PSI, 26*BTDC, DV's turned, HVAC, emissions system removed, e-fan, short ram, 3" downpipe to straight exhaust, W126 Bendix brakes, MR2 Spyder seats. 2890lbs

JB3
Superturbo

1,795
04-23-2009, 08:31 PM #12
Aha! I see. This sounds like a great upgrade, especially since I am kind of experiencing the same kind of brake fade.

This may sound ridiculous, but several times I have read the word AFAIK on this forum and for some reason, assumed each time it was someones name!

Now I know better.

1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

JB3
04-23-2009, 08:31 PM #12

Aha! I see. This sounds like a great upgrade, especially since I am kind of experiencing the same kind of brake fade.

This may sound ridiculous, but several times I have read the word AFAIK on this forum and for some reason, assumed each time it was someones name!

Now I know better.


1974 240D 617 turbo swap, W201 5-speed, in the works project
1983 240D 616 stock, DD
1989 Chevy Astro, 617 turbo swap, T5 5-speed, 4.56 diff, work van

Motorhead
GT2256V

168
08-19-2009, 06:07 PM #13
I just found a '86 126 in the junk yard, it is a 420 and it is all there. How much of the brakes should I use from it, calipers/rotors & lines and anything from the rear? Hey does it have a LSD that I could use in my CD, if I didn't have 15" and 16" rims I would get the 15" chrome rims off of it.
Motorhead
08-19-2009, 06:07 PM #13

I just found a '86 126 in the junk yard, it is a 420 and it is all there. How much of the brakes should I use from it, calipers/rotors & lines and anything from the rear? Hey does it have a LSD that I could use in my CD, if I didn't have 15" and 16" rims I would get the 15" chrome rims off of it.

DeliveryValve
Superturbo

1,338
08-19-2009, 06:47 PM #14
(08-19-2009, 06:07 PM)Motorhead I just found a '86 126 in the junk yard, it is a 420 and it is all there. How much of the brakes should I use from it, calipers/rotors & lines and anything from the rear? Hey does it have a LSD that I could use in my CD, if I didn't have 15" and 16" rims I would get the 15" chrome rims off of it.

That's a 2nd Generation W126. They have bigger rotors. So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

The 420 didn't come with a LSD. Plus since it is 2nd Gen w126, it will not be a direct bolt in.

Surfrodder just recently installed his, so he'll be good to get more info from.

Gota love Mercedes Diesels!



.
DeliveryValve
08-19-2009, 06:47 PM #14

(08-19-2009, 06:07 PM)Motorhead I just found a '86 126 in the junk yard, it is a 420 and it is all there. How much of the brakes should I use from it, calipers/rotors & lines and anything from the rear? Hey does it have a LSD that I could use in my CD, if I didn't have 15" and 16" rims I would get the 15" chrome rims off of it.

That's a 2nd Generation W126. They have bigger rotors. So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

The 420 didn't come with a LSD. Plus since it is 2nd Gen w126, it will not be a direct bolt in.

Surfrodder just recently installed his, so he'll be good to get more info from.


Gota love Mercedes Diesels!



.

ForcedInduction
Banned

3,628
08-19-2009, 06:56 PM #15
(08-19-2009, 06:47 PM)DeliveryValve So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

You shouldn't need the spindles. Just the rotors, calipers and back plate.

You'll also need at least 15" wheels for them to fit.
ForcedInduction
08-19-2009, 06:56 PM #15

(08-19-2009, 06:47 PM)DeliveryValve So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

You shouldn't need the spindles. Just the rotors, calipers and back plate.

You'll also need at least 15" wheels for them to fit.

willbhere4u
Six in a row make her go!

2,507
08-19-2009, 07:29 PM #16
I think the backing plates are the same at least they where on my w123 and w116

1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running
willbhere4u
08-19-2009, 07:29 PM #16

I think the backing plates are the same at least they where on my w123 and w116


1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running

DeliveryValve
Superturbo

1,338
08-19-2009, 08:24 PM #17
(08-19-2009, 06:56 PM)ForcedInduction
(08-19-2009, 06:47 PM)DeliveryValve So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

You shouldn't need the spindles. Just the rotors, calipers and back plate.

You'll also need at least 15" wheels for them to fit.

My Bad, I meant to add that if you want to have ABS you would keep the spindles. W123 and W126 should be same.
(08-19-2009, 07:29 PM)willbhere4u I think the backing plates are the same at least they where on my w123 and w116

There have been reports the back plate rub with the bigger rotors.
This post was last modified: 08-19-2009, 08:25 PM by DeliveryValve.

Gota love Mercedes Diesels!



.
DeliveryValve
08-19-2009, 08:24 PM #17

(08-19-2009, 06:56 PM)ForcedInduction
(08-19-2009, 06:47 PM)DeliveryValve So you'll need to get the spindle/steering knuckle, rotors, backplate and calipers. Maybe the lines if they look new.

You shouldn't need the spindles. Just the rotors, calipers and back plate.

You'll also need at least 15" wheels for them to fit.

My Bad, I meant to add that if you want to have ABS you would keep the spindles. W123 and W126 should be same.
(08-19-2009, 07:29 PM)willbhere4u I think the backing plates are the same at least they where on my w123 and w116

There have been reports the back plate rub with the bigger rotors.


Gota love Mercedes Diesels!



.

ForcedInduction
Banned

3,628
08-19-2009, 08:58 PM #18
(08-19-2009, 07:29 PM)willbhere4u I think the backing plates are the same at least they where on my w123 and w116
For the wider genI W126 rotors they are, but Motorhead got a set of larger diameter genII brakes instead.
This post was last modified: 08-19-2009, 08:58 PM by ForcedInduction.
ForcedInduction
08-19-2009, 08:58 PM #18

(08-19-2009, 07:29 PM)willbhere4u I think the backing plates are the same at least they where on my w123 and w116
For the wider genI W126 rotors they are, but Motorhead got a set of larger diameter genII brakes instead.

willbhere4u
Six in a row make her go!

2,507
08-20-2009, 11:36 AM #19
ah ok makes seance good to know!

1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running
willbhere4u
08-20-2009, 11:36 AM #19

ah ok makes seance good to know!


1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running

Motorhead
GT2256V

168
08-20-2009, 08:48 PM #20
Cool, I guess I will be in Pic-a-part on Sunday morning. I also seen a N/A '79 300 with a center inlet long runner intake, I have to stick to basics right now and get my pile going.
Hey what gear ratio do you think would be in that 420, can I just R&R the pig and stuff my stock axles in it?
This post was last modified: 08-20-2009, 08:53 PM by Motorhead.
Motorhead
08-20-2009, 08:48 PM #20

Cool, I guess I will be in Pic-a-part on Sunday morning. I also seen a N/A '79 300 with a center inlet long runner intake, I have to stick to basics right now and get my pile going.


Hey what gear ratio do you think would be in that 420, can I just R&R the pig and stuff my stock axles in it?

bricktron
'77 240D

174
09-26-2013, 04:54 PM #21
i know the second do not, but do the first gen W126 rotors fit in 14 inch wheels?

edit: kept reading and it sounds like the answer is yes, but with no size increase over the W123 ones, just vents.
This post was last modified: 09-26-2013, 04:57 PM by bricktron.


english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




bricktron
09-26-2013, 04:54 PM #21

i know the second do not, but do the first gen W126 rotors fit in 14 inch wheels?

edit: kept reading and it sounds like the answer is yes, but with no size increase over the W123 ones, just vents.



english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




DeliveryValve
Superturbo

1,338
09-27-2013, 01:47 AM #22
(09-26-2013, 04:54 PM)bricktron i know the second do not, but do the first gen W126 rotors fit in 14 inch wheels?

edit: kept reading and it sounds like the answer is yes, but with no size increase over the W123 ones, just vents.

Yes that is correct. They are the same diameter as the w123 rotors, but vented and thicker which requires the w126 calipers to work.

I have this setup on my car and I think front vented rotors are imperative to have.


.

Gota love Mercedes Diesels!



.
DeliveryValve
09-27-2013, 01:47 AM #22

(09-26-2013, 04:54 PM)bricktron i know the second do not, but do the first gen W126 rotors fit in 14 inch wheels?

edit: kept reading and it sounds like the answer is yes, but with no size increase over the W123 ones, just vents.

Yes that is correct. They are the same diameter as the w123 rotors, but vented and thicker which requires the w126 calipers to work.

I have this setup on my car and I think front vented rotors are imperative to have.


.


Gota love Mercedes Diesels!



.

bricktron
'77 240D

174
09-28-2013, 12:01 AM #23
OK, but don't you have to do rather a lot of braking to overheat the rotors? for racing, or even driving down a mountain, i can understand this; when does it come up for you?


english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




bricktron
09-28-2013, 12:01 AM #23

OK, but don't you have to do rather a lot of braking to overheat the rotors? for racing, or even driving down a mountain, i can understand this; when does it come up for you?



english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




DeliveryValve
Superturbo

1,338
09-29-2013, 11:58 AM #24
I guess the use of the word "imperative" seems pretty dramatic. But you can have the potential for brake fade at any time in an emergency hard braking situation. Brake fade leads to longer stopping distance.

Couple of examples for my peace of mind i get with vented brakes.. I often drive over the Grapevine on the I5 which sometimes requires avoiding crazy drivers doing the unexpected going down the mountain. I'm also in constant stop and go driving in 100 plus degree ambient temperatures.
This is pretty much normal driving I do, but I would think on the hilly streets of San Fran, you should definitely consider this upgrade. City stop and go driving as well as stopping on a down hill should help with that performance.


.

Gota love Mercedes Diesels!



.
DeliveryValve
09-29-2013, 11:58 AM #24

I guess the use of the word "imperative" seems pretty dramatic. But you can have the potential for brake fade at any time in an emergency hard braking situation. Brake fade leads to longer stopping distance.

Couple of examples for my peace of mind i get with vented brakes.. I often drive over the Grapevine on the I5 which sometimes requires avoiding crazy drivers doing the unexpected going down the mountain. I'm also in constant stop and go driving in 100 plus degree ambient temperatures.
This is pretty much normal driving I do, but I would think on the hilly streets of San Fran, you should definitely consider this upgrade. City stop and go driving as well as stopping on a down hill should help with that performance.


.


Gota love Mercedes Diesels!



.

bricktron
'77 240D

174
09-30-2013, 02:33 PM #25
fair enough. is it well known at what rotors temperature the brakes suffer fade? i have a handheld infrared thermometer and i would like to sample their temperature right after heavy braking to get a sense of the risk here. as far as i know, i have never experienced brake fade in any car, but i could be wrong.

i can't deny that the vented rotor is better, just trying to prioritize other things given my limited bandwidth.

on a somewhat positive note, i squealed the tires for the first time this morning!


english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




bricktron
09-30-2013, 02:33 PM #25

fair enough. is it well known at what rotors temperature the brakes suffer fade? i have a handheld infrared thermometer and i would like to sample their temperature right after heavy braking to get a sense of the risk here. as far as i know, i have never experienced brake fade in any car, but i could be wrong.

i can't deny that the vented rotor is better, just trying to prioritize other things given my limited bandwidth.

on a somewhat positive note, i squealed the tires for the first time this morning!



english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




lgreeley83
Mr. Rumbles

775
09-30-2013, 10:16 PM #26
Don't know temp but yeah for squealing tires.

Back burner for you I think. Qatar is flat Isn't it? I'd say wait for a need to upgrade. If your calipers go out replace with the upgrade. If you find them cheap in a junk yard get them.

" straighten up that star on the grill, assholes."

lgreeley83
09-30-2013, 10:16 PM #26

Don't know temp but yeah for squealing tires.

Back burner for you I think. Qatar is flat Isn't it? I'd say wait for a need to upgrade. If your calipers go out replace with the upgrade. If you find them cheap in a junk yard get them.


" straighten up that star on the grill, assholes."

DeliveryValve
Superturbo

1,338
10-01-2013, 07:33 PM #27
(09-30-2013, 02:33 PM)bricktron fair enough. is it well known at what rotors temperature the brakes suffer fade? i have a handheld infrared thermometer and i would like to sample their temperature right after heavy braking to get a sense of the risk here. as far as i know, i have never experienced brake fade in any car, but i could be wrong.

i can't deny that the vented rotor is better, just trying to prioritize other things given my limited bandwidth.

on a somewhat positive note, i squealed the tires for the first time this morning!

My understanding is regular stock brake pads are made to fade around 300°-350°C. Performance pads are made to fade about 400°-700°C.


Btw- I have a core set of 1st gen calipers I can let go cheap cheap cheap. You can rebuild them or trade them in for rebuilds. PM me if interested.

Gota love Mercedes Diesels!



.
DeliveryValve
10-01-2013, 07:33 PM #27

(09-30-2013, 02:33 PM)bricktron fair enough. is it well known at what rotors temperature the brakes suffer fade? i have a handheld infrared thermometer and i would like to sample their temperature right after heavy braking to get a sense of the risk here. as far as i know, i have never experienced brake fade in any car, but i could be wrong.

i can't deny that the vented rotor is better, just trying to prioritize other things given my limited bandwidth.

on a somewhat positive note, i squealed the tires for the first time this morning!

My understanding is regular stock brake pads are made to fade around 300°-350°C. Performance pads are made to fade about 400°-700°C.


Btw- I have a core set of 1st gen calipers I can let go cheap cheap cheap. You can rebuild them or trade them in for rebuilds. PM me if interested.


Gota love Mercedes Diesels!



.

swampmonkey
hx40 super

280
10-03-2013, 05:48 PM #28
have second generation myself 1991 w126, works great.

looks front tires without problem doing 60mph and with 225/45r17 wheels
Great feeling to have that stopping power Smile

and a tad extra pressure and the rear locks up too, with stock rebuilt calipers and new discs.
This post was last modified: 10-03-2013, 05:48 PM by swampmonkey.

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
10-03-2013, 05:48 PM #28

have second generation myself 1991 w126, works great.

looks front tires without problem doing 60mph and with 225/45r17 wheels
Great feeling to have that stopping power Smile

and a tad extra pressure and the rear locks up too, with stock rebuilt calipers and new discs.


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

willbhere4u
Six in a row make her go!

2,507
10-04-2013, 04:04 PM #29
I had w116 300sd front and rear calipers/rotors on my 240d turbo project same dimensions but vented. It worked great I got all of it for free off a parts car it was all brand new with less than 100 miles. next time i'll go with the 2nd gen w126 brakes.

1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running
willbhere4u
10-04-2013, 04:04 PM #29

I had w116 300sd front and rear calipers/rotors on my 240d turbo project same dimensions but vented. It worked great I got all of it for free off a parts car it was all brand new with less than 100 miles. next time i'll go with the 2nd gen w126 brakes.


1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running

sassparilla_kid
diesel > all other fuels

1,618
10-04-2013, 07:52 PM #30
What about wagons? I hear they have larger rear calipers?

-1982 300D Turbo, 280k miles, ALDA apparently maxxed, fram 8038, 12 lbs boost, non-egr manifolds, W/M injection, 4 brake light mod, Gen II w126 front rotors/calipers, 4-speed swap
In the works: A/W IC, adjust pump, turbo rebuild (w/60 trim comp wheel)
-1980 300SD, 110k, project car. Goal is to get it lookin' like it did on the showroom floor (body and interior wise, not necessarily under the hood )
-1974 240D, FRESH PAINT!!!!!!
sassparilla_kid
10-04-2013, 07:52 PM #30

What about wagons? I hear they have larger rear calipers?


-1982 300D Turbo, 280k miles, ALDA apparently maxxed, fram 8038, 12 lbs boost, non-egr manifolds, W/M injection, 4 brake light mod, Gen II w126 front rotors/calipers, 4-speed swap
In the works: A/W IC, adjust pump, turbo rebuild (w/60 trim comp wheel)
-1980 300SD, 110k, project car. Goal is to get it lookin' like it did on the showroom floor (body and interior wise, not necessarily under the hood )
-1974 240D, FRESH PAINT!!!!!!

swampmonkey
hx40 super

280
10-05-2013, 05:16 AM #31
i think the w115 is supposed to have 38mm calipers at back, while the w123 has 42mm, other than that, i dont know about any other difference, even the late w126, and early w123 are supposed to be the same. at the back.
This post was last modified: 10-06-2013, 06:00 AM by swampmonkey.

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
10-05-2013, 05:16 AM #31

i think the w115 is supposed to have 38mm calipers at back, while the w123 has 42mm, other than that, i dont know about any other difference, even the late w126, and early w123 are supposed to be the same. at the back.


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

bricktron
'77 240D

174
10-06-2013, 12:09 AM #32
thanks. i'm afraid i really want the 2nd gen brakes - but still haven't found a wheel that would let me keep the color hubcaps. so i am stuck on this one.


english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




bricktron
10-06-2013, 12:09 AM #32

thanks. i'm afraid i really want the 2nd gen brakes - but still haven't found a wheel that would let me keep the color hubcaps. so i am stuck on this one.



english red rat rod 1977 240D, OM617.952 burning B99.9, iron 4-speed & 2.88 diff, 195/60/R14 on alloys, 5mph bumpers, battery in the trunk, 25mm swaybar, 4x ECE H4 lamps, double brake lamps, deleted sunroof, export zoll & california blue plates




swampmonkey
hx40 super

280
10-06-2013, 06:02 AM #33
(10-06-2013, 12:09 AM)bricktron thanks. i'm afraid i really want the 2nd gen brakes - but still haven't found a wheel that would let me keep the color hubcaps. so i am stuck on this one.

yep, 15" steelies is rare, and 15" hubcaps even more so.
looking for hubcaps for a complete sleeper look, mudflaps, hubcaps and not noticable lowered. 14" isnt an option with the front brakes changed.

go for first gen w126, they arent bad, and if you are not supposed to go racing on track, they will probably be more than enough Smile

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
10-06-2013, 06:02 AM #33

(10-06-2013, 12:09 AM)bricktron thanks. i'm afraid i really want the 2nd gen brakes - but still haven't found a wheel that would let me keep the color hubcaps. so i am stuck on this one.

yep, 15" steelies is rare, and 15" hubcaps even more so.
looking for hubcaps for a complete sleeper look, mudflaps, hubcaps and not noticable lowered. 14" isnt an option with the front brakes changed.

go for first gen w126, they arent bad, and if you are not supposed to go racing on track, they will probably be more than enough Smile


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

DeliveryValve
Superturbo

1,338
10-07-2013, 08:33 PM #34
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

Gota love Mercedes Diesels!



.
DeliveryValve
10-07-2013, 08:33 PM #34

(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.


Gota love Mercedes Diesels!



.

swampmonkey
hx40 super

280
10-08-2013, 07:46 AM #35
(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?

(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?
This post was last modified: 10-08-2013, 07:47 AM by swampmonkey.

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
10-08-2013, 07:46 AM #35

(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?

(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

DeliveryValve
Superturbo

1,338
10-08-2013, 05:08 PM #36
(10-08-2013, 07:46 AM)swampmonkey
(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?

Taking a quick measurement. Approximately 38mm vs 36mm.

.

Gota love Mercedes Diesels!



.
DeliveryValve
10-08-2013, 05:08 PM #36

(10-08-2013, 07:46 AM)swampmonkey
(10-07-2013, 08:33 PM)DeliveryValve
(10-04-2013, 07:52 PM)sassparilla_kid What about wagons? I hear they have larger rear calipers?

Yes they have larger pistons, larger than the w116 and w126.

that was new to me!
good to know, how large? diameter etc?

Taking a quick measurement. Approximately 38mm vs 36mm.

.


Gota love Mercedes Diesels!



.

 
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