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| Slk55 Amg Brake Upgrade | |
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| Topic Started: Tue Apr 22, 2008 11:21 pm (1,042 Views) | |
| mb5032 | Tue Apr 22, 2008 11:21 pm Post #1 |
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This is how i accomplished the SLK55 brake upgrade. For your information my hubs are SL 129 type and the wishbones are with the replacable ball joint type. The SLK discs fit they have a 43mm offset from back of disc to hub. The calipers are where it gets interesting. The mounting holes are in the correct place, but need a 2.5mm washer to space them centrally to disc. The problem is the steering stop part of the hub stops caliper from fitting, The leg sticking down on the bottom right of hub. This has to be cut of and rounded of around caliper lower bolt hole.  Obviously you cant leave it without a steering stop. As the caliper bracket is in the same place as steering stop was i have fixed bolted a plastic stop to the wishbone which touches caliper bracket at full lock, this is a plastic block which is 16mm thick. The next thing i modified was the caliper as the brake line connection is in line with the steering arm bracket (same problem as trying to fit C32 brakes).  The triangular shaped bit at the back of the caliper has to be machined back by 20mm! To do this i removed the centre piston from back side of caliper blocked up the internal brake hole and then did the machining. I would recommend a machine shop do this. I drilled the brake pipe fitting hole 20mm deeper, then tapped it full length M10x1.0. Once thread was done i cut of 20mm with a hacksaw square with tapped hole and then filled it true. I then used fine glass paper and then finally used a sharpening stone to polish completely smooth. The reason for such measures on the end are because i am using a brake hose with a banjo bolt which seals on this polished end.  Caliper with banjo pipe bolted up.  Heres a close up banjo connection and position of steering arm.  The next thing i modified was the heat shields. I used the ones that are fitted to SL 129 with the 334mm discs.  You have to cut them were the caliper fits. Then repaint the edges.  So now we can assemble, on with heat shield, back on with hub.  Now on with disc, forgot the maintenance bolt that holds disc to the hub is in a different place. I have redrilled the hub as can be seen in the last photo. Decided better to redrill hub once instead of disc every time you change discs.  Then bolt on brake hose facing upwards and parrallel with caliper. Fit caliper with the 2.5mm spacers and longer bolts than standard these calipers come with 35mm bolts you need 45mm (45mm bolts were used on 500E and 190EVO2 only). The only real problem i had was with the Braided brake hoses. I ordered a set of Goodridge hoses as standard Mercedes 190 but with front ones having the caliper end changed to banjo end. The hoses came and i went to fit and the bodywork end of front hose was to small for bracket. Heres the standard hose setup.  So on the phone to Goodridge who said we have never had a query on this and that my car most be different than standard. I said i have 4 mercedes of this type and the bracket hole is the same on all of them about 16mm hole. In the end i popped to exeter the HQ of Goodridge with the old hose, but they dont have the correct end for Mercedes. So went through there catalogue and found they do a bulkhead fitting with a 5/8" thread which is a fraction under 16mm. This fits perfectly, has anyone had problems with this as the pipe should be solidly mounted. With new hose fitting.  And the finished setup. 
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| NEIL | Wed Apr 23, 2008 5:44 am Post #2 |
Fewer Posts than Kenny
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Christ, they are truly HUGE! Tested 'em yet? |
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| Downside190 | Wed Apr 23, 2008 6:50 am Post #3 |
W201 Junky
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wow! just wow! glad you did a guide on this as i'm sure many will find it usefull. Just remember to wear a seatbelt when you try them as i got a feeling they will produce some serious G's when braking! |
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| jeremy | Wed Apr 23, 2008 8:57 am Post #4 |
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I've got some cushions that you will need to fit to your grill , for when you go onto your cars nose............!!!!! Man thats an amazing set-up... jeremy  
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| mb5032 | Wed Apr 23, 2008 8:41 pm Post #5 |
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These brakes are much more powerfull than my old EVO11 setup. Havent given any hard treatment yet want pads to bed in properly first. |
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| big al merc | Wed Apr 23, 2008 8:55 pm Post #6 |
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brilliant conversion bow.gif bow.gif |
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| dave_irl | Wed Apr 23, 2008 9:11 pm Post #7 |
I love offset.
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Great thread. I just dont know which was the niftier mod, or I just like the way all of your solutions are so clean and logically executed. 
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| mb5032 | Mon May 5, 2008 6:28 pm Post #8 |
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Been asked for part numbers by a couple of you. So here goes. Discs A171 421 01 12 Caliper left A003 420 47 83 Caliper right A003 420 48 83 Pads A004 420 50 20 Backing plate left A129 420 18 44 Backing plate right A129 420 19 44 |
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| weneakhborz | Mon May 5, 2008 6:35 pm Post #9 |
Waynakh Borz
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oh my god.just great. |
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| Charles | Mon May 12, 2008 1:06 am Post #10 |
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Serious Brakes, but must be serious money too! |
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| cossie connoisseur | Mon May 12, 2008 11:30 am Post #11 |
fat tits
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tried entering them part numbers with MB but they did not reconize them, are they being thick? |
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| mb5032 | Mon May 12, 2008 1:50 pm Post #12 |
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They are being thick. |
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| cossie connoisseur | Mon May 12, 2008 1:52 pm Post #13 |
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fat tits
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cool, will try again |
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| Tim.W | Mon May 12, 2008 2:10 pm Post #14 |
Sportline Crazy
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how much did the whole conversion cost you? very sweet btw... bow.gif |
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| cossie connoisseur | Mon May 12, 2008 2:30 pm Post #15 |
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fat tits
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disks £419 calipers £381 pads £135 plates £42.60 pretty cheap tbh. right are there mods needed for the rear or will the balance still be ok on a 190? |
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| NEIL | Mon May 12, 2008 3:10 pm Post #16 |
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Fewer Posts than Kenny
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The disks are £210 EACH? More than the Calipers? What the **** are they made of? |
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| cossie connoisseur | Mon May 12, 2008 3:14 pm Post #17 |
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fat tits
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prices are individual and plus VAT |
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| NEIL | Mon May 12, 2008 3:18 pm Post #18 |
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Fewer Posts than Kenny
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So, to the man in the street, the front brakes alone will cost you a staggering £2297.36 including VAT. And you think that's cheap! Unless you're employed by MB and get 30% or more discount, I'd seriously look at Tar•Ox. |
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| cossie connoisseur | Mon May 12, 2008 3:24 pm Post #19 |
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fat tits
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the wonders of discounts
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| cossie connoisseur | Mon May 12, 2008 3:26 pm Post #20 |
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fat tits
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thats £1952.75 with our club discount
 plus any 'cash' discount 
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| NEIL | Mon May 12, 2008 3:27 pm Post #21 |
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Fewer Posts than Kenny
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Do you have to upgrade other parts of the system, ie Servo / Master Cylinder, lines, etc? I assume 17s are required to clear them, too? Just so you know, a Tar•Ox 6-Pot kit for the 2.3/2.5-16 can be had from MSW for £1537.52 inc VAT, and a 10-Pot kit for £1765.47 inc VAT... |
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| dave_irl | Mon May 12, 2008 3:28 pm Post #22 |
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I love offset.
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Or  for a full bolt on conversion... Still four figure sums but at least with a € prefix..
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| mb5032 | Mon May 12, 2008 5:04 pm Post #23 |
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The only reason i did this conversion was that i got the discs for £100 the pair part worn. I also get very good discount. |
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| Sev | Sat May 24, 2008 6:39 am Post #24 |
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No Longer a Registered Member
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RADDEST brake swap onto a 190 everrrrrrrrrrrrrrrrrrrrrrrrrrrr |
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| toff190 | Sat May 24, 2008 4:50 pm Post #25 |
190 Mob Member and a Wise Guy.
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Fu@k me ! that's more than my cars worth :lol: |
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| carl mcgraw | Sun May 25, 2008 2:52 pm Post #26 |
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I seem to think that someone on here was running 8-pots a while back? Oh yeah, that was me on the turbo :lol: :lol: |
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| Maki | Tue May 27, 2008 10:26 am Post #27 |
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And i have pics from them when we were at the Ring
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| NEIL | Tue May 27, 2008 10:41 am Post #28 |
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Fewer Posts than Kenny
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Don't be shy then, get 'em up! 
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| mb5032 | Thu Aug 7, 2008 2:04 pm Post #29 |
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Thought you might be interested SLK55 AMG rear brake upgrade to be posted soon. This consists of 4 piston calipers and 330mm discs. Will post pictures when i fit them. |
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| mb5032 | Sun Sep 7, 2008 9:57 pm Post #30 |
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Here is the SLK55 AMG rear brake upgrade. I used all SLK parts, backing plate, discs, calipers and pads. Here is the hub assembly stripped of car. I then removed wheel bearing so as i could fit new backing plates, i know you can cut the originals, thats not my way of doing things. The next thing was to fit new backing plate.  The problem with the backing plate is that Mercedes redesigned the way it is connected on these later model cars. We have two pins near the brake cable inlet, the new ones have two bolts. We have three bolts holding plate on, new ones have two plus the two i allready mentioned. This is not a problem you just drill out the two 8mm holes near brake cable inlet 12mm clearance, then you mark and drill three new holes to match position of the 190/124/129 ones. Here its bolted in place with ss cap heads.  Heres hub bolted back on car.  The caliper and disc fit perfectly with no spacers. bolt straight on. Heres the finished job with braided brake lines.  |
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| cossie connoisseur | Sun Sep 7, 2008 10:02 pm Post #31 |
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fat tits
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work of art! |
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| NEIL | Mon Sep 8, 2008 6:30 am Post #32 |
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Fewer Posts than Kenny
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Another amazing piece of work, done properly. Serious progress here, I like your attention to detail, it feels like the upgrades are done exactly how MB or AMG would approach them. We do generally want to see more pics of your car, even if it's just parked up in the rain! What's the interior like? |
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| dave_irl | Mon Sep 8, 2008 11:47 am Post #33 |
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I love offset.
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Nice attention to detail on the plates, thats definitely your modus operandi.. If you didnt have to swap the plates though, you would not have had to strip out the hubs & carrier right? |
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| mb5032 | Mon Sep 8, 2008 9:50 pm Post #34 |
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Thats correct, it was all stripped to fit the plates. You can bodge it and cut them as an alternative. |
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| dave_irl | Mon Sep 8, 2008 10:11 pm Post #35 |
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I love offset.
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What would your thoughts be on not running the plates at all? Even just on the rear.. |
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4:34 AM Nov 25
