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  #1  
Old 05-06-2013, 04:14 PM
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E Brake 300E

How do you adjust the emergency brake on a 91 mercedes 300E
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  #2  
Old 05-06-2013, 04:53 PM
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Join Date: Oct 2004
Posts: 1,501
There is a cable slack adjuster beneath the car forward of the differential a bit. There are also adjusters on each side under the rotor, accessed through a lug bolt hole. They adjust very similar to almost every drum brake setup on the road. Pretty much a threaded adjuster sets the un-applied distance between the shoes. That should be correct before adjusting the cable.
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90 300TE 4-Matic 280k mi

Turbo Prepped OM103 4-Matic Longblock, 3 dregree cam advance
.42/.48 T3 Turbo 11-18 PSI, Air to Water Intercooler, 40 LB/HR Injectors
Megasquirt MS II Extra, 60-2 Direct Coil Control with Kompressor Flywheel
Full 3" Exhaust, 1 Catalyst, 2X Magnaflow, AEM Wideband O2
Underdrive Alt. and P/S Pulleys, with Auto Tensioner
Lightweight CLK wheels, Vented Rear Brake Discs, .034 Brake Booster.
3.07 Front and Rear Diff, 1st Gear Start
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  #3  
Old 05-07-2013, 12:51 PM
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Join Date: Mar 2013
Posts: 26
E brake 300E

Ok thank you very much. I saw that hex head bolt protruding from the back of the spring mechanism that sqeezes the two brake cables. Didnt want to touch it before i had more info. So i take it clockwise will tighten. And as for the adjustment behind the rotor... do i just tighten till it stops?
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  #4  
Old 05-07-2013, 02:23 PM
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Join Date: Oct 2004
Posts: 1,501
In the wheel you tighten the adjuster until the wheel wont turn then back off just enough that it starts to turn again. Then adjust the cable, shoot for 5 to 7 clicks at the pedal.
__________________
90 300TE 4-Matic 280k mi

Turbo Prepped OM103 4-Matic Longblock, 3 dregree cam advance
.42/.48 T3 Turbo 11-18 PSI, Air to Water Intercooler, 40 LB/HR Injectors
Megasquirt MS II Extra, 60-2 Direct Coil Control with Kompressor Flywheel
Full 3" Exhaust, 1 Catalyst, 2X Magnaflow, AEM Wideband O2
Underdrive Alt. and P/S Pulleys, with Auto Tensioner
Lightweight CLK wheels, Vented Rear Brake Discs, .034 Brake Booster.
3.07 Front and Rear Diff, 1st Gear Start
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  #5  
Old 05-07-2013, 03:01 PM
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Join Date: Mar 2013
Posts: 26
E brake 300E

Im sorry. I dont mean to keep buggin you but i dont see anything thru the lug holes. Ive turned the rotor around and around. Just dont see an adjuster.
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  #6  
Old 05-07-2013, 03:25 PM
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Join Date: Mar 2013
Posts: 26
E brake 300E

Ok i found it. Thank you so much for your help.
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Old 05-07-2013, 03:25 PM
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