Best, Easiest Brake Upgrade W124 300TD
Best, Easiest Brake Upgrade W124 300TD
24v rear rotor and calliper is larger diamater but same thickness.
On the front, there is no need to change the LCA. You cut the dust shield back, so your ABS sensor remains. fit the rotor and calliper. bleed.
BUT - and this is a PITA topic to address. "some" - not all, LCA's (early replaceable balljoint versions) will need the casting flash on the outside of the balljoint area ground back a little, otherwise the rotor will contact and score badly. If the wheel bearings are not correctly preloaded, it will also occur.
Braided hoses make a difference to the pedal feel. The best "upgrade" would be to find a wrecked r129 500SL and take the whole front end incl spindle and LCA and rear hub, rotor calliper from it and fit it up. take the m/cyl and booster at the same time. Probably more trouble than you wanted to take on.
but the cheapest option is simply upgrade the front callipers and rotors to the 4 piston w124 24v versions, as they bolt up to what you have on the car and do not significantly increase the unsprung mass.
If you're going to abuse the car's brakes, then the r129 option is better.
Getting back to the topic, the most logical and straightforward ECONOMICAL swap is to simply use w124 24v front callipers & rotors, and the late e320 wagon rear rotor & calliper (vented)
24v rear rotor and calliper is larger diamater but same thickness.
On the front, there is no need to change the LCA. You cut the dust shield back, so your ABS sensor remains. fit the rotor and calliper. bleed.
BUT - and this is a PITA topic to address. "some" - not all, LCA's (early replaceable balljoint versions) will need the casting flash on the outside of the balljoint area ground back a little, otherwise the rotor will contact and score badly. If the wheel bearings are not correctly preloaded, it will also occur.
Braided hoses make a difference to the pedal feel. The best "upgrade" would be to find a wrecked r129 500SL and take the whole front end incl spindle and LCA and rear hub, rotor calliper from it and fit it up. take the m/cyl and booster at the same time. Probably more trouble than you wanted to take on.
but the cheapest option is simply upgrade the front callipers and rotors to the 4 piston w124 24v versions, as they bolt up to what you have on the car and do not significantly increase the unsprung mass.
If you're going to abuse the car's brakes, then the r129 option is better.
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