Quote:
Originally Posted by gsxr
The 93-95 has 25mm thick rotors, so the thinner (22mm) 1992 rotors will bolt up to a later car, but at the end of the pad life the pistons could be dangerously close to coming out of their bores. The break was by model year, not production date... all 1992's should have the 22mm rotors, all 1993-up should have the 25mm rotors. It's also possible that someone installed used calipers at some point from the "wrong" car.
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They didn't do the 25mm upgrade until production date mid 11/92 (also same 25mm rotors are in 94-95 E320/E420)
You can run minimum thickness 22.4mm rotors but the center vents must be at least 10.5mm wide (not 8mm like predecessor 400E, they will rub inside the caliper because of a small lip protruding down), and you must run the thicker pads.
My car was lucky to be included in the upgrade (since it was made in 11/92) it has ASR (with snow chain switch that allows additional (upto 25mph) wheel spin, heated seats, phone cabling (phone & mount were gone when I bought it), Mercedes labeled 6 CD changer. About every option except the rear window shade (windows are tinted 18% anyways)
I dislike having the cap & rotors since my previous 96 C280 had the coil packs, though I don't mind having the upgraded 275 hp vs the 92's 268 hp