If the pistons are in good condition then we re-sleeve the block & install new rings on the "good" used pistons. The old and new pistons must weigh with-in 5 grams of each other.
Having the same clearance on all of the pistons is the most inportant thing for compression on a diesel engine.
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)