Wire Harness/ignition Wires

[92300SE]

Last couple of days I have been reading a lot of posts regarding
possible issues with the M104 engine(that I have in my 92 w140),
I noticed everybody mentioned wire harness issues on 93-95
models,what about my 92(build in fall of 91).Why I am concerned?
Yesturday I started my car briefly in the morning,just to move it
on the other side of the driveway...30 sec.,was cold outside,
32F,everything was fine,when I restarted 6 hours later
it started kind of jerky in 5 cyl.,almost quitting,after I pressed the gas slowly a couple of seconds it start running smoothly again...,maybe a little flooded
from short start in the morning?,or old spark plug wires?,I just
bought the car 1000 miles ago,it ran flawless so far...,only did
highway driving so far.