Suspecting and knowing at your expense is just like putting your money on red and spinning the wheel to see what happens.

Replacing the ignition module (ICU) takes about 20 minutes, a couple of screws and connectors.


First, you are quick to criticize a shop that the owner has some confidence in. So tell us in this situation what you would want to "know" that the ignition unit was the problem. These cars don't store codes, which makes intermittent problems hard to find.

Second, few reputable shops are going to spend (uncompensated) time on the web looking for a used, non-returnable electronic part that may or may not be the correct one, and may or may not work when it arrives, and may not last more than a week. Then they have a PO'd customer on their hands. All this while the car sits on their premises while they wait for the part, in the way, subject to damage.

One thing I've learned is that the world looks a lot different when it's what you do for a living, rather than a hobby.

__________________
Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe