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rpmdiag, Tech and Instructor
Category: Mercedes
Satisfied Customers: 6701
Experience:  Since 1975
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I have a 1986 560SL, 85,000 miles. Car runs/drives fine..

Customer Question

Hi, I have a 1986 560SL, 85,000 miles. Car runs/drives fine.. until today. engine turned over for about 2 seconds & stopped. It turns over, etc, but will not start. I smell NO gas.. so assuming some sort of fuel delivery issue... maybe fuel control module and/or fuel filter replacement? guessing I should do both? suggestions? thx, Steve
JA: Does the engine turn over? How old is the battery?
Customer: engine turns without any difficulty... battery from fall of 2013
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I checked the fuse box, removed the air cleaner, visually looked for a relay/reset of some sort...
JA: Anything else you think the mechanic should know?
Customer: not really....
Submitted: 2 months ago.
Category: Mercedes
Expert:  rpmdiag replied 2 months ago.

Hi, welcome to JA. I’m Ron and I’ll be helping you today.
Before we get started though, Please understand that I don't know
your skill level or tools you have to assist us. Also understand that
I can't see, smell, hear, or touch the vehicle either, so patience is
appreciated. JA is a great Q/A site, but it does NOT replace a
repair shop.
My goal is to make you happy and get a great rating in return for
my time. Sometimes I have to give you bad news that I know you
didn’t want to hear, so please don’t shoot the messenger.

You first need to check the fuel pressure with a gauge, this will direct us where to go next.

Thanks, Ron