OK, Here we go, my 1994 S600 sat for about three weeks. I did however purchase a new battery at my local MB Dealer about 3 months ago. I cranked my car about once a week , just to turn it over for about 2 or 3 minutes. Car has always cranked right away. I got in it yesterday cranked it up........it turned over but never cranked. I then took the battery and had it charged overnight. Installed the battery the next day and the same thing. I then pulled one of the plug wires off and had a friend turn it over. NO SPARK!! I then pulled the coil wire off and repeated the procedure. NO SPARK. My battery read 12.6 vlots on my multi meter. OK I know one of you guys have seen this or heard of it. PLEASE HELP !!!!!!!!!!!!!

Thanks Gang!

No spark could be lots of things, but a rather common fault
is the crankshaft position sensor;

http://www.peachparts.com/Wikka/M112M113CPS

You will have to search for more information on you M120.

br,
syljua

__________________
1998 CL500 W140
1984 230E W123

Here is an image of the location of the 2 sensors on a M120.
Why 2? The M120 is similar to 2 M104 "glued" together.
The two separate engine management systems talk to each
other thru the CAN bus and I guess they must both get the
crankshaft position sensor signal to agree that everything is ok.
Both of the need the speed of the flywheel and the TDC.

The sensors are the two black ones sitting on the engine side where
the box is bolted;


http://community.forenshop.net/forums/index.php?mforum=W140&showtopic=3378

(but again, this is just one possible explanation on you problem)

br,
syljua

__________________
1998 CL500 W140
1984 230E W123

I reallllly hope that will do it