2007 Mercedes Benz ML350 ingnition wont turn over

2007 MERCEDES BENZ ML350
50,000 MILES • 6 CYL • AWD • AUTOMATIC
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LIOTTAS
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The car will not start. engaged ignition sound(crank) but will not turn on. Car is in park, plenty of battery power, gas in tank.
Mar 11, 2010 at 3:04 PM
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RASMATAZ
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Cranks but no start condition:

Fuel and Spark:
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
Mar 11, 2010 at 3:09 PM