Its worth a try, Since we bought the car used this summer and have no idea how old the battery is. ! thanks for the quick replies. Any other ideas out there.

Nope. Clicking = dead/failed battery.

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2008 E350 4matic / Black/Anthracite

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Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black

http://www.mbusa.com/care/client-care/roadside-assistance.do

Give this a try. They will come to you and install a new battery, free. You just pay for the battery. Also works for flat tires and running out of gas, all free (after paying for the gas).
Dan

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2012 E350 Bluetech

just tried the battery. no luck... what now.

"just tried the battery" what does this mean?

- did you pop the caps to see if there is sufficient solution?
- did you perform specific gravity reading of the electrolyte?
- did you trickle charge?
- 'click' doesn't necessarily mean dead battery. it can also indicate that the
connection to the battery post is less than optimum. disconnect, wire brush,
clean and reattach
- reason why accessories may work, but starter not spin, is because it only
takes a scootch of power/amps to run the lights etc....but hundreds of amps
to crank the motor
- how old is the battery? if it's reached 4-5 yrs, generally speaking, it's long
in tooth and is targeted for replacement. for warranty purposes, sometimes
the install date is 'coded' onto the label atop the battery

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-- raymond~
47º 34'N 122º 18'W

Tried the battery means. I went out and bought a new one, put it in. And still nothing. Same as before. Everything else works, but no crank, no start. Please Help !

Could be the neutral safety switch. Try starting with the gear shift in neutral. If it starts, then it istime to replace the NSS.
regards,
Mark