What year & model car Warren??

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator

1999 E300D (W210) but with a replacement remote.....the fancy chrome/black type.

Warren C.

I have the same issue with my 1996 E320, remote range about 3, 4 feet. New battery no help.

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1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE

Did some more tests today......determined that the RF is not working at all....it's only the IR function that works with the receiver in the door handle.

That's why it only works at close range....and line of sight to the door handle.

So now what....

How to check the transmitter in the key fob ????

How to check the reciever in the car ????

Warren C.