Hello
Engine won't turn when you turn the key buzzer sounds from under the steering wheel. Blinking light goes off when I unlock the doors and on when you lock.Is this alarm related or something else. Any thoughts. Car is 95 E320 176000mi

thanks

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1995 E320
1998 E320
1999 E320 4Matic
2000 E320 4Matic
2000 ML320
2007 C230 Sport
2003 Cadillac CTS

Is it a factory security system or after market? Do you have a remote to lock and unlock the doors?

Sixto
87 300D

It's factory no remote just key.

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1995 E320
1998 E320
1999 E320 4Matic
2000 E320 4Matic
2000 ML320
2007 C230 Sport
2003 Cadillac CTS

Might be neutral safety switch or might be #5 fuse. Do a search, both are common faults.

J. M. van Swaay

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1994 E320 Wagon, 230,000 miles
1995 E320 Sedan, 106,000 miles
1994 E500 Sedan, 79,000 miles

its your alarm engaging your immobilizer

How-to: Disable alarm on a 1993+ W124

there ya go... take the battey negative out for 15 mins, put it back in, check fuse #5 and fuse C and you should be on your way till you repair or disable the damned thing

It was fuse #5. I was looking the fuses wrong was checking fuse "E" yesterday thinking it was #5. Its freezing here in Wisconsin.
Thanks for the help.

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1995 E320
1998 E320
1999 E320 4Matic
2000 E320 4Matic
2000 ML320
2007 C230 Sport
2003 Cadillac CTS