If you push the trip reset while moving, you risk something coming loose in there especially as the car ages....apparently, the cog responsible for both odometer and trip meter pushes itself out of place

See here....

http://www.benzworld.org/forums/w124-e-ce-d-td-class/1495093-odometer-not-working-question-picture.html

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1993 300E, 2.8 M104 .....

Actually, both the odometer and trip meter are inop, so maybe the gear in the picture is responsible. Thanks.

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1993 400E, 256,000 miles (totaled)
1994 E420, 200,000+ miles
1995 E420, 201,000 miles

I have the exact same problem with my 95 E320. I too have disconnected the horn, but my lights start flashing when the alarm goes buggy.

As mentioned earlier in this thread, I was told the unit is in the left inner wheel well, behind the trim in the trunk, and that removing this unit will solve the problem. I removed that unit, jumpered the relay in the dash, and thought all was good. Now two years later I learn that the car still flashes its lights, and the unit I removed from the fender well (part number A 124 820 19 89) is a radio amplifier.

Just like you, I'm back to square one.

I did not know how to jump the ignition kill relay

Latief, thanks much for figuring this out, and posting pics to show us

for customer

slick jumpering at the ATA!

:-) neil

On my 93 mercedes 300se w140 the relay behind the cluster its on the right side, and that is a buzzer when u leave yours or key inside..

I have a 93 mercedes 300se w140, doe any one knows how to disconnect alarm. Right now the car won't start, and have no idea what to do. HELP

where is the K38 on a 1995 s500 coupe? how do I identify it?