E-brake light intermittent ... - Mercedes-Benz Forum
 
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post #1 of 7 (permalink) Old 06-20-2019, 06:58 AM Thread Starter
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E-brake light intermittent ...

The red E-brake light on the instrument cluster is acting intermittently.

I look at the EPC but it does not show an electrical connection to the
E-brake pedal mechanism. How is this wired?
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"You have chosen to drive a MERCEDES-BENZ, a car in whose construction and production we have taken great pains because we believe that quality is not a matter of chance." -- page 3, Owners Manual 380SL
Timing Chain, Subframe, wiring harness, Climate Control, Rust prevention, etc.
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post #2 of 7 (permalink) Old 06-20-2019, 08:20 AM
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The switch is in another section. Electrical equipment........Main cable harness. PN 001 545 02 11
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post #3 of 7 (permalink) Old 06-20-2019, 08:46 AM
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Before we start an adventure on hacking the e brake apart, pull the cluster first and turn the bulb socket. Sometimes the copper gets warn down on a specific point, causing an intermittent connection.

I've had this happen on turn signal bulbs a lot. Odd to see it happen here!
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post #4 of 7 (permalink) Old 06-20-2019, 08:51 AM
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Which is easier? Pulling the instrument cluster and checking the sockets or pulling off the wires on the e brake switch and jumping them together? I go for the switch first.
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post #5 of 7 (permalink) Old 06-20-2019, 09:42 AM
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Originally Posted by roncallo View Post
Which is easier? Pulling the instrument cluster and checking the sockets or pulling off the wires on the e brake switch and jumping them together? I go for the switch first.
I'll be honest RC, i've never done that, but I can pull the cluster in under 5 minutes flat if I have all of my tools in front of me.

Where's the switch at?
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post #6 of 7 (permalink) Old 06-20-2019, 01:30 PM Thread Starter
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Quote:
Originally Posted by rowdie View Post
The switch is in another section. Electrical equipment........Main cable harness. PN 001 545 02 11
Rowdie, found it - you the man, you always come through answering anything R107. Thanks much.

Did a cursory look for the switch at the E-brake - looks like I'll have to disassembly some HVAC duct work.

BTW, was thinking about the Instrument Cluster as someone mentioned.
When I turn the ignition switch to the 3rd position, all the lamps illuminate except the Brake Light. No matter if I have the E-brake engaged or not.

Can someone verify that the Brake light should be illuminated like this when the E-brake is not engaged?
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"You have chosen to drive a MERCEDES-BENZ, a car in whose construction and production we have taken great pains because we believe that quality is not a matter of chance." -- page 3, Owners Manual 380SL
Timing Chain, Subframe, wiring harness, Climate Control, Rust prevention, etc.
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post #7 of 7 (permalink) Old 06-20-2019, 04:53 PM
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Originally Posted by okyoureabeast View Post
I'll be honest RC, i've never done that, but I can pull the cluster in under 5 minutes flat if I have all of my tools in front of me.

Where's the switch at?
Its attached to the e-brake pedal mount. I can bend over and disconnect it and jump the wires in 3 minutes if I have the tools and a jumper wire in front of me.

When I was your age I would do it in 30sec.

Today bending over takes 1 min, straightening out takes another min.
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