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#1
03-15-2004, 10:33 AM
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Dash "idiot" light...what is it for? 380sl
K, I can't get to my car for the owner's manual right now.
I think I saw the dash light flash the signal shown below. What's it for? Brake pads?
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Rick '85 380 SL (sold) '85 Carrera Flatnose '71 280 SL Signal Red/Cognac 
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#2
03-15-2004, 12:12 PM
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Yep. It's for the brakes. need to check and fix accordingly. You should have plenty of time since it only flashed.
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Nello Tare 1982 300D (266,001 mi.) looking and running great Previously owned: 1976 450 SLC 1983 300D 1976 300D also 1982 Jaguar XJ6 (loved, but gone)
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#3
03-15-2004, 01:20 PM
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Thanks, Nello.
Is it specific to fluid, front or rear brakes? (Do both front and rear have wear sensors?)
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Rick '85 380 SL (sold) '85 Carrera Flatnose '71 280 SL Signal Red/Cognac
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#4
03-15-2004, 03:13 PM
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Sorry I didn't get specific. When I see the light come on I think one should check everything regarding brakes. The circular motion of the icon makes me think of a rotary action... for my 123, the true meaning of the light is "brake pad wear indicator lamp". It lights up during braking if the FRONT wheel brake pads are worn down. It should come on during ignition and then go out. If it doesn't come on at that time, then the bulb/circuitry is bad. If yours "flashed" while driving but not braking then it could mean a circuit problem and not real brake trouble. The fluid "low" indicator is the rectangular light that says "brake".. the same light for parking brake engaged. Hope this helps to clarify things.
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Nello Tare 1982 300D (266,001 mi.) looking and running great Previously owned: 1976 450 SLC 1983 300D 1976 300D also 1982 Jaguar XJ6 (loved, but gone)
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#5
03-15-2004, 07:19 PM
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It's the indicator for the wear sensors in the front pads; there aren't any in the rear pads. It will initially come on intermittently when the brakes are in use, and eventually be on all the time once the pads are really low; they should ideally be replaced before that happens.
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Craig Bethune '97 SL500, 40th anniversary edition '04 Olds Bravada (SWMBO's) '06 Lexus ES330 '89 560SL (sold) SL--Anything else is just a Mercedes. (Kudos to whoever said it first)
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#6
03-16-2004, 08:45 AM
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Thanks guys!
Last question...is the sensor(s?) reusable? On my BMW 740 it was but most of the time broke when trying to remove.
__________________
Rick '85 380 SL (sold) '85 Carrera Flatnose '71 280 SL Signal Red/Cognac
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#7
03-16-2004, 11:58 AM
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The brake pad set includes the sensors. Kinda like getting shoelaces when you buy a pair of shoes...
__________________
2009 ML350 (106K) - Family vehicle 2001 CLK430 Cabriolet (80K) - Wife's car 2005 BMW 645CI (138K) - My daily driver 2016 Mustang (32K) - Daughter's car
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#8
03-16-2004, 07:15 PM
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Not all pad sets include the sensors, but they're maybe $2 or so each if you do have to buy them separately--definitely not worth trying to use the old ones.
__________________
Craig Bethune '97 SL500, 40th anniversary edition '04 Olds Bravada (SWMBO's) '06 Lexus ES330 '89 560SL (sold) SL--Anything else is just a Mercedes. (Kudos to whoever said it first)
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