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Old 03-17-2015, 05:21 AM
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Join Date: Mar 2015
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Question ML 270 Break Lights

Dear All,
My ML 270 fail the MOT due to the break lights are not working. It was at the MOT station for the last 7 days they went through the full circuit diagram and the ECU still they couldn't find the fault. Did you come a across this fault or have any solution for this problem. If you could help me I will more appreciates.

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Old 03-17-2015, 06:06 PM
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Location: Carson City, NV
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Time to start over. Check the bulbs and the fuse(s). If they are good check the switch. If that's good then you get to start tracing and checking wiring.
Anyone who thinks a 300D is fast drives too slow.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 359,xxx miles
08 Triumph Street Triple 26,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
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Old 03-17-2015, 07:42 PM
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Join Date: Apr 2011
Location: SF, CA, USA
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the tool to use for testing is a multimeter, specifically the voltmeter function of it. is there voltage at the bulb, at the switch, and at the fuse?
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