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#1
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E320 Running lights won't shut off...Help
The day time running lights on my 2000 E320 do not shut off when I turn the ignition off and remove the key. The switch allows me to access (and turn on and off) all of the other lighting modes/options, but the running lights stay on. I have to remove a battery cable at night to avoid draining the battery. I replaced the original battery (got almost 9 years out of it), but the problem remains. Any advice?
2000 E320 102,000 miles Thanks |
#2
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Either a problem with the headlamp switch OR the alarm system.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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E320 lights won't shut off....Help
Ok, Thank you. Is there a relay associated with the alarm system, or the light switch? If so, I'm thinking that might be a good place to start.
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#4
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The headlight switch is a computer. Does several functions including turning off the lamps when you exit the car.
The alarm (ATA) also is part of a control unit (PSE), also referred to as central locking. Both can & should be diagnosed with a MB scanner.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#5
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Be sure you understand that up = off. Anything left of up is standing lights.
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Kent Christensen Albuquerque '07 GL320CDI, '10 CL550. '01 Porsche Boxster Two BMW motorcycles |
#6
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Ok, I will take it in and have it scanned. In the mean time, if anyone has any additional info or ideas I would appreciate it. Thanks to all.
Last edited by nd2endgame; 02-04-2009 at 09:23 PM. |
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