Sprinter 311CDi central locking - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 02-07-2009, 09:32 AM Thread Starter
BenzWorld Junior Member
Date registered: Feb 2009
Vehicle: 2002 Sprinter 316CDi 4x4 and 1999 Sprinter 312D 4x4
Location: Co. Meath, Ireland
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Sprinter 311CDi central locking

I have a RHD 2002 Sprinter 311 CDi 4x4 and the central locking switch for the back doors has its red LED flashing. I assume that it thinks that the rear doors are not shut? There are two pairs of contacts on the right-hand rear door and one pair on the left door (number plate light). Does anyone know which of the right-hand pairs does what? They both have a yellow/gray and brown/blue wire on the sprung pins in the door. Any help gratefully appreciated.

When I press the keyfob to lock the van, the doors lock, then unlock. If I press it again, they lock, unlock, then lock.

Co. Meath, Ireland
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post #2 of 4 (permalink) Old 03-19-2009, 04:30 AM
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Date registered: Mar 2009
Vehicle: 313 4x4 ,E320 CDI X 4,A160,A170 CDI ,W123,420 SEL,S420 L,420SEC,230,SLK230K, C180 ,C200,C230K, C230K
Location: Norfolk ,UK
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I have just converted one to 4x4, I have the same problem, when I get round to sorting it i will let you know,
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post #3 of 4 (permalink) Old 05-04-2009, 01:38 AM
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Hi it is a faulty brass spring loaded contactor on the back or side doors just needs replacing. Makesure the doors are shutting properly and are adjusted correctly. Mine still does it occasionally even when driving. I clean the contacts and then it is fine. But the contactor was the route cause. Was the panarama glass retro fitted on your sprinter?
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post #4 of 4 (permalink) Old 10-21-2012, 01:55 PM
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Date registered: Jun 2012
Vehicle: Mercedes Sprinter 316 4x4 2005 Self converted to camper 5 seats single front double bed in back and
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Smile Central locking fault

my fault was fixed by moving the hinge so that greater pressure was applied to the brass conector when the right rear door was shut. The conector pin was touching the contact but may have been to short due to excessive cleaning. very happy now
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