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Old 06-30-2010, 04:15 AM   #1 (permalink)
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Date registered: Jun 2010
Vehicle: Vito 108 CDI
Location: Near John O Groats!!!
Posts: 4
Angry No Reverse Lights

Hi
Vito 108cdi

The Reverse Lights dont work just now. Checked the bulbs which are ok. checked the fuse which is also ok.

Looked for the micro switch next to the gear knob but cant see one. Anyone desctibe its location for me? Have the ash tray out and looked all round the mounting. Have the gear Knob gator off and looking from above but still cant see one!

Many thanks in advance.

Anthony

The Vito Hater lol
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Old 01-05-2011, 03:45 AM   #2 (permalink)
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Date registered: Jan 2011
Vehicle: 2002 vito 108cdi
Location: somerset, england
Posts: 9
hi i have the same problem and i went through the same stages as you, checked bulbs, fuses then tried to find swith on gear stick to no avail.

glad its not just me. but thought someone would shed some light on this!

lee
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Old 01-05-2011, 06:50 AM   #3 (permalink)
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Date registered: May 2009
Vehicle: 2000 Vito 110CDI (never should have sold it), Current project 1999 V220 Ambient
Location: Honiton, Devon
Posts: 328
I believe that the reversing light switch is generally on the gearbox
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Old 01-05-2011, 08:52 AM   #4 (permalink)
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hi jonny rash. makes sense. lol. ill have a look in the morning and will let you know.

lee
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Old 11-19-2012, 02:01 PM   #5 (permalink)
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Date registered: Oct 2009
Vehicle: 2003 112 vito
Location: west of ireland
Posts: 96
Did you find the sensor on the gearbox? what does it look like and where can it be located?
my lights have gone and cant see any switch wiring around the gear stick.
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Old 11-20-2012, 01:00 PM   #6 (permalink)
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Date registered: Jul 2006
Vehicle: CURRENT Vito 108d 97: 108d 98: Traveliner 2003 ; Aixam; z1100; xbr500; z440 and many many bits
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no decent picture in WIS and its been pi@@ing down all day.

the sensor is listed as a reverse gear pressure switch or backup pressure switch..... it has the great 2 pin merc plug and socket on top (like the temperature and liquid sensors it will easily corrode at the contacts... so be careful handling it.

the switch is indicated on either the top surface or on the side of the gearbox (it appears to be the front side of the box)

the switch has a 2pole round cover with a cable coming out sideways.... a bit like a side entry spark plug top but only 1/2inch high on a 1 inch switch (about 1 inch in diameter)

as said... be careful with the cap as corrosion makes it break up
and merc recommend ONLY removing switches / sensors / glowplugs and injectors when the engine is HOT in order to reduce stresses.

malcolm
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Old 11-20-2012, 03:14 PM   #7 (permalink)
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Date registered: Oct 2009
Vehicle: 2003 112 vito
Location: west of ireland
Posts: 96
i wish i read this a few hours ago! removed the cap and one of the pins was lodged in it, i guess thats going to need to be replaced but at least now i know what im searching for, it it in any way possible to get inside the sensor if i remove it?
thanks for the reply
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Old 11-21-2012, 01:57 AM   #8 (permalink)
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Date registered: Jul 2006
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Posts: 1,782
Now you are part of the great merc gaming-machine

ALL or nearly all merc sensors are made this way with pins out of the top..... it makes sense on the production line but they frequently corrode out (and often its the plastic that hardens and breaks) and have to be replaced.

These days I tend to buy a replacement sensor and cap (neither paer are cheap) if I EVER have to disturb one...... I have even been known to cut the feed cable and crimp on a couple of blades / bullets so that I do not need to remove the cap.

Its easy to see why you get so many sensor faults on 639s with their fully integrated control units... its often not the sensor but the connector that breaks up
--------------------

as for getting into a sensor......... they are normally cast in phenolic plastic (bakelite) and not accessible.
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Old 11-21-2012, 06:20 AM   #9 (permalink)
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Date registered: Oct 2009
Vehicle: 2003 112 vito
Location: west of ireland
Posts: 96
my local motor factors do not stock the part and they sent me to mercedes, who will no doubt get back to me with an outrtagous price in the next while, do you have any tips for a good place in the uk or abroad that i could order the part online from?

as its broken anyway im going to try get inside the component by drilling out the plastic and see if it can be repaired
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Old 11-21-2012, 07:23 AM   #10 (permalink)
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here is a picture c/o wunderparts..... its the 2 prongs on the back that corrode into the socket and snap out.

its the same part on most (if not all) 638s

the part is on ebay "vito reverse switch" from wunderparts in doncaster.. they say they will despatch same day by royal mail 11.99 + 1.99 post
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