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#1
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126 rear window defrost defog
Only the top few inches are working, the wires are the REALLY small ones. Can I jump any break? Is the wire laminated into the glass? "Glued" to the inside?
Thanks for any help.
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83 SD 84 CD |
#2
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I have the same problem on my 124, I am 95% sure that the tiny little wires are infact between the two panes of glass and that the only way to get a rear defroster to work is a new window.
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2003 Dodge Ram 2500 Cummins - Georend fully built trans, Banks Big Hoss Bundle, Smarty Tuner, 5" turbo back exhaust. 500 HP and 1100 ft/lbs to the ground. 1979 Mercedes-Benz 300CD - Lost to a four car pile up on 275, Thank You Michigan Drivers. 1986 Mercedes-Benz 300D - Sold, Euro non-turbo car. |
#3
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Yes, the heating element is laminated in the glass, hence $855 replacement cost.
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Sam 84 300SD 350K+ miles ( Blue Belle ) |
#4
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it happens if it delaminates do you have a foggy bottom of the glass looks like water in there.
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#5
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Yeah thats what happened along the top corners on my glass. Coincidentally the top part of the mesh is the area not working.
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2003 Dodge Ram 2500 Cummins - Georend fully built trans, Banks Big Hoss Bundle, Smarty Tuner, 5" turbo back exhaust. 500 HP and 1100 ft/lbs to the ground. 1979 Mercedes-Benz 300CD - Lost to a four car pile up on 275, Thank You Michigan Drivers. 1986 Mercedes-Benz 300D - Sold, Euro non-turbo car. |
#6
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I do have some discoloration, albeit in the lower passenger side.
Sigh...not gonna replace rear wind screen for this.
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83 SD 84 CD |
#7
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There is a way to repair it, using a multi meter and the special electricity conducting paint.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#8
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not when, as previously noted, the wires are inside the glass. The special paint you speak of is for "lesser" vehicles that have the grid applied to the inside surface of the glass.
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#9
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how? do you have to drill into the glass? the wires are in between the two layers of glass? on the 126...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#10
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On my w123 the grid is not between glass sheets.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#11
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and on the 123 the wires are MUCH larger and more visible.
unfortunately the poster is asking about a 126...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#12
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126 rear glass
You should be able to get a replacement rear window installed with an OEM one for about $500. I did in up here in Canada and parts are always cheaper in the US market. My 83 300sd had exactly the same problem as you.
It is a conventional rear window with the heating elements printed on the inside surface of the glass. All the shops I spoke to and several other Mercedes bulletin boards confirmed that the wires inside the two layers of glass on a 126 cannot be repaired...... Recommend you replace the rubber mounting seal at the same time and prime all metal. It's probably rusty under the seal in the bottom corners of the existing window. |
#13
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On my late '82 123, it had the red element "glued" to the inside. My CD has the same wires as the SD, yet they are vertical, you may be able to see 'em on the SD being horizontal.
When I first bought the CD, I couldn't see anything in the rear windscreen, had to look real close, there they are!
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83 SD 84 CD |
#14
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Two types of glass are used in MBs.....
Laminated and tempered.
Windshields are laminated, and side glass and rear windscreens are tempered......as a general rule. Some MBs, have laminated rear windscreens, as well as windshields. The fine, almost invisible defrost wires are a way to identify the laminated rear glass. Laminated glass consists of two panes of glass held together by a thin plastic sheet. Sheet may also be tinted to produce the dark band across the top of the windshield. When this plastic sheet gets wet, it will turn cloudy, and this is a sure fire sign that you are going to find some festering rust in the window channel. Tempered glass is a single pane, stressed glass. Ever notice how a windshield will break and not come apart? That's the plastic layer holding the glass together. Also note that a windshield will break in a manner that gives large, jagged pieces. Tempered glass, because of it's cured tension-compression configuration, will better resist a blow, but when you overcome it's ability to remain of a piece, the entire pane literally crumbles into many small pieces. Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#15
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Yeah, but fortunately, I have a 123. I think mine my not be working, but haven't tried it yet. I will today. Thanks.
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles |
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