I've seen like 4-5 posts on cars catching fire 2 theorys seem to be harness and blower motor any ideas suggestions on things do to minimize the chance of having such a lose?

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2004 Infiniti G35 3.5L 6mt Coupe 73K miles 25.6mpg ytd
2001 Green Audi TT 225 AWD Roadster 71K 6sp 30.9mpg >>STOLEN<<
1982 300D Turbo 231K 120hp? 28.1mpg YTD

i know... i'm like :O

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Matthew McIvor

2016 E350 4Matic Black/Black
2007 GL450 4Matic with Off-Road Pkg Silver/Black
1995 E300 Diesel White/Gray
1994 S600 Euro Black/ Black Velour
1986 560SL Blue/Blue/Gray
1986 190E Blue/Blue 93k

have a fire extinguisher ready with you, and prepare to break stuff to get the fire...

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Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??

Sold
1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone

GONE, BUT NOT FORGOTTEN
1995 E320 SE 220k mi
1984 300SD 350k mi

Mercedes moved the Blower Fuse for the very reason described.
(AND to prevent any more Unauthorized Under-Hood Bar-B-Ques)
[Fuse and Holder got moved to the Driver's side shock tower]
'Credit to GSXR for this kit explanation and picture

Please note "Kit" has MB# 126 540 30 13 part number, Probably denoting first use in
a W126 chassis...I'll bet it's also adaptable to W123 easily!

Attached Thumbnails

 

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'84 300SD sold
124.128

Don't throw lit matches on the carpet.

My takeaways from the most recent thread of horror were:

1 - Bypass, unplug or put 1 amp fuse on the aux water pump
2 - Put a 20(?) amp fuse on the blower
3 - Install an emergency battery quick-disconnect
4 - Carry at least one extinguisher, halon-esque and/or normal if you have #3, normal not optional with no #3
5 - Make sure that while the extinguisher is handy, it is rated for storage at the temps it will be subjected to in your chosen location(s)

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1984 300D Light Blue/Blue
2006 C280 Silver/Black

My 300sd came with the upgraded fuse kit. However, i was still blowing pin 11 on the blower motor regulator. Resoldered it, and then burned the actual regulator itself. I was able to resoldered the circuit board though. In my process of fixing i discovered the PO (ive owned for almost 4 years) had put an 80amp strip fuse in for the blower . I replaced with a 25amp and its working great with no issues. I think the main problem was the PO took power from the blower hot wire to power something else.

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VegStew
1983 300SD 70,000 WVO Powered miles
1990 300D In driveway with Head Off - Cracked

I just sat and watched a car fire on New Year's eve on the highway...scary stuff.

Is this aux pump problem mostly for the 123 models, or are all models suspect? I just replaced my pump last week..

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Dan
2005 E320 CDI - 246k
1987 300SDL TD05-16g, Herlevi pump, Elbe manifold, 2.47 LSD - 213k
Past: 1987 300D - 264k

Make sure all fuses are the correct size. If a fuse blows, don't put in a larger size or wire it solid. When working on the car, inspect the area you're in for damaged wires, missing insulation, etc., that could cause a short-circuit. If you install a big stereo, extra lights, etc., use a separate power-carrying relay and appropriate fuses. Carry a fire extinguisher in the passenger compartment rather than in the trunk – if the car is rear-ended, you may not be able to get into the trunk.

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

You could pipe a large foam extinguisher into a couple places in the dash using hose etc....then in the event of a problem just trigger it and it'd fill the dash with flame retardant foam. Huge mess to clean up, but better than the car burning down IMHO.

Or, carry several different extinguishers. I need to get myself a couple Halon units for our cars....in addition to the normal auto-extinguisher. Can never have too many!

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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)

Make sure you don`t create a missle hazard when installing the extinguisher inside the cabin in the event of an accident. be sure it is well secured.

Iam not positive, but I think Halon is no longer available because of environmental reasons.

Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

Halon is still out there, its used in computer data centers and such because it won't hurt electronics.

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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)

Thanks. I never worried about this before. Now I have something new to obsess about . . ..

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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

there are other "clean" fire extinguishers out there, including CO2...not sure what's best for a dash fire. Halon hasn't been produced in years, so any remaining supply would be quite expensive.

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1985 300D cali 190K

http://mercedes.thatchermathias.com/mw300d.jpg

Clean? You mean not leaving some sort of residue? Is that harmful or just unattractive if you don't clean it out?

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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