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W202, 1995, C200 Sport
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178 Posts
Discussion Starter #1
It has started to smell like gas when I get into the car in the morning, or whenever it has been a few hrs since last drive.

Is there a gasline-crack somewhere close to/ or that runs inside the cockpit that could cause this smell?
 

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1997 C280 (w202)
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6 Posts
there are 2 small hoses that dry rot or crack from old age, underneath the passenger rear wheel that need to be replaced,.. very simple job! had to replace both on my 97 C280
 

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W202, 1995, C200 Sport
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178 Posts
Discussion Starter #3
Great thanks! I did some research and seems plausable (spelling?)
Just so strange that fumes from there becomes that strong inside the cockpit.
 

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2010 C200 CGI /W203/SLK230/W202/230E/280SE
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3,301 Posts
Seems to happen at 10yrs+ - worth doing anyay to eliminate one possibility - use fuel injection hose (not ordinary fuel line).

You'll also need new hose clips - OEM can't be re fitted

Here's a pic of the cover and note the need for a long extension for 1 nut

Oberoi
 

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W202, 1995, C200 Sport
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178 Posts
Discussion Starter #5
Just talked to the parts store at my local Merc dealership, and he said there are three hoses. And since they cost like $100 for all three, I'm gonna jack up the car, remove the wheel and see which ones need replacing, or if all three needs replacing..

He told me partsnumbers:

# 2304768726 (this is the hose that goes from the top of the expantion tank, which you stick the gas-nossle into when you fill gas)

# 2024762026 (this is the hose that sits at the bottom of the same expation tank as mentioned above)

# 2024768726 (this is the hose that sits at the same place as the partsnumber above here)

Any thoughts? I mean a hundred dollars for three hoses.. c'mon..
 

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W202, 1995, C200 Sport
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178 Posts
Discussion Starter #6 (Edited)
I tried to Google the partsnumbers, I got this match on the first number # 230476 8726 which I gues is the bent 040 hose on the image:



010 2104767326 HOSE,
From fuel tank to fuel pump


-228


030 0069971990 CLIP,
From fuel tank to fuel pump,
21.5-22.5 mm
040 2024766426


2304768726
HOSE,
Fuel filter to delivery line,
13.3x3 mm x 1500 mm;230 mm
040 2304768726 HOSE,
Fuel filter to delivery line,
1600 mm;230 mm
050 0069971890 CLIP,
Fuel filter to delivery line,
13-14.5
060 2104762726 HOSE,
Breather line to filter
100 2104703364 LINE,
Feed line 001
130 916030000527 HOSE,
Spacing of fuel lines,
7.5x3 NB 404
150 2104702475 FUEL HOSE,
From feed line to engine
155 0039900251 NUT,
Fastening supply line
370 2104764001 LINE,
Return line 001
375 2104762801 LINE,
From pressure regulator to vent line
380 2104767526 HOSE,
Return 001
390 2104769226 HOSE,
Fuel filter to return line
410 0059971990 CLIP,
Hose to fuel filter,
15.5-17.5 mm
420 2104760384 DAMPING STRIP,
Fuel lines to front partition panel
440 2309950222


0029958201
CLIP,
Fuel lines to front partition panel
440 0029958201 FASTENING CLAMP,
Fuel lines to front partition panel
470 2104760584 DAMPING STRIP,
Fuel lines to front partition panel
480 1269950722 CLIP,
Fuel lines to front partition panel
500 0009951114 CABLE HOLDER INSTRUMENT C,
Fuel/brake/breather lines to main floor
510 2104760140 CLIP,
Fuel lines to vehicle floor
520 2019920030 TENSIONER,
Fuel lines to vehicle floor
540 2024760784 DAMPING STRIP,
Fuel lines to vehicle floor
560 1244760240 CLIP,
Fuel lines to vehicle floor
580 0009957865 CLIP,
Regeneration line
615 0009877770 RUBBER PROFILE,
To mount fuel lines
620 1109950022 CLIP,
To mount fuel lines
630 910112005000 NUT,
To mount fuel lines,
M5
640 2105000731 HOLDER,
Above rear axle
640 2105000831 HOLDER,
Above rear axle
228
670 4639940348 CLAMP,
Purge line, area fir
 

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W202, 1995, C200 Sport
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178 Posts
Discussion Starter #7
I got a match on parts number # 202476 2026 which I gues is 128 on this image
Also got a match on parts number: # 2024768726 which is 134 on this image

 

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2010 C200 CGI /W203/SLK230/W202/230E/280SE
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3,301 Posts
Did mine with about 70cm of fuel injection hose - cost about $6 - hoses to replace will be self evident when you get the cover off.

Sorry cant remember the size but easy to figure out.

There aren't any really tight bends if you trim the length correctly - start long and reduce until you get a nice easy bend that isn't going to kink.

Good idea to allow system to depressurise overnight and do the job in the morning (take fuel cap off) - you'll lose a little fuel so good idea to have a flat dish and nail punch or similar tapered object to stick in the line when you first remove it. (will not continue to drip once pressure is released)

AS FUEL IS INVOLVED - USE CARE

Oberoi
 

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1997 C280 (w202)
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6 Posts
I went to my local autozone and used the same kinda hose but cost me way less,.. of course it was not premolded but it work jus fine,.. think it cost me $8bucks..
 
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