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C36 AMG, C43 AMG (W202) 1995 - 2000

Awful "scraping" sound when locking the car...

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Old Dec 6, 2011 | 11:39 PM
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From: Mizzou
1998 C43 AMG
Awful "scraping" sound when locking the car...
...is coming directly behind the fuel-filler door...WTF?!?!

Ever since I bought the car it's made this metal-on-metal "scraping" sound when locking the car with the remote. Anyone have an idea what the hell this is?

Even better, how do I fix it?!?!
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Old Dec 7, 2011 | 12:17 AM
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05 c55 silver, 98 Imperial Red C43
Its the lock on the gas tank lid, i have the same problem
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Old Dec 7, 2011 | 01:57 AM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
A bit of lubrication on and around the plunger may help
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Old Dec 7, 2011 | 07:37 AM
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1967 Morris Cooper "S", 1983 911SC, 1997 Toyota Tacoma, 1999 HD FXSTB, 1998 C43
Check the lid - it may be slightly bent in or out and causing your problem...
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Old Dec 7, 2011 | 07:38 AM
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1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
open the little fuel door and then lock the car, you will see a small air pump push out a metal rod. The rod is used to lock your fuel door so someone couldn't dump sugar in your tank.

I'm sure you are missing either the lubrication or gasket of some sort.
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Old Nov 14, 2012 | 09:06 PM
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From: Mizzou
1998 C43 AMG
Originally Posted by DRBC43AMG
A bit of lubrication on and around the plunger may help
Just a quick update, this^^ was the cause of my problem. I tried some graphite lube at first, which didn't do isht. So I applied some spray-on lithium grease and it worked like a champ!
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Old Nov 20, 2012 | 06:41 PM
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1998 Black Opal C43
Good thread. I have the same problem. I knew it was the gas lid, but was too lazy to lube. Will do that tonight when I get home.
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Old Nov 20, 2012 | 06:48 PM
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Definitely need to lube it... the fuel filler door.
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Glad I found this post. I knew where the sound was coming from.. just not sure if it was safe to lube that plunger. I will lube it now.
Walking away and hitting the lock on remote, the car sounded like it was breaking wind.

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Old Sep 30, 2014 | 09:33 AM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
Originally Posted by JA50N_FL
Glad I found this post. I knew where the sound was coming from.. just not sure if it was safe to lube that plunger. I will lube it now.
Walking away and hitting the lock on remote, the car sounded like it was breaking wind.

Sometimes a quick search finds suitable solutions to a host of small problems
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