Locked myself out of the car, fuel tank clean, gas reads empty - Mercedes-Benz Forum

 
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post #1 of 7 (permalink) Old 08-06-2013, 03:17 PM Thread Starter
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Locked myself out of the car, fuel tank clean, gas reads empty

Well as you can see I'm in a bit of a mess.

I just received my car back and I decided to lock up my doors since it was going to be parked in the street (just for today). I then went back to check on my car and my keys do not open up the lock to my door. I realize that there are 3 different types of keys to possibly open up, but none of them work.

As I drive, my car cuts out after every 5 miles or so. I am almost positive it is a fuel tank related issue. I am not sure how to clean the fuel tank or if I should replace then entire fuel tank.

Lastly, my fuel gauge is not working. It just reads empty and a red light shows up. I was hoping someone knew how to fix this?

Thanks for reading,

Robby
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post #2 of 7 (permalink) Old 08-06-2013, 03:56 PM
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Originally Posted by rptdunn View Post
Well as you can see I'm in a bit of a mess.

I just received my car back and I decided to lock up my doors since it was going to be parked in the street (just for today). I then went back to check on my car and my keys do not open up the lock to my door. I realize that there are 3 different types of keys to possibly open up, but none of them work.
Hi Robby. Welcome.
Your car has a 3 key system, one of the three goes to the doors, one goes to the glove box and gas tank, and one goes to ignition. The big one goes to the ignition and the other two look similar. Try them right side up and upside down, and try both doors until you get in. Or get AAA to open the door for you. You used one of the keys to lock the car so you can probably use one of the keys to unlock it. Then take proof of ownership and scan/fax it to the Classic Center and ask for your "datacard and key codes". They will send you your key codes and you can order new keys cut from blanks. They will probably work better. You can order them from MB or from keymen.com...

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As I drive, my car cuts out after every 5 miles or so. I am almost positive it is a fuel tank related issue. I am not sure how to clean the fuel tank or if I should replace then entire fuel tank.
I don't know why your car is cutting out but I would start with the fuel filter. Cleaning out gas tanks is a bitch and it can be dangerous. I can't advise you on ths.

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Lastly, my fuel gauge is not working. It just reads empty and a red light shows up. I was hoping someone knew how to fix this?
In the middle of your trunk under the rubber mat there is a white plastic disk about 5" in diameter. It pops out and under that is the fuel sender which is held in by about 7 little nuts. There should be a plug in the top of the fuel sender. Unplug it. At this point you should be able to experiment with the plug and your instruments by shorting out various configurations of the sender plug to see if it makes your gauge work. You should be able to get empty, full, and empty light on and off. What has probably happened is that the float in your sender is stuck at the bottom. The bottom will cause both "empty" and the "low fuel" light to be on. You can disassemble the sender and try to clean it up, but if it is rusty inside you won't make much progress. It needs to slide freely up and down on the guide wires inside. You can buy a replacement from autohausaz or MB. make sure to get a new cork gasket.

Have fun
Scott

Currently: 1967 250 SL, 1963 220Sb, 1965 300SE Lang, 1971 280SE parts car, 1972 Alfa GTV, 1965 Alfa Duetto, 1993 BMW R100R
Past: 1971 250 C, 1985 300 TD, 1967 250 S, 1968 280 S,1981 300 D, 1982 280CE, 3 Facel Vegas, Borgward Isabella Coupe, Alfa 2600 Sprint, Volvo P1900 (yes), numerous less interesting Volvos, ...
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post #3 of 7 (permalink) Old 08-06-2013, 07:04 PM
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take a metal coat hanger , unfold it , and make a 90 deg curb plus a bent . the idea is to catch the mushroom and pull it up .you can carefully pry the door at top to slide the wire in .
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post #4 of 7 (permalink) Old 08-07-2013, 03:21 PM Thread Starter
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Where can I find the fuel filter?
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post #5 of 7 (permalink) Old 08-07-2013, 03:25 PM
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In the rear, beside the fuel pump.
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post #6 of 7 (permalink) Old 08-07-2013, 03:27 PM
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Hey guys, doesn't the '66 SE have the "flower pot" style of fuel inlet?
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post #7 of 7 (permalink) Old 08-07-2013, 04:18 PM
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Quote:
Originally Posted by Mike D View Post
In the rear, beside the fuel pump.
Since this is SE ( injected ) the fuel filter is actually in the engine bay ... ( or at least on mine ) on the drivers side , the housing looks similar to the oil filter.
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