fuel guage

[chubbs111]

hi guys im hoping someone can help please,i have a 1999 clk200 and yesterday the fuel guage started fluctuating,got in today and it was on half full then went to three quarters then came back down to half,i suspect the sender is under the rear seats but not sure how the seats come out

 

[Merc Owner 2B]

I have a feeling it's a saddle bag type of tank with two senders, both accessed from underneath. Sure I read this recently?

 

[Merc Owner 2B]

http://ww2.justanswer.com/uploads/eurotec/2011-05-12_205548_remove,_install_fuel_gage_sensor.pdf

 

[chubbs111]

does anyone know why 2 senders and do they work together or independant

 

[Merc Owner 2B]

They work together. Check and clean all electrical connections. If that doesn't cure it then it will need plugging in a the garage to determine which is faulty.