Major problem with the C180 duel fuel tanks and fuel transfer between tanks. Have taken car to dealer twice for repairs and twice to private mechanic. However, the car still runs out of gas with about 25 liters in the "secondary tank". No one appears to be able to fix this problem. I have been stranded on the hi-way 6 times in the last 3 years.
It is a good solid car except for the fuel transfer problem. The C180 is a little underpowered, but once it gets up to speed it is a pleasure to drive. The A/C is excellent the the paint and body still look great.
100% Agreed, my 1994 C180 Classic, having the same problem. After replaced new fuel tank in 2005, I was happy thinking that this problem never happened again, but suddenly in September 2008 the same problem happened again. Fuel flow not running smoothly due to under carriage fuel hose burst, even the parts replaced. None of the Mercedes mechanic around my state knows how to resolve this problem, but advised me replaced a new fuel tank. All possible methods to repair, changed fuel pump, drain out tank and servicing failed to resolved this problem. I love my car, but I cannot afford to spend Malaysian Ringgit 3,000 for another new fuel tank. My friend suggest me to operate the fuel tank and do some modification, as his mechanic already resolved the problem with his classic Alfa Romeo. I am looking forward to doing so.
I also got the same problem with fuel tank. Mine is W202 C220. The car shut off like running out of gas, but the gas remains about 1/2 tank. Googling for this, Only clue is about the pressure in tank. http://forums.mbworld.org/forums/e-class-w124/180686-ran-out-gas-twice-half-tank-left.html post#14
But no info how to fix it.
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