engine

[yousufz123]

this is a mercedes c180 komp, 2005, the radiator fan stays on all the time although the temp shows normal, about 80. Is there a sensor switch on these cars, if so where? Any ideas anyone? Pleeeaaazzze.

Thanks.

 

[andrewcliffe]

Does the W203 series has a viscous fan rather than electric fan?

 

[television]

Hello and welcome,, when you say stays on the whole time it does go off when you turn the key

 

[yousufz123]

Does the W203 series has a viscous fan rather than electric fan?

Hey, thanks for this, it is an electric fan.

 

[television]

Does the W203 series has a viscous fan rather than electric fan?

Hi Andrew, as far as I can see there is only the electric one on the rad

 

[yousufz123]

Hello and welcome,, when you say stays on the whole time it does go off when you turn the key

Hey, thanks for this, yes it switches off when key is turned

 

[television]

http://www.detali.ru/cat/oem_mb2.as...605716.628&CT=F&cat=66U&SID=50&SGR=015&SGN=01


Nothing listed for the 203246 and 746

It could be water in the control box shown in the link or a sensor

If you car is other than than one of 246 or 746 I can look for that

 

[fnkhan68]

W203's have one electric fan as opposed to a viscous, once engine temp. reaches normal it stays on, same as the late W210's and W202's.

 

[yousufz123]

hey malcolm,
just back from work, didn't understand the 246 or 746 and what can you look for?

 

[yousufz123]

mr. Khan,
thanks for this, this fan cuts in the minute i start the car, even when it was -2c the other night.

 

[television]

hey malcolm,
just back from work, didn't understand the 246 or 746 and what can you look for?

You have the car number in the windscreen bottom near side with the car number WDB203 and the next 3 numbers like 246 . 746

 

[yousufz123]

malcolm, the next three numbers are 246.

 

[Dieselman]

Either the temperature sensor on the engine has gone duff or the fan control relay is stuck on.

 

[television]

The only temp sensor is 100 in the link. One could take the wire off and try it.

Its a control box joined into the fan, is there a sensor in that and its bolted near the rad.

I had looked at the 203246 and there is nothing recorded, so its an odd fault
http://www.detali.ru/cat/oem_mb2.as...605716.628&CT=M&cat=63A&SID=15&SGR=120&SGN=03

 

[recycled]

my fan is on from the moment i turn the key to the moment it goes off.
Done that for years since i got it.

 

[television]

my fan is on from the moment i turn the key to the moment it goes off.
Done that for years since i got it.

I do not think that it should be like that

 

[recycled]

i am not bothered. not costing me anything and it drives fine.

 

[television]

i am not bothered. not costing me anything and it drives fine.

Its costing you a little extra fuel

 

[recycled]

I have compensated for that by shedding a few pounds