c250 td loss of power - need a little help re. MAFs

steve berry

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Hi, I have a 1997 P C250 TD.

I am experiencing lack of power so assume the maf sensor needs replacing.

I can get a Bosch one for £95+vat (Andrew Page motor factors) or a Pierburg for around the same price. I can also get a cheaper £50+vat Intermotor one.

My main questions are:

1) Does my car have a Maf sensor at all?

2) What is fitted originally and what is recommended to replace the original - bosch or pierburg?

I have been told that either the bosch will fit or the pierburg will be the right one, i.e they are different.

I have also heard this model doesnt have one, or that it has a MAP sensor - whatever that is.

It gets difficult as the car is in Holland (my brother's car) and I am travelling there on Thursday so I plan to buy the sensor here and bring some tools (torx sockets etc) and replace it there and then.

I have already replaced one, on my dad's E320 CDI and know its a 5 min job. That one was a Pierburg.

Anyhelp with the exact sensor I should buy will be appreciated! Thanks
 

television

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No MAF on that engine that I know of Steve
 

Number_Cruncher

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Your Mercedes
1995 W124 E300D TE
There's no MAF.

To begin with, replace the fuel filters (tank strainer, pre-filter, and secondary filter), check the air filter, check, and if necessary adjust the throttle travel, and check that the air pipe from the turbo is intact.
 
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steve berry

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ok thats bad news as I was hoping that would be the cause. Alot of other threads keep mentioning the MAF in relation to the 250TD?

If there isnt one then I shall buy a fuel filter and pre filter and try and fit one when I am over in Amsterdam.

I am driving there on Thursday, getting the ferry at 10am at dover and flying back to Liverpool the next morning so havn't got much time.

Can anyone tell me what tools I will need to change these??? Do you just undo a bolt at the top of the filter? What is the socket size?

If I cant fix it then its going to a Merc main dealer in Amsterdam..
 
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steve berry

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Good news, I travelled to Amsterdam expecting the worst, however the loss of power was down to a loose jubilee clip on top of the engine on the main vacuum pipe. It was spitting oil everywhere but once reconnected and tight FULL POWER was restored - HAPPY DAYS!!
 

television

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A good result and good luck :D:D
 

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