Question about 1997 Mercedes-Benz C-Class

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My merc c 250 td loose power at 70 - 80 mph at times

At times my Mercedes C250 TD loses power - replaced the Vacuum transducer - still having problems. When I sto and switch off the ignition reset then problem goes away what els can cause this problem?

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Hi,you can check the fuel filter for contamination first,then try to replaced brake light swicth .

Posted on Feb 20, 2009


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I have a 1996 Mercedes C250 Sport TD Auto with agearbox problems. Yesterday when i started the car up & tried to pull away it will only go in first gear It will not change gear even when trying to do...

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Jun 16, 2010 | 1996 Mercedes-Benz C-Class

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Power loss on c250 td 1997

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Feb 23, 2009 | 1997 Mercedes-Benz C-Class

1 Answer

I have a mercedes 2.5 td when i step on the gas it loses power, i have changed fuel filter but no different

It can be faulty glow plugs (replace), clogged fuel injectors (fuel injector cleaner), warn distributor cap/wiring (check/replace), fuel pump circuit, also might be wrong ignition timing.
Please kindly let me know if you need more info
Good Luck

Feb 21, 2009 | 1997 Mercedes-Benz C-Class

1 Answer

Loosing power at cruising speed

have you had the transmission flushed? it seems to be caught in a limbo. where the calibration of the speedo and the transmission are not compatable. Now as wierd as that seems it happens usally like when going up a hill if you have a manual trans. and cruise locked in. it cant hold that speed and moves to a different speed if you dont down shift. Or perhaps your cruise control cable is slipping. is it vacume over mechanical? pop the hood and make sure all your hoses to cruise control are tight and no leaks.

Feb 12, 2009 | 1998 Mercedes-Benz C-Class

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