C220cdi coolant preasurising

Rajsingh102

New Member
Joined
Feb 19, 2023
Messages
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Your Mercedes
C220cdi
Hi I have a 2008 C220cdi
Iv had this car for a couple of weeks and has been fine at speeds up to 90mph for the first 2 3 hundred miles

I drove it last week with a top speed of 110mph ....ay this point the temperature rose to 120 ..I immediately slowed down and the temperature came down.

Following day heaters were blowing hot intermitently.

Put this down to blockage in the rad as there was some radweld residue in it .

This didn't solve the problem.

Checked water pump and all is fine .

Now pressure is biulding in the pipes and still no heat in the car
Also this vehicle does not have a auxiliary heater pump

Don't know what to do please help
 

mattkh

Senior Member
Joined
Aug 2, 2006
Messages
3,183
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357
Location
England
Your Mercedes
A160 W168 1999 1.6
Air lock in the coolant system..???
Mileage..??
 

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