Question Details

I have a Mercedes E550 and got a p1200 code. The car started running rough and finally progressed to almost not running at all. I did some research and talked to the local Mercedes service manager and confirmed that my serial number of my car is one that has not had the timing gear upgrade. Therefore, I have to pull the engine. My question is: does anyone know exactly what parts I should change and who may have the best prices? The car has 152,000 miles. I will change the water pump, and all other bearings that the serpiteen belt runs on. Obviously the chain and the gear that is worn. I was wondering if the guides need to be replaced? I will change the cam magnetic sensors. Also read something about parts that should be changed on the camshaft itself ( don’t know the name)?

Thanks for any and all help.

Comments

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MBFanatic  5 months ago

If you are going to pull the engine to replace those parts, don't cut corners on quality. Just get the parts from the dealer and be done with it. You will need new chain, gear (sprocket), guides and timing chain tensioner.

The belt and other stuff on the front of the engine, can easily be replaced latter if need be. Without having to pull the engine.


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