E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

Help!!

Old May 30, 2019 | 11:53 AM
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Ironworker736's Avatar
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2012 e550 coupe
Help!!

This is my first post. I have a 2012 e 550 coupe and the check engine light has come on. Scanner is showing p0017 and p2626 codes. I am able to perform most repairs myself but am unsure where to start. Any advice would be greatly appreciated. I have had this car for 2 yrs with no problem at all and this is killing me
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Old May 30, 2019 | 09:59 PM
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pl626's Avatar
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2015 E400
Yikes, sounds like you may have a timing chain issue or crankshaft position sensor and camshaft position sensor misalignment (P0017). The other code is for the O2 Sensor.
You may be looking at an engine rebuild or swap.
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Old May 31, 2019 | 10:59 AM
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2012 e550 coupe
I replaced the bank 1 exhaust cam position sensor, the cam solenoid and the upstream o2 sensor on the passenger side and the car is running normal today. Fingers crossed I’m in the clear.
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