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2012 Mercedes-Benz E350 3.5L MIL Lamp on
Posted to European Driveability on 7/22/2022 3 Replies

So, I've got this car with the above codes. The problem that I see is that my front O2 sensor values never [...] are stuck at -.02 L&R (slightly rich). If I raise the engine speed to 3000 rpm or so and let off the gas the rear O2 sensors respond by showing...

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  Related Documents & Media  2012 Mercedes-Benz E350

 
Message Closed w/FIX

car Vehicle Data

2012 Mercedes-Benz E350

VIN WDDHF5KB7C
Engine3.5 L / 6 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
P2198Fuel Quantity Solenoid Circuit Short To Voltage
Message Closed w/FIX

car Vehicle Data

2012 Mercedes-Benz E350

VIN WDDHF5KB7C
Engine3.5 L / 6 cyl / GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
P2198Fuel Quantity Solenoid Circuit Short To Voltage