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2018 Mercedes-Benz C350e 2.0L ECO start / stop , CEL on
Posted to European Electrical on 11/4/2024 1 Reply

CEL is on & ECO start/stop is inop. The aux battery was confirmed bad & replaced. The relay was replaced because Dealer stocked it & said they saw failures. Based only on schematic, we believe the relay is missing the drive signal from the front SAM. Wh...

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car Vehicle Data

2018 Mercedes-Benz C350e

VIN 55SWF4HB1J
Engine2.0 L / 4 cyl / ELECTRIC/GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEco Start / Stop , CEL On
ConditionsInop.
Misc.Hybrid
Open Help Request

car Vehicle Data

2018 Mercedes-Benz C350e

VIN 55SWF4HB1J
Engine2.0 L / 4 cyl / ELECTRIC/GAS
Trans7-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEco Start / Stop , CEL On
ConditionsInop.
Misc.Hybrid