Fault codes?

2017 MERCEDES BENZ C250

90,000 MILES • 2.5L • 4 CYL • 2WD • AUTOMATIC

TERRYTROUT

MEMBER
1 POST
FOLLOW

Hi, I have the vehicle listed above and I have got an engine management light on. When connected to a fault diagnostic, it comes up with three codes.
$7E8
$7E9
$7EC

Can anyone help me with identifying the problem/problems?
The car runs perfectly.
Thanks

Jun 30, 2025 at 11:35 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.