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davidklein1

AMG GT Hybrid High Voltage Error Resolved

My 2018 Mercedes AMG GT Hybrid is throwing a high-voltage system error The dash lights up, and the engine quits randomly I've noticed a reduction in engine power before it dies The error memory is full of high-voltage system errors I suspect a battery drain or something with the inverter Where do I start looking

Summary of the thread

A 2018 Mercedes AMG GT Hybrid was experiencing a high-voltage system error, causing the engine to quit randomly and a reduction in engine power. The issue was suspected to be related to battery drain or the inverter. Upon further investigation, it was suggested that cable damage, possibly caused by rodents attracted to soy-based insulation, could be the culprit. A professional mechanic confirmed the cable damage, repaired it, and resolved the issue.

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4 comment(s)

robin_schaefer72

This sounds similar to an issue I experienced with my previous BMW i8 The high-voltage system is sensitive to minor electrical faults Have you considered cable damage Rodents are often attracted to the soy-based insulation in modern automotive wiring

davidklein1 (community.author)

Cable damage, huh Where would you suggest I start looking for that

robin_schaefer72

In my BMW i8, the cable damage was located near the high-voltage battery pack However, I would recommend against inspecting or repairing any high-voltage components yourself Given the potential danger, seek professional assistance from a qualified technician

davidklein1 (community.author)

Thanks for the advice Turns out, you were spot on I took it to a mechanic, and they found cable damage caused by rodents They replaced the damaged section, and everything is back to normal now It cost me 290€, but at least the car is running again

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MERCEDES

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AMGGT