MERCEDES · DTC LOOKUP

Mercedes C63 AMG EISMercedes C63 AMG (W204) EIS failure

Mercedes diagnostic code. Below: what it means, common causes, symptoms, and the exact bench-programming fix path.

Common causes

  • Heat-aged EIS
  • Internal cap failure
  • Key transponder issue

Symptoms you'll see

  • Crank-no-start
  • Sometimes runs after cooling down
  • Intermittent IMMO

The fix path

Mercedes EIS Cloning ($250) — same pre-2014 EIS path.

AML services that fix this

Mail in the affected module, we bench-program, ship back next business day. Flat pricing, return shipping included.

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Related diagnostic codes

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