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2022 Mercedes C300 Repair Guides

P12082022 MERCEDES C300 P1208 - Fuel Injector Calibration Mismatch Diagnosis & Fix

This code indicates the PCM has detected a mismatch between expected and actual injector performance.

Moderate
2-3 hours
P12092022 MERCEDES C300 P1209 - Fuel Injector Heater Circuit Malfunction Diagnosis & Fix

P1209 indicates a malfunction in the glow plug or injector heater circuit.

Advanced
2-3 hours
P12102022 MERCEDES C300 P1210 - Injector Power Stage Circuit Open Diagnosis & Fix

This code indicates an open circuit in the fuel injector power stage.

Advanced
2-3 hours
P12112022 MERCEDES C300 P1211 - Fuel Injector Driver Circuit Low Diagnosis & Fix

P1211 indicates the injector driver circuit is showing abnormally low voltage.

Advanced
1 hour
P12122022 MERCEDES C300 P1212 - Fuel Injector Driver Circuit High Diagnosis & Fix

This code indicates the injector driver circuit is showing abnormally high voltage.

Advanced
3-4 hours
PP12082022 MERCEDES C300 PP1208 — Fuel Injector Calibration Mismatch Diagnosis & Fix

This code indicates the PCM has detected a mismatch between expected and actual injector performance.

Advanced
1 hour
PP12092022 MERCEDES C300 PP1209 — Fuel Injector Heater Circuit Malfunction Diagnosis & Fix

P1209 indicates a malfunction in the glow plug or injector heater circuit.

Moderate
3-4 hours
PP12102022 MERCEDES C300 PP1210 — Injector Power Stage Circuit Open Diagnosis & Fix

This code indicates an open circuit in the fuel injector power stage.

Moderate
2-3 hours
PP12112022 MERCEDES C300 PP1211 — Fuel Injector Driver Circuit Low Diagnosis & Fix

P1211 indicates the injector driver circuit is showing abnormally low voltage.

Advanced
1 hour
PP12122022 MERCEDES C300 PP1212 — Fuel Injector Driver Circuit High Diagnosis & Fix

This code indicates the injector driver circuit is showing abnormally high voltage.

Moderate
1-2 hours