| Mercedes-Benz | C-Class | Mk2 (W202), 1993-2000 | Mercedes Slot Key (FBS 3)EUSAASIAAUO | EU, SA, ASIA, AUO |
| Mercedes-Benz | C-Class | Mk2 (W202), 1993-2000 | Mercedes Slot Key (FBS 3)USA | USA |
| Mercedes-Benz | C-Class | Mk2 (W202), 1993-2000 | Mercedes Remote Key (FBS 2A)EU | EU |
| Mercedes-Benz | C-Class | Mk2 (W202), 1993-2000 | Mercedes IR key HU64 (FBS X/2) | N/A |
| Mercedes-Benz | C-Class | Mk3 (W203), 2000-2007 | Mercedes Slot Key (FBS 3)EUSAASIAAUO | EU, SA, ASIA, AUO |
| Mercedes-Benz | C-Class | Mk3 (W203), 2000-2007 | Mercedes Slot Key (FBS 3)USA | USA |
| Mercedes-Benz | C-Class | Mk4 (W204), 2007-2014 | Mercedes Slot Key (FBS 3)EUSAASIAAUO | EU, SA, ASIA, AUO |
| Mercedes-Benz | C-Class | Mk4 (W204), 2007-2014 | Mercedes Slot Key (FBS 3)USA | USA |
| Mercedes-Benz | C-Class | Mk5 (W205), 2014-2021 | Remote Key (FBS 4)EUASIASAAUO | EU, ASIA, SA, AUO |
| Mercedes-Benz | C-Class | Mk5 (W205), 2014-2021 | | USA |