| Mercedes-Benz | S-Class | MK3 (W140), 1991-1998 | Mercedes IR key HU39 (FBS X/2) | N/A |
| Mercedes-Benz | S-Class | MK3 (W140), 1991-1998 | Mercedes Remote Key (FBS 2A)EUSAASIAMEAAUO | EU, SA, ASIA, MEA, AUO |
| Mercedes-Benz | S-Class | Mk4 (W220), 1998-2005 | Mercedes Slot Key (FBS 3)EUSAASIAAUO | EU, SA, ASIA, AUO |
| Mercedes-Benz | S-Class | Mk4 (W220), 1998-2005 | Mercedes Slot Key (FBS 3)USA | USA |
| Mercedes-Benz | S-Class | Mk5 (W221), 2005-2013 | Mercedes Slot Key (FBS 3)EUSAASIAAUO | EU, SA, ASIA, AUO |
| Mercedes-Benz | S-Class | Mk5 (W221), 2005-2013 | Mercedes Slot Key (FBS 3)USA | USA |
| Mercedes-Benz | S-Class | Mk6 (W222), 2013-2020 | Remote Key (FBS 4)EUASIASAAUO | EU, ASIA, SA, AUO |
| Mercedes-Benz | S-Class | Mk6 (W222), 2013-2020 | | USA |