Термостат, охлаждающая жидкость 4278.80D устанавливается на следующие автомобили:
| Модель | С | По | Двигатели |
| MERCE E-CLASS (W124) E 420 (124.034) | 06.1993 | 06.1995 | M 119.975 |
| MERCE E-CLASS (W124) E 500 (124.036) | 06.1993 | 06.1995 | M 119.974 |
| MERCE E-CLASS (W210) E 420 (210.072) | 01.1996 | 06.1997 | M 119.985 |
| MERCE E-CLASS (W210) E 50 AMG (210.072) | 02.1996 | 08.1997 | M 119.985 (AMG 5.0) |
| MERCE E-CLASS Break (S210) E 420 T (210.272) | 06.1996 | 06.1997 | M 119.985 |
| MERCE E-CLASS универсал (S210) E 420 T (210.272) | 06.1996 | 06.1997 | M 119.985 |
| MERCE S-CLASS (W140) 400 SE,SEL/S420 (140.042, 140.043) | 02.1991 | 10.1998 | M 119.971 |
| MERCE S-CLASS (W140) 500 SE,SEL (140.050, 140.051) | 02.1991 | 10.1998 | M 119.970 |
| MERCE S-CLASS (W140) S 420 (140.042) | 01.1993 | 10.1998 | M 119.971 |
| MERCE S-CLASS (W140) S 500 (140.050, 140.051) | 01.1993 | 10.1998 | M 119.980, M 119.970 |
| MERCE S-CLASS купе (C140) SEC/CL 420 (140.063) | 10.1994 | 02.1999 | M 119.981, M 119.971 |
| MERCE S-CLASS купе (C140) SEC/CL 500 (140.070) | 10.1992 | 02.1999 | M 119.970 |
| MERCE SL (R107) 500 SL (107.046) | 01.1986 | 08.1989 | M 117.964 |
| MERCE SL (R107) 500 SL (107.046) | 05.1980 | 12.1985 | M 117.960 |
| MERCE SL (R107) 500 SL (107.046) | 05.1980 | 12.1981 | M 117.960 |
| MERCE SL (R107) 500 SL (107.046) | 01.1986 | 08.1989 | M 117.964, M 117.960 |
| MERCE SL (R129) 500 (129.067) | 09.1992 | 10.2001 | M 119.982, M 119.972 |
| MERCE SL (R129) 500 SL (129.066) | 09.1989 | 08.1992 | M 119.972, M 119.960 |
| MERCE SL купе (C107) 450 SLC 5.0 (107.026) | 06.1978 | 02.1980 | M 117.960 |
| MERCE седан (W124) 400 E 4.2 (124.034) | 10.1992 | 06.1993 | M 119.975 |
| MERCE седан (W124) 500 E (124.036) | 01.1991 | 06.1993 | M 119.974 |
