| Model | Year |
|---|---|
| ISDT · 2 models | |
| ISDT | 1957 |
| ISDT | 1958 |
| JUNIOR · 3 models | |
| JUNIOR 100 LUXUS | 1955 |
| JUNIOR 100 LUXUS | 1956 |
| JUNIOR 100 LUXUS | 1957 |
| M · 15 models | |
| M 100 | 1955 |
| M 100 | 1956 |
| M 100 | 1957 |
| M 100 | 1958 |
| M 200 | 1952 |
| M 200 | 1953 |
| M 200 | 1954 |
| M 250 | 1952 |
| M 250 | 1953 |
| M 250 | 1954 |
| M 250 S | 1952 |
| M 250 S | 1953 |
| M 250 S | 1954 |
| M 250 S | 1955 |
| M 250 S | 1956 |
| MB · 3 models | |
| MB 250 RS | 1954 |
| MB 250 RS | 1955 |
| MB 250 RS | 1956 |
| MBS · 4 models | |
| MBS 250 FAVORIT | 1957 |
| MBS 250 FAVORIT | 1958 |
| MBS 250 FAVORIT | 1959 |
| MBS 250 FAVORIT | 1960 |
Adler was a German maker from Frankfurt, founded by Heinrich Kleyer, which built typewriters, cars and motorcycles. Its two-stroke M 100, M 125 and M 250 bikes of the 1950s were advanced for their day. The firm stopped motorcycle production in 1957.
