The 1985 West Berlin state election was held on 10 March 1985. Eberhard Diepgen was the CDU's lead candidate and would later be unanimously elected as the mayor of West Berlin. |-style="background:#E9E9E9;" ! colspan="2" style="text-align:left;" |Parties !Votes !% !+/- !Seats !+/- |- | style="background-color: " | | style="text-align:left;" | Christian Democratic Union | 577,867 | 46.4% | -1.6% | 69 | +4 |- | width=5px style="background-color: " | | style="text-align:left;" | Social Democratic Party of Germany | 402,875 | 32.4% | -5.9% | 48 | -3 |- | style="background-color: " | | style="text-align:left;" | Alternative List | 132,484 | 10.6% | +3.4% | 15 | +6 |- | style="background-color: " | | style="text-align:left;" | Free Democratic Party | 105,209 | 8.5% | +2.9% | 12 | +5 |- | style="background-color: " | | style="text-align:left;" | Democratic Alternative | 15,857 | 1.3% | +1.3% | 0 | |- | style="background-color: " | | style="text-align:left;" | Socialist Unity Party of West Berlin | 7,731 | 0.6% | ñ0.0% | 0 | |- | style="background-color: #F98113" | | style="text-align:left;" |Liberal Democrats | 1,416 | 0.1% | +0.1% | 0 | |- | style="background-color: #CD2C00" | | style="text-align:left;" | Social People's Party of Germany | 1,406 | 0.1% | +0.1% | 0 | |- | style="background-color: #EB891B" | | style="text-align:left;" | Ecological Democratic Party | 163 | 0.0% | +0.0% | 0 | |- style="background:#E9E9E9;" ! colspan="2" style="text-align:left;" |Total ! style="text-align:center;" | 1,259,818 ! style="text-align:center;" colspan="2"| 100% ! style="text-align:center;" | 144 ! style="text-align:center;" | +12 |- |colspan=7|Primary Source & Secondary Source