Instead of defining the disabled getter/setter yourself, you can include it via mixin.

Author: sllethe

src/lib/list/selection-list.ts

@@ -30,10 +30,15 @@ import {Subscription} from 'rxjs/Subscription';
 import {SPACE} from '../core/keyboard/keycodes';
 import {Focusable} from '../core/a11y/focus-key-manager';
 import {MdListOption} from './list-option';
+import {CanDisable, mixinDisabled} from '../core/common-behaviors/disabled';
+
+export class MdSelectionListBase {}
+export const _MdSelectionListMixinBase = mixinDisabled(MdSelectionListBase);
 
 @Component({
   moduleId: module.id,
   selector: 'md-selection-list, mat-selection-list',
+  inputs: ['disabled'],
   host: {
     'role': 'listbox',
     '[attr.tabindex]': '_tabIndex',
@@ -46,11 +51,10 @@ import {MdListOption} from './list-option';
   encapsulation: ViewEncapsulation.None,
   changeDetection: ChangeDetectionStrategy.OnPush
 })
-export class MdSelectionList implements AfterContentInit, OnDestroy {
+export class MdSelectionList extends _MdSelectionListMixinBase
+  implements Focusable, CanDisable, AfterContentInit, OnDestroy {
   private _disableRipple: boolean = false;
 
-  private _disabled: boolean = false;
-
   /** Tab index for the selection-list. */
   _tabIndex = 0;
 
@@ -83,12 +87,9 @@ export class MdSelectionList implements AfterContentInit, OnDestroy {
   get disableRipple() { return this._disableRipple; }
   set disableRipple(value: boolean) { this._disableRipple = coerceBooleanProperty(value); }
 
-  /** Whether the selection-list is disabled */
-  @Input()
-  get disabled() { return this._disabled; }
-  set disabled(value: any) { this._disabled = coerceBooleanProperty(value); }
-
-  constructor(private _element: ElementRef) { }
+  constructor(private _element: ElementRef) {
+    super();
+  }
 
   ngAfterContentInit(): void {
     this._keyManager = new FocusKeyManager(this.options).withWrap();