diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 7e8672677617..64050b25e2a1 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -538,6 +538,9 @@ pref("browser.urlbar.shortcuts.history", true);
 
 pref("browser.urlbar.eventTelemetry.enabled", false);
 
+// Whether search engagement telemetry should be recorded.
+pref("browser.urlbar.searchEngagementTelemetry.enabled", false);
+
 // When we send events to Urlbar extensions, we wait this amount of time in
 // milliseconds for them to respond before timing out.
 pref("browser.urlbar.extension.timeout", 400);
diff --git a/browser/components/urlbar/UrlbarController.sys.mjs b/browser/components/urlbar/UrlbarController.sys.mjs
index ca0c01185439..2f375f678f87 100644
--- a/browser/components/urlbar/UrlbarController.sys.mjs
+++ b/browser/components/urlbar/UrlbarController.sys.mjs
@@ -1167,7 +1167,9 @@ class TelemetryEvent {
       `${method} event: ${JSON.stringify(eventInfo)}`
     );
 
-    Glean.urlbar[method].record(eventInfo);
+    if (lazy.UrlbarPrefs.get("searchEngagementTelemetryEnabled")) {
+      Glean.urlbar[method].record(eventInfo);
+    }
   }
 
   #getInteractionType(
@@ -1346,18 +1348,33 @@ class TelemetryEvent {
   };
 
   #beginObservingPingPrefs() {
-    for (const p of Object.keys(this.#PING_PREFS)) {
-      this.onPrefChanged(p);
-    }
+    this.onPrefChanged("searchEngagementTelemetry.enabled");
     lazy.UrlbarPrefs.addObserver(this);
   }
 
   onPrefChanged(pref) {
+    if (pref === "searchEngagementTelemetry.enabled") {
+      for (const p of Object.keys(this.#PING_PREFS)) {
+        this.onPrefChanged(p);
+      }
+      return;
+    }
+
+    if (!lazy.UrlbarPrefs.get("searchEngagementTelemetryEnabled")) {
+      return;
+    }
+
     const metric = this.#PING_PREFS[pref];
     if (metric) {
       metric.set(lazy.UrlbarPrefs.get(pref));
     }
   }
 
+  onNimbusChanged(variable) {
+    if (variable === "searchEngagementTelemetryEnabled") {
+      this.onPrefChanged("searchEngagementTelemetry.enabled");
+    }
+  }
+
   #previousSearchWordsSet = null;
 }
diff --git a/browser/components/urlbar/UrlbarPrefs.sys.mjs b/browser/components/urlbar/UrlbarPrefs.sys.mjs
index 5a25017755a0..22131f36209e 100644
--- a/browser/components/urlbar/UrlbarPrefs.sys.mjs
+++ b/browser/components/urlbar/UrlbarPrefs.sys.mjs
@@ -129,6 +129,10 @@ const PREF_URLBAR_DEFAULTS = new Map([
   // Applies URL highlighting and other styling to the text in the urlbar input.
   ["formatting.enabled", true],
 
+  // Whether search engagement telemetry should be recorded. This pref is a
+  // fallback for the Nimbus variable `searchEngagementTelemetryEnabled`.
+  ["searchEngagementTelemetry.enabled", false],
+
   // Interval time until taking pause impression telemetry.
   ["searchEngagementTelemetry.pauseImpressionIntervalMs", 1000],
 
diff --git a/browser/components/urlbar/metrics.yaml b/browser/components/urlbar/metrics.yaml
index 82c520ab01cc..161f1ec39d93 100644
--- a/browser/components/urlbar/metrics.yaml
+++ b/browser/components/urlbar/metrics.yaml
@@ -12,7 +12,6 @@ $tags:
 
 urlbar:
   abandonment:
-    disabled: true
     type: event
     description: Recorded when the user abandons a search (blurring the urlbar).
     extra_keys:
@@ -130,7 +129,6 @@ urlbar:
       - fx-search-telemetry@mozilla.com
     expires: never
   engagement:
-    disabled: true
     type: event
     description: Recorded when the user executes an action on a result.
     extra_keys:
@@ -325,7 +323,6 @@ urlbar:
       - fx-search-telemetry@mozilla.com
     expires: never
   impression:
-    disabled: true
     type: event
     description: Recorded when urlbar results are shown to the user.
     extra_keys:
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser.ini b/browser/components/urlbar/tests/engagementTelemetry/browser/browser.ini
index 3debdf4bcccf..4e66293a3044 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/browser.ini
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser.ini
@@ -8,6 +8,7 @@ support-files =
   head-groups.js
   head-interaction.js
   head-n_chars_n_words.js
+  head-preferences.js
   head-sap.js
   head-search_mode.js
   ../../browser-tips/head.js
@@ -22,6 +23,7 @@ skip-if =
 [browser_glean_telemetry_abandonment_interaction_persisted_search_terms_disabled.js]
 [browser_glean_telemetry_abandonment_interaction_persisted_search_terms_enabled.js]
 [browser_glean_telemetry_abandonment_n_chars_n_words.js]
+[browser_glean_telemetry_abandonment_preferences.js]
 [browser_glean_telemetry_abandonment_sap.js]
 [browser_glean_telemetry_abandonment_search_mode.js]
 [browser_glean_telemetry_abandonment_tips.js]
@@ -31,6 +33,7 @@ skip-if =
 [browser_glean_telemetry_engagement_interaction_persisted_search_terms_disabled.js]
 [browser_glean_telemetry_engagement_interaction_persisted_search_terms_enabled.js]
 [browser_glean_telemetry_engagement_n_chars_n_words.js]
+[browser_glean_telemetry_engagement_preferences.js]
 [browser_glean_telemetry_engagement_sap.js]
 [browser_glean_telemetry_engagement_search_mode.js]
 [browser_glean_telemetry_engagement_selected_result.js]
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_preferences.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_preferences.js
new file mode 100644
index 000000000000..757455c3d23a
--- /dev/null
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_preferences.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the Glean telemetry behavior with its preferences.
+
+add_setup(async function() {
+  await initPreferencesTest();
+});
+
+add_task(async function enabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: true,
+    trigger: () => doBlur(),
+    assert: () => assertAbandonmentTelemetry([{ sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function disabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: false,
+    trigger: () => doBlur(),
+    assert: () => assertAbandonmentTelemetry([]),
+  });
+});
+
+add_task(async function nimbusEnabled() {
+  await doNimbusTest({
+    enabled: true,
+    trigger: () => doBlur(),
+    assert: () => assertAbandonmentTelemetry([{ sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function nimbusDisabled() {
+  await doNimbusTest({
+    enabled: false,
+    trigger: () => doBlur(),
+    assert: () => assertAbandonmentTelemetry([]),
+  });
+});
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_tips.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_tips.js
index 6c1db84fbe53..db54d3a340da 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_tips.js
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_abandonment_tips.js
@@ -11,12 +11,9 @@ Services.scriptloader.loadSubScript(
 );
 
 add_setup(async function() {
-  Services.fog.setMetricsFeatureConfig(
-    JSON.stringify({ "urlbar.abandonment": false })
-  );
-
   await SpecialPowers.pushPrefEnv({
     set: [
+      ["browser.urlbar.searchEngagementTelemetry.enabled", true],
       ["browser.urlbar.searchTips.test.ignoreShowLimits", true],
       ["browser.urlbar.showSearchTerms.featureGate", true],
     ],
@@ -33,7 +30,6 @@ add_setup(async function() {
   await Services.search.moveEngine(engine, 0);
 
   registerCleanupFunction(async function() {
-    Services.fog.setMetricsFeatureConfig("{}");
     await SpecialPowers.popPrefEnv();
     await Services.search.setDefault(
       originalDefaultEngine,
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_preferences.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_preferences.js
new file mode 100644
index 000000000000..f1d9f33bd8c3
--- /dev/null
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_preferences.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the Glean telemetry behavior with its preferences.
+
+add_setup(async function() {
+  await initPreferencesTest();
+});
+
+add_task(async function enabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: true,
+    trigger: () => doEnter(),
+    assert: () => assertEngagementTelemetry([{ sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function disabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: false,
+    trigger: () => doEnter(),
+    assert: () => assertEngagementTelemetry([]),
+  });
+});
+
+add_task(async function nimbusEnabled() {
+  await doNimbusTest({
+    enabled: true,
+    trigger: () => doEnter(),
+    assert: () => assertEngagementTelemetry([{ sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function nimbusDisabled() {
+  await doNimbusTest({
+    enabled: false,
+    trigger: () => doEnter(),
+    assert: () => assertEngagementTelemetry([]),
+  });
+});
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_tips.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_tips.js
index bd10fd94bc94..dbc39e8fab17 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_tips.js
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_engagement_tips.js
@@ -17,15 +17,13 @@ ChromeUtils.defineESModuleGetters(this, {
 add_setup(async function() {
   makeProfileResettable();
 
-  Services.fog.setMetricsFeatureConfig(
-    JSON.stringify({ "urlbar.engagement": false })
-  );
   await SpecialPowers.pushPrefEnv({
-    set: [["browser.urlbar.quickactions.enabled", false]],
+    set: [
+      ["browser.urlbar.searchEngagementTelemetry.enabled", true],
+      ["browser.urlbar.quickactions.enabled", false],
+    ],
   });
-
   registerCleanupFunction(async function() {
-    Services.fog.setMetricsFeatureConfig("{}");
     await SpecialPowers.popPrefEnv();
   });
 });
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_impression_preferences.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_impression_preferences.js
index d17b37fd1858..404b8da7a960 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_impression_preferences.js
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_impression_preferences.js
@@ -6,7 +6,41 @@
 // Test the impression telemetry behavior with its preferences.
 
 add_setup(async function() {
-  await setup();
+  await initPreferencesTest();
+});
+
+add_task(async function enabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: true,
+    trigger: () => waitForPauseImpression(),
+    assert: () =>
+      assertImpressionTelemetry([{ reason: "pause", sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function disabled() {
+  await doSearchEngagementTelemetryTest({
+    enabled: false,
+    trigger: () => waitForPauseImpression(),
+    assert: () => assertImpressionTelemetry([]),
+  });
+});
+
+add_task(async function nimbusEnabled() {
+  await doNimbusTest({
+    enabled: true,
+    trigger: () => waitForPauseImpression(),
+    assert: () =>
+      assertImpressionTelemetry([{ reason: "pause", sap: "urlbar_newtab" }]),
+  });
+});
+
+add_task(async function nimbusDisabled() {
+  await doNimbusTest({
+    enabled: false,
+    trigger: () => waitForPauseImpression(),
+    assert: () => assertImpressionTelemetry([]),
+  });
 });
 
 add_task(async function pauseImpressionIntervalMs() {
@@ -16,6 +50,7 @@ add_task(async function pauseImpressionIntervalMs() {
   );
   await SpecialPowers.pushPrefEnv({
     set: [
+      ["browser.urlbar.searchEngagementTelemetry.enabled", true],
       [
         "browser.urlbar.searchEngagementTelemetry.pauseImpressionIntervalMs",
         originalInterval + additionalInterval,
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_record_preferences.js b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_record_preferences.js
index 0e7bdd02ce54..45df8070074e 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_record_preferences.js
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/browser_glean_telemetry_record_preferences.js
@@ -6,18 +6,22 @@
 // Test for preference telemetry.
 
 add_setup(async function() {
+  // Simulate initialization for TelemetryEvent.
+  // 1. Turn browser.urlbar.searchEngagementTelemetry.enabled on.
+  // 2. Remove all Glean data.
+  // 3. Call onPrefChanged() that will be called from TelemetryEvent constructor.
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.urlbar.searchEngagementTelemetry.enabled", true]],
+  });
   await Services.fog.testFlushAllChildren();
   Services.fog.testResetFOG();
-
-  // Create a new window in order to initialize TelemetryEvent of
-  // UrlbarController.
-  const win = await BrowserTestUtils.openNewBrowserWindow();
-  registerCleanupFunction(async function() {
-    await BrowserTestUtils.closeWindow(win);
-  });
+  gURLBar.controller.engagementEvent.onPrefChanged(
+    "searchEngagementTelemetry.enabled"
+  );
 });
 
 add_task(async function prefMaxRichResults() {
+  Assert.ok(UrlbarPrefs.get("maxRichResults"), "Sanity check");
   Assert.equal(
     Glean.urlbar.prefMaxResults.testGetValue(),
     UrlbarPrefs.get("maxRichResults"),
@@ -52,3 +56,66 @@ add_task(async function prefSuggestTopsites() {
     "Record prefSuggestTopsites when the suggest.topsites pref is updated"
   );
 });
+
+add_task(async function searchEngagementTelemetryEnabled() {
+  info("Disable search engagement telemetry");
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.urlbar.searchEngagementTelemetry.enabled", false]],
+  });
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["browser.urlbar.suggest.topsites", !UrlbarPrefs.get("suggest.topsites")],
+      ["browser.urlbar.maxRichResults", 100],
+    ],
+  });
+  Assert.notEqual(
+    Glean.urlbar.prefMaxResults.testGetValue(),
+    UrlbarPrefs.get("maxRichResults"),
+    "Did not record prefMaxResults"
+  );
+  Assert.notEqual(
+    Glean.urlbar.prefSuggestTopsites.testGetValue(),
+    UrlbarPrefs.get("suggest.topsites"),
+    "Did not record prefSuggestTopsites"
+  );
+
+  info("Enable search engagement telemetry");
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.urlbar.searchEngagementTelemetry.enabled", true]],
+  });
+  Assert.equal(
+    Glean.urlbar.prefMaxResults.testGetValue(),
+    UrlbarPrefs.get("maxRichResults"),
+    "Update prefMaxResults when search engagement telemetry is enabled"
+  );
+  Assert.equal(
+    Glean.urlbar.prefSuggestTopsites.testGetValue(),
+    UrlbarPrefs.get("suggest.topsites"),
+    "Update prefSuggestTopsites when search engagement telemetry is enabled"
+  );
+});
+
+add_task(async function nimbusSearchEngagementTelemetryEnabled() {
+  info("Disable search engagement telemetry");
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.urlbar.searchEngagementTelemetry.enabled", false]],
+  });
+
+  info("Enable search engagement telemetry from Nimbus");
+  // eslint-disable-next-line mozilla/valid-lazy
+  const doCleanup = await lazy.UrlbarTestUtils.initNimbusFeature({
+    searchEngagementTelemetryEnabled: true,
+  });
+  Assert.equal(
+    Glean.urlbar.prefMaxResults.testGetValue(),
+    UrlbarPrefs.get("maxRichResults"),
+    "Update prefMaxResults when search engagement telemetry is enabled"
+  );
+  Assert.equal(
+    Glean.urlbar.prefSuggestTopsites.testGetValue(),
+    UrlbarPrefs.get("suggest.topsites"),
+    "Update prefSuggestTopsites when search engagement telemetry is enabled"
+  );
+
+  doCleanup();
+});
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/head-preferences.js b/browser/components/urlbar/tests/engagementTelemetry/browser/head-preferences.js
new file mode 100644
index 000000000000..95330f507160
--- /dev/null
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/head-preferences.js
@@ -0,0 +1,36 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/* import-globals-from head.js */
+
+async function doSearchEngagementTelemetryTest({ trigger, assert, enabled }) {
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.urlbar.searchEngagementTelemetry.enabled", enabled]],
+  });
+
+  await doTest(async browser => {
+    await openPopup("https://example.com");
+
+    await trigger();
+    await assert();
+  });
+
+  await SpecialPowers.popPrefEnv();
+}
+
+async function doNimbusTest({ trigger, assert, enabled }) {
+  const doCleanup = await setupNimbus({
+    searchEngagementTelemetryEnabled: enabled,
+  });
+
+  await doTest(async browser => {
+    await openPopup("https://example.com");
+
+    await trigger();
+    await assert();
+  });
+
+  doCleanup();
+}
diff --git a/browser/components/urlbar/tests/engagementTelemetry/browser/head.js b/browser/components/urlbar/tests/engagementTelemetry/browser/head.js
index 0d42372a1e00..0ea4e6c09afa 100644
--- a/browser/components/urlbar/tests/engagementTelemetry/browser/head.js
+++ b/browser/components/urlbar/tests/engagementTelemetry/browser/head.js
@@ -179,15 +179,6 @@ async function doPasteAndGo(data) {
 async function doTest(testFn) {
   await Services.fog.testFlushAllChildren();
   Services.fog.testResetFOG();
-  // Enable recording telemetry for abandonment, engagement and impression.
-  Services.fog.setMetricsFeatureConfig(
-    JSON.stringify({
-      "urlbar.abandonment": false,
-      "urlbar.engagement": false,
-      "urlbar.impression": false,
-    })
-  );
-
   gURLBar.controller.engagementEvent.reset();
   await PlacesUtils.history.clear();
   await PlacesUtils.bookmarks.eraseEverything();
@@ -198,11 +189,7 @@ async function doTest(testFn) {
   await QuickSuggest.blockedSuggestions._test_readyPromise;
   await updateTopSites(() => true);
 
-  try {
-    await BrowserTestUtils.withNewTab(gBrowser, testFn);
-  } finally {
-    Services.fog.setMetricsFeatureConfig("{}");
-  }
+  await BrowserTestUtils.withNewTab(gBrowser, testFn);
 }
 
 async function initGroupTest() {
@@ -232,6 +219,15 @@ async function initNCharsAndNWordsTest() {
   await setup();
 }
 
+async function initPreferencesTest() {
+  /* import-globals-from head-preferences.js */
+  Services.scriptloader.loadSubScript(
+    "chrome://mochitests/content/browser/browser/components/urlbar/tests/engagementTelemetry/browser/head-preferences.js",
+    this
+  );
+  await setup();
+}
+
 async function initSapTest() {
   /* import-globals-from head-sap.js */
   Services.scriptloader.loadSubScript(
diff --git a/browser/components/urlbar/tests/unit/test_UrlbarPrefs.js b/browser/components/urlbar/tests/unit/test_UrlbarPrefs.js
index c681aca38743..80a4c37b08f3 100644
--- a/browser/components/urlbar/tests/unit/test_UrlbarPrefs.js
+++ b/browser/components/urlbar/tests/unit/test_UrlbarPrefs.js
@@ -358,7 +358,7 @@ add_task(function initializeShowSearchSuggestionsFirstPref() {
 // Tests whether observer.onNimbusChanged works.
 add_task(async function onNimbusChanged() {
   Services.prefs.setBoolPref(
-    "browser.urlbar.autoFill.adaptiveHistory.enabled",
+    "browser.urlbar.searchEngagementTelemetry.enabled",
     false
   );
 
@@ -387,11 +387,11 @@ add_task(async function onNimbusChanged() {
   UrlbarPrefs.addObserver(observer);
 
   const doCleanup = await UrlbarTestUtils.initNimbusFeature({
-    autoFillAdaptiveHistoryEnabled: true,
+    searchEngagementTelemetryEnabled: true,
   });
   Assert.equal(observer.prefChangedList.length, 0);
   Assert.ok(
-    observer.nimbusChangedList.includes("autoFillAdaptiveHistoryEnabled")
+    observer.nimbusChangedList.includes("searchEngagementTelemetryEnabled")
   );
   doCleanup();
 });
@@ -399,10 +399,10 @@ add_task(async function onNimbusChanged() {
 // Tests whether observer.onPrefChanged works.
 add_task(async function onPrefChanged() {
   const doCleanup = await UrlbarTestUtils.initNimbusFeature({
-    autoFillAdaptiveHistoryEnabled: false,
+    searchEngagementTelemetryEnabled: false,
   });
   Services.prefs.setBoolPref(
-    "browser.urlbar.autoFill.adaptiveHistory.enabled",
+    "browser.urlbar.searchEngagementTelemetry.enabled",
     false
   );
 
@@ -434,16 +434,19 @@ add_task(async function onPrefChanged() {
   UrlbarPrefs.addObserver(observer);
 
   Services.prefs.setBoolPref(
-    "browser.urlbar.autoFill.adaptiveHistory.enabled",
+    "browser.urlbar.searchEngagementTelemetry.enabled",
     true
   );
   await deferred.promise;
   Assert.equal(observer.prefChangedList.length, 1);
-  Assert.equal(observer.prefChangedList[0], "autoFill.adaptiveHistory.enabled");
+  Assert.equal(
+    observer.prefChangedList[0],
+    "searchEngagementTelemetry.enabled"
+  );
   Assert.equal(observer.nimbusChangedList.length, 0);
 
   Services.prefs.clearUserPref(
-    "browser.urlbar.autoFill.adaptiveHistory.enabled"
+    "browser.urlbar.searchEngagementTelemetry.enabled"
   );
   doCleanup();
 });
diff --git a/toolkit/components/nimbus/FeatureManifest.yaml b/toolkit/components/nimbus/FeatureManifest.yaml
index 471ff306e6c8..a28d84a48ecc 100644
--- a/toolkit/components/nimbus/FeatureManifest.yaml
+++ b/toolkit/components/nimbus/FeatureManifest.yaml
@@ -222,6 +222,10 @@ urlbar:
       type: boolean
       setPref: browser.urlbar.resultMenu
       description: Enable the per-result three-dot menu with options such as Dismiss and Learn More.
+    searchEngagementTelemetryEnabled:
+      type: boolean
+      fallbackPref: browser.urlbar.searchEngagementTelemetry.enabled
+      description: Whether search engagement telemetry should be enabled.
     showSearchTermsFeatureGate:
       type: boolean
       fallbackPref: browser.urlbar.showSearchTerms.featureGate