diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index c45c75a39d..7226d337d1 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -1646,15 +1646,15 @@
 // with NOZZLE_AS_PROBE this can be negative for a wider probing area.
 #define PROBING_MARGIN 10
 
-// X and Y axis travel speed (mm/min) between probes.
+// X and Y axis travel speed between probes.
 // Leave undefined to use the average of the current XY homing feedrate.
-#define XY_PROBE_FEEDRATE (133*60)
+#define XY_PROBE_FEEDRATE   (133*60)  // (mm/min)
 
 // Feedrate (mm/min) for the first approach when double-probing (MULTIPLE_PROBING == 2)
-#define Z_PROBE_FEEDRATE_FAST (4*60)
+#define Z_PROBE_FEEDRATE_FAST (4*60)  // (mm/min)
 
 // Feedrate (mm/min) for the "accurate" probe of each point
-#define Z_PROBE_FEEDRATE_SLOW (Z_PROBE_FEEDRATE_FAST / 2)
+#define Z_PROBE_FEEDRATE_SLOW (Z_PROBE_FEEDRATE_FAST / 2) // (mm/min)
 
 /**
  * Probe Activation Switch
diff --git a/Marlin/src/core/types.h b/Marlin/src/core/types.h
index 7793f1f995..74570ced76 100644
--- a/Marlin/src/core/types.h
+++ b/Marlin/src/core/types.h
@@ -346,7 +346,7 @@ enum AxisEnum : uint8_t {
 #define LOOP_DISTINCT_E(VAR) for (uint8_t VAR = 0; VAR < DISTINCT_E; ++VAR)
 
 //
-// feedRate_t is just a humble float
+// feedRate_t is just a humble float that can represent mm/s or mm/min
 //
 typedef float feedRate_t;
 
diff --git a/Marlin/src/gcode/bedlevel/abl/G29.cpp b/Marlin/src/gcode/bedlevel/abl/G29.cpp
index be23de24b1..3b922dd54f 100644
--- a/Marlin/src/gcode/bedlevel/abl/G29.cpp
+++ b/Marlin/src/gcode/bedlevel/abl/G29.cpp
@@ -392,8 +392,12 @@ G29_TYPE GcodeSuite::G29() {
 
     #if ABL_USES_GRID
 
+      constexpr feedRate_t min_probe_feedrate_mm_s = XY_PROBE_FEEDRATE_MIN;
       xy_probe_feedrate_mm_s = MMM_TO_MMS(parser.linearval('S', XY_PROBE_FEEDRATE));
-      if (xy_probe_feedrate_mm_s == 0) xy_probe_feedrate_mm_s = XY_PROBE_FEEDRATE; // Don't let "UBL Save Slot #0" break G29
+      if (xy_probe_feedrate_mm_s < min_probe_feedrate_mm_s) {
+        xy_probe_feedrate_mm_s = min_probe_feedrate_mm_s;
+        SERIAL_ECHOLNPGM(GCODE_ERR_MSG("Feedrate (S) too low. (Using ", min_probe_feedrate_mm_s, ")"));
+      }
 
       const float x_min = probe.min_x(), x_max = probe.max_x(),
                   y_min = probe.min_y(), y_max = probe.max_y();
diff --git a/Marlin/src/inc/Conditionals-3-etc.h b/Marlin/src/inc/Conditionals-3-etc.h
index 6a1b3b7999..7f005c3539 100644
--- a/Marlin/src/inc/Conditionals-3-etc.h
+++ b/Marlin/src/inc/Conditionals-3-etc.h
@@ -493,6 +493,9 @@
 #endif
 #if ANY(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)
   #define ABL_USES_GRID 1
+  #ifndef XY_PROBE_FEEDRATE_MIN
+    #define XY_PROBE_FEEDRATE_MIN 60 // Minimum mm/min value for 'G29 S<feedrate>'
+  #endif
 #endif
 #if ANY(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_3POINT)
   #define HAS_ABL_NOT_UBL 1