diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
index 73a8ec582..faf3859f1 100644
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@@ -205,25 +205,26 @@
   }while(0)
 
 // Macros for initializing arrays
-#define ARRAY_16(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,...) { A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P }
-#define ARRAY_15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,...) { A,B,C,D,E,F,G,H,I,J,K,L,M,N,O }
-#define ARRAY_14(A,B,C,D,E,F,G,H,I,J,K,L,M,N,...) { A,B,C,D,E,F,G,H,I,J,K,L,M,N }
-#define ARRAY_13(A,B,C,D,E,F,G,H,I,J,K,L,M,...) { A,B,C,D,E,F,G,H,I,J,K,L,M }
-#define ARRAY_12(A,B,C,D,E,F,G,H,I,J,K,L,...) { A,B,C,D,E,F,G,H,I,J,K,L }
-#define ARRAY_11(A,B,C,D,E,F,G,H,I,J,K,...) { A,B,C,D,E,F,G,H,I,J,K }
-#define ARRAY_10(A,B,C,D,E,F,G,H,I,J,...) { A,B,C,D,E,F,G,H,I,J }
-#define ARRAY_9( A,B,C,D,E,F,G,H,I,...) { A,B,C,D,E,F,G,H,I }
-#define ARRAY_8( A,B,C,D,E,F,G,H,...) { A,B,C,D,E,F,G,H }
-#define ARRAY_7( A,B,C,D,E,F,G,...) { A,B,C,D,E,F,G }
-#define ARRAY_6( A,B,C,D,E,F,...) { A,B,C,D,E,F }
-#define ARRAY_5( A,B,C,D,E,...) { A,B,C,D,E }
-#define ARRAY_4( A,B,C,D,...) { A,B,C,D }
-#define ARRAY_3( A,B,C,...) { A,B,C }
-#define ARRAY_2( A,B,...) { A,B }
-#define ARRAY_1( A,...) { A }
+#define LIST_16(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P
+#define LIST_15(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N,O
+#define LIST_14(A,B,C,D,E,F,G,H,I,J,K,L,M,N,...) A,B,C,D,E,F,G,H,I,J,K,L,M,N
+#define LIST_13(A,B,C,D,E,F,G,H,I,J,K,L,M,...) A,B,C,D,E,F,G,H,I,J,K,L,M
+#define LIST_12(A,B,C,D,E,F,G,H,I,J,K,L,...) A,B,C,D,E,F,G,H,I,J,K,L
+#define LIST_11(A,B,C,D,E,F,G,H,I,J,K,...) A,B,C,D,E,F,G,H,I,J,K
+#define LIST_10(A,B,C,D,E,F,G,H,I,J,...) A,B,C,D,E,F,G,H,I,J
+#define LIST_9( A,B,C,D,E,F,G,H,I,...) A,B,C,D,E,F,G,H,I
+#define LIST_8( A,B,C,D,E,F,G,H,...) A,B,C,D,E,F,G,H
+#define LIST_7( A,B,C,D,E,F,G,...) A,B,C,D,E,F,G
+#define LIST_6( A,B,C,D,E,F,...) A,B,C,D,E,F
+#define LIST_5( A,B,C,D,E,...) A,B,C,D,E
+#define LIST_4( A,B,C,D,...) A,B,C,D
+#define LIST_3( A,B,C,...) A,B,C
+#define LIST_2( A,B,...) A,B
+#define LIST_1( A,...) A
 
-#define _ARRAY_N(N,V...) ARRAY_##N(V)
-#define ARRAY_N(N,V...) _ARRAY_N(N,V)
+#define _LIST_N(N,V...) LIST_##N(V)
+#define LIST_N(N,V...) _LIST_N(N,V)
+#define ARRAY_N(N,V...) { _LIST_N(N,V) }
 
 // Macros for adding
 #define INC_0 1
diff --git a/Marlin/src/core/serial.h b/Marlin/src/core/serial.h
index 23f6240e1..f1b18c214 100644
--- a/Marlin/src/core/serial.h
+++ b/Marlin/src/core/serial.h
@@ -139,14 +139,41 @@ extern uint8_t marlin_debug_flags;
 #define _SELP_21(a,b,V...) do{ _SEP_2(a,b); _SELP_19(V); }while(0)
 #define _SELP_22(a,b,V...) do{ _SEP_2(a,b); _SELP_20(V); }while(0)
 #define _SELP_23(a,b,V...) do{ _SEP_2(a,b); _SELP_21(V); }while(0)
-#define _SELP_24(a,b,V...) do{ _SEP_2(a,b); _SELP_22(V); }while(0)
+#define _SELP_24(a,b,V...) do{ _SEP_2(a,b); _SELP_22(V); }while(0) // Use up two, pass the rest up
 
 #define SERIAL_ECHOLNPAIR(V...) _SELP_N(NUM_ARGS(V),V)
 
+// Print up to 20 comma-separated pairs of values
+#define __SLST_N(N,V...)   _SLST_##N(V)
+#define _SLST_N(N,V...)    __SLST_N(N,V)
+#define _SLST_1(a)         SERIAL_ECHO(a)
+#define _SLST_2(a,b)       do{ SERIAL_ECHO(a); SERIAL_ECHOPAIR(", ",b);     }while(0)
+#define _SLST_3(a,b,c)     do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_1(c);  }while(0)
+#define _SLST_4(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_2(V);  }while(0)
+#define _SLST_5(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_3(V);  }while(0)
+#define _SLST_6(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_4(V);  }while(0)
+#define _SLST_7(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_5(V);  }while(0)
+#define _SLST_8(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_6(V);  }while(0)
+#define _SLST_9(a,b,V...)  do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_7(V);  }while(0)
+#define _SLST_10(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_8(V);  }while(0)
+#define _SLST_11(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_9(V);  }while(0)
+#define _SLST_12(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_10(V); }while(0)
+#define _SLST_13(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_11(V); }while(0)
+#define _SLST_14(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_12(V); }while(0)
+#define _SLST_15(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_13(V); }while(0)
+#define _SLST_16(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_14(V); }while(0)
+#define _SLST_17(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_15(V); }while(0)
+#define _SLST_18(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_16(V); }while(0)
+#define _SLST_19(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_17(V); }while(0)
+#define _SLST_20(a,b,V...) do{ SERIAL_ECHO(a); _SEP_2(", ",b); _SLST_18(V); }while(0) // Use up two, pass the rest up
+
+#define SERIAL_ECHOLIST(pre,V...)   do{ SERIAL_ECHOPGM(pre); _SLST_N(NUM_ARGS(V),V); }while(0)
+#define SERIAL_ECHOLIST_N(N,V...)   _SLST_N(N,LIST_N(N,V))
+
 #define SERIAL_ECHOPGM(S)           (serialprintPGM(PSTR(S)))
 #define SERIAL_ECHOLNPGM(S)         (serialprintPGM(PSTR(S "\n")))
 
-#define SERIAL_ECHOPAIR_F(S, V...)  do{ SERIAL_ECHOPGM(S); SERIAL_ECHO_F(V); }while(0)
+#define SERIAL_ECHOPAIR_F(S,V...)   do{ SERIAL_ECHOPGM(S); SERIAL_ECHO_F(V); }while(0)
 #define SERIAL_ECHOLNPAIR_F(V...)   do{ SERIAL_ECHOPAIR_F(V); SERIAL_EOL(); }while(0)
 
 #define SERIAL_ECHO_START()         serial_echo_start()