A phosphate free automatic dishwashing cleaning composition comprising a dispersant polymer, a surface-modification surface-substantive polymer and a complexing agent, wherein the surface-modification surface-substantive polymer is a cationic polymer which comprises in copolymerized form: i. from 60% to 99% by weight of the cationic polymer of at least one monoethylenically unsaturated polyalkylene oxide monomer of the formula I (monomer (A)) in which the variables have the following meanings: X is -CO-; Y is -O-; R1 is hydrogen or methyl; R2 is an ethylene radical; R3 is methyl; n is an integer from 15 to 60, ii. from 1 to 40% by weight of the cationic polymer of at least one quaternized nitrogen-containing monomer of the formula IIa (monomer (B)) in which the variables have the following meanings: R is methyl; X- is halide, C 1 -C 4 -alkyl sulfate, C1-C4-alkylsulfonate and C 1 -C 4 -alkyl carbonate. iii. from 0 to 15% by weight of the cationic polymer of at least one anionic monoethylenically unsaturated monomer (monomer (C)), and iv. from 0 to 30% by weight of the cationic polymer of at least one other nonionic monoethylenically unsaturated monomer (monomer (D)), wherein the weight ratio of monomer (A) to monomer (B) is ≥ 2:1 and for the case where the copolymer comprises a monomer (C), the weight ratio of monomer (B) to monomer (C) is also ≥ 2:1, more preferably is ≥ 2.5:1; wherein the cationic polymer has a weight average molecular weight (Mw) from 25,000 g/molto 200,000 g/mol; wherein the dispersant polymer is a carboxylated/sulfonated polymer; and wherein the complexing agent selected from the group consisting of methyl glycine diacetic acid, its salts and derivatives thereof, glutamic-N,N- diacetic acid, its salts and derivatives thereof, iminodisuccinic acid, its salts and derivatives thereof, carboxy methyl inulin, its salts and derivatives thereof, and mixtures thereof. i. from 60% to 99% by weight of the cationic polymer of at least one monoethylenically unsaturated polyalkylene oxide monomer of the formula I (monomer (A)) in which the variables have the following meanings: X is -CO-; Y is -O-; R1 is hydrogen or methyl; R2 is an ethylene radical; R3 is methyl; n is an integer from 15 to 60, X is -CO-; Y is -O-; R1 is hydrogen or methyl; R2 is an ethylene radical; R3 is methyl; n is an integer from 15 to 60, ii. from 1 to 40% by weight of the cationic polymer of at least one quaternized nitrogen-containing monomer of the formula IIa (monomer (B)) in which the variables have the following meanings: R is methyl; X- is halide, C 1 -C 4 -alkyl sulfate, C1-C4-alkylsulfonate and C 1 -C 4 -alkyl carbonate. R is methyl; X- is halide, C 1 -C 4 -alkyl sulfate, C1-C4-alkylsulfonate and C 1 -C 4 -alkyl carbonate. iii. from 0 to 15% by weight of the cationic polymer of at least one anionic monoethylenically unsaturated monomer (monomer (C)), and iv. from 0 to 30% by weight of the cationic polymer of at least one other nonionic monoethylenically unsaturated monomer (monomer (D)), wherein the weight ratio of monomer (A) to monomer (B) is ≥ 2:1 and for the case where the copolymer comprises a monomer (C), the weight ratio of monomer (B) to monomer (C) is also ≥ 2:1, more preferably is ≥ 2.5:1; wherein the cationic polymer has a weight average molecular weight (Mw) from 25,000 g/molto 200,000 g/mol; wherein the dispersant polymer is a carboxylated/sulfonated polymer; and wherein the complexing agent selected from the group consisting of methyl glycine diacetic acid, its salts and derivatives thereof, glutamic-N,N- diacetic acid, its salts and derivatives thereof, iminodisuccinic acid, its salts and derivatives thereof, carboxy methyl inulin, its salts and derivatives thereof, and mixtures thereof. <EOS>