ECU upgrade for 65 AMG V12 engines      Performance optimization of any 65 AMG or Maybach 57/62 model with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 690 HP and 1150 Nm (SL Black Series: up to 720 HP) ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 15.995,00 DKK ECU upgrade for 63 AMG V8 engines      Performance optimization of any 63 AMG model with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 535 HP and 650 Nm. ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 9.295,00 DKK ECU upgrade for 600 V12 B/T engines      Performance optimization of any 600 V12 BiTurbo model with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 690 HP and 1100 Nm. ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 15.995,00 DKK ECU upgrade for 500/550 V8 engines (M273)      Performance optimization of 500/550 V8 models with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 405 HP and 575 Nm. ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 7.495,00 DKK ECU upgr. for 430-500/55 AMG V8's (M113)      Performance optimization of 430/500 V8 and N/A 55 AMG models with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power by 12-25 HP. ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 5.995,00 DKK ECU upgrade for 350 V6 engines (M272)      Performance optimization of 350 V6 cars with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 290 HP and 360 Nm. ------------------------- NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us. Estimated delivery time 3-7 Day(s) In stock   Price ex. VAT: 7.495,00 DKK