Supercharged internal combustion engine and method for operating an internal combustion engine of said type

A supercharged internal combustion engine, comprising:

• a cylinder;
• an intake line in an intake system for supplying charge air to the cylinder;
• an exhaust line for discharging exhaust gases;
• an exhaust-gas turbocharger including a turbine arranged in the exhaust line and a compressor arranged in the intake line;
• an exhaust-gas recirculation arrangement including a recirculation line which branches off from the exhaust line downstream of the turbine and opens into the intake line upstream of the compressor;
• and
• a sensor for detecting a concentration Ci,intake of a component i of the charge air in the intake system provided downstream of an opening of the recirculation line into the intake line, wherein a charge-air cooler is provided in the intake line downstream of the compressor, wherein the cylinder has at least one inlet opening, and wherein in an installed position of the internal combustion engine, the charge-air cooler is arranged above the at least one inlet opening of the cylinder, wherein a geodetic height in the intake system decreases continuously in a flow direction proceeding from an inlet of the charge-air cooler into the charge-air cooler toward the at least one inlet opening of the cylinder, wherein the sensor is arranged between the compressor and the charge-air cooler.