Search by number: 2003 Mercedes Benz C Class 2.6L Alternator ProAmp 13928 $131.00 each OPTIONS: Valeo Unit 120 Amp Exc 4MATIC Models ProAmp 13884 $131.00 each OPTIONS: Bosch Unit 120 Amp Exc 4MATIC Models ProAmp 11042 $137.00 each OPTIONS: Bosch Unit 150 Amp 4MATIC Models ProAmpN 13884N $230.00 each OPTIONS: Bosch Unit 120 Amp Exc 4MATIC Models ProAmpN 11042N $236.00 each OPTIONS: Bosch Unit 150 Amp 4MATIC Models ProAmpN 13928N $297.00 each OPTIONS: Valeo Unit 120 Amp Exc 4MATIC Models Why is there more than one unit for my car? Look at the TECH SPECS when more than one unit is shown for your car. AMPS (ELECTRIC CAPACITY): must match you vehicle electric requirements. *** Call us if you are looking to increase your unit capacity! OE ALTERNATOR MANUFACTURER: It is recommended to match the Make of your alternator