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A-CLASS (W176)
Description Cylinder Capacity Horse Power Year
A 180 (176.042) 1595 CCM 122 HP 09/2012 - 05/2018
A 200 (176.043) 1595 CCM 156 HP 06/2012 - 05/2018
A 250 (176.044) 1991 CCM 211 HP 06/2012 - 05/2018
A 250 4-matic (176.046) 1991 CCM 211 HP 06/2013 - 05/2018
A 220 4-matic (176.047) 1991 CCM 184 HP 05/2014 - 05/2018
B-CLASS Sports Tourer (W246, W242)
Description Cylinder Capacity Horse Power Year
B 180 (246.242) 1595 CCM 122 HP 11/2011 - 12/2018
B 200 (246.243) 1595 CCM 156 HP 11/2011 - 12/2018
B 220 4-matic (246.247) 1991 CCM 184 HP 05/2013 - 12/2018
B 250 (246.244) 1991 CCM 211 HP 05/2012 - 12/2018
B 250 4-matic (246.246) 1991 CCM 211 HP 08/2014 - 12/2018
CLA Coupe (C117)
Description Cylinder Capacity Horse Power Year
CLA 250 4-matic (117.346) 1991 CCM 211 HP 07/2013 - 03/2019
CLA 180 (117.342) 1595 CCM 122 HP 01/2013 - 03/2019
CLA 200 (117.343) 1595 CCM 156 HP 01/2013 - 03/2019
CLA 250 (117.344) 1991 CCM 211 HP 01/2013 - 03/2019
CLA Shooting Brake (X117)
Description Cylinder Capacity Horse Power Year
CLA 180 (117.942) 1595 CCM 122 HP 01/2015 - 03/2019
CLA 200 (117.943) 1595 CCM 156 HP 01/2015 - 03/2019
CLA 250 (117.944) 1991 CCM 211 HP 01/2015 - 03/2019
CLA 250 4-matic (117.946) 1991 CCM 211 HP 01/2015 - 03/2019
CLA 250 4-matic (117.951) 1991 CCM 218 HP 07/2015 - 03/2019
CLA 220 4-matic (117.947) 1991 CCM 184 HP 04/2016 - 03/2019
GLA-CLASS (X156)
Description Cylinder Capacity Horse Power Year
GLA 200 (156.943) 1595 CCM 156 HP 12/2013 - 12/2019
GLA 250 (156.944) 1991 CCM 211 HP 12/2013 - 12/2019
GLA 250 4-matic (156.946) 1991 CCM 211 HP 12/2013 - 12/2019
GLA 180 (156.942) 1595 CCM 122 HP 02/2015 - 12/2019

The Napa NAL1917 Alternator is a replacement starting or charging-system component that supports electrical power generation, storage or engine cranking in the vehicle. Its catalogue specification records 12 V electrical rating, 2,350 mm length, 1,849 mm width, and 1,699 mm height. Match the reference, voltage, output or capacity, terminals, mounting and vehicle application before fitting; isolate the electrical system and follow the manufacturer's coding procedure where required.

Function : Alternator
Voltage [V] : 12
Alternator Charging Current [A] : 150
Number of ribs : 5
Pulleys : with freewheel belt pulley
Length [mm] : 2,350
Width [mm] : 1,849
Height [mm] : 1,699
Manufacturer Restriction : Bosch
  • Vendor NAPA
  • SKU NAL1917
  • Barcode 5056536508294
  • APEC : AAL1917
  • APEC : AAL1918
  • FEBI BILSTEIN : 1003663
  • NAPA : NAL1918
  • WAI : 20741N
  • WAI : A133.392

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