This comprehensive workshop manual provides detailed information for the 155, a vehicle renowned for its spirited performance and distinctive Italian styling. Covering a range of production years, this manual is an essential resource for owners and enthusiasts looking to understand, maintain, or restore their 155. Its engineering quality and reliability are hallmarks of the brand, and this guide offers the in-depth knowledge required to preserve these attributes.

The scope of this manual is extensive, encompassing critical areas such as mechanical units, bodywork, engines, electrical systems, electronic diagnosis, and braking systems. With over 1,000 pages of detailed content, it serves as an authoritative guide for performing maintenance procedures, diagnosing issues, and executing repairs. This manual is designed to empower owners, mechanics, and technicians with the precise information needed to ensure the continued optimal performance and longevity of the 155.