Chart based on 504 Volvo S40 and 228 Mercury Mariner repairs.
Chart based on 386 Volvo S40 and 190 Mercury Mariner repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Volvo S40 or Mercury Mariner problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Volvo S40 and Mercury Mariner Problems and Repair Histories