Electrical System Malfunctions

Complaints frequently cite issues with the electrical system, including 12V battery charging faults, infotainment system freezes, and errors with driver assistance systems like City Safety. Water ingress from panoramic sunroofs can exacerbate these problems. Estimated repair cost: $200 - $1500+.

Owners report premature wear of brake rotors and pads, often accompanied by noise or reduced performance. Some instances suggest potential issues with brake boosters or other critical components. Estimated repair cost: $300 - $800.

Several complaints point to leaks from the fuel filler pipe, sometimes leading to check engine lights. These issues have been reported at relatively low mileages. Estimated repair cost: $200 - $500.

Engine-related complaints include general performance issues and potential component failures. While specific common failures are not detailed, the frequency suggests attention is warranted. Estimated repair cost: $500 - $3000+.

CARFOCALvehicle research

2018 Volvo XC90 Maintenance guide

Name: Maintenance dataset for 2018 Volvo XC90
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2018 Volvo XC90 requires diligent maintenance, with a notable focus on its electrical system and brakes, which are frequent complaint areas. Owners should anticipate potential issues with these systems, alongside the engine and fuel components, given the 52 complaints logged.

View Critical Issue: Engine Issues

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1000

TSBs & Recalls

236 TSBs | 3 Recalls

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Key Takeaways

Prioritize electrical system health, including battery and sunroof drains.
Regularly inspect brakes for premature wear.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance