Ford Mondeo III (B4Y/B5Y) (2000–2007) (2000 – 2007)

Reliability score : 6.5/10

The third-generation Ford Mondeo (chassis codes B4Y for the 4-door sedan, B5Y for the 5-door sedan, and BWY for the wagon) was launched in 2000 and marked a turning point for Ford in Europe. Based on a new CD132 platform, it stood out with a more modern design, a spacious interior, and significantly improved finish quality compared to its predecessor. Renowned for its excellent road handling, precise steering, and comfort, it quickly became a benchmark in the family executive car segment. Two restyling phases took place: a first in 2003 (headlights, grille, interior) and a second in 2005 (taillights, some interior details). Despite its dynamic qualities, the reliability of certain diesel engines, particularly the early TDCi versions, may have tarnished its image, although the gasoline engi

✅ Strengths

Common issues

Volant moteur bi-masse (DMF) défaillant High
🔧 120 000 – 200 000 km
💶 800 – 1 500 €
Vérifier bruits anormaux ou vibrations à l'embrayage, surtout au ralenti.
Injecteurs diesel encrassés ou défectueux Medium
🔧 150 000 – 250 000 km
💶 800 – 1 600 € (pour 4 injecteurs)
Utiliser du carburant de qualité et envisager des additifs nettoyants préventifs.
Vanne EGR encrassée ou bloquée Low
🔧 80 000 – 180 000 km
💶 250 – 500 € (remplacement)
Une conduite régulière sur autoroute aide à prévenir l'encrassement.
Turbocharger défaillant High
🔧 180 000 – 280 000 km
💶 1 000 – 2 000 €
Laisser le moteur tourner au ralenti quelques instants avant de couper après un long trajet.

Estimated maintenance costs

Oil change £70 – 130
Timing chain £700 – 1 300
Clutch £750 – 1 400
Complete brakes £220 – 480
Estimated annual budget £550 – 1 100

Indicative estimates (independent garage, UK market). Prices vary by region and year.