Mercedes Classe G W463 (1989 – 2018)

Reliability score : 7.2/10

The Mercedes-Benz G-Class (W463) is a true automotive icon. Launched in 1989, this generation marks the transition of the G from a pure military/agricultural utility vehicle (W460/W461) to a luxury vehicle, while retaining its ladder frame chassis, rigid axles, and three differential locks. Produced for nearly 30 years with multiple interior and technological updates, it has seen a wide variety of engines. In diesel, its history is mixed: it ranges from the indestructible inline-6 (OM606) to the highly problematic V8 CDI (OM628), passing through the widespread V6 CDI (OM642). It is a vehicle with undeniable charm and exceptional off-road capabilities, but whose road handling remains rustic and maintenance very expensive. Overall design rating: 7.5/10 (Penalized by aerodynamics, fuel consum

✅ Strengths

⚠️ Weaknesses

🎯 Verdict

The Mercedes G-Class W463 is a passionate purchase that defies all economic logic. If you are looking for a diesel, the choice is crucial. Absolutely avoid the G 400 CDI (OM628), a true mechanical nightmare. For pure collection/off-road use, the G 300 TD (OM606) is the Holy Grail of reliability, although it is starting to age. For a more modern and versatile use, the G 350 CDI/BlueTEC (OM642) is the best compromise, provided you verify that the oil cooler issue has been addressed and accept high maintenance costs. Never forget that a G-Class rusts: a meticulous inspection of the bodywork and the operation of the differential locks is mandatory before any purchase.