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3.0 CRD V6 (VM Motori A630 / EcoDiesel)

2011–2021 · diesel · 2987cc · 241hp

Engine codes: A630, EXL

Problematic

Reliability, common problems and owner reviews for the Jeep Grand Cherokee 3.0 CRD V6 (VM Motori A630 / EcoDiesel). Check this before you buy used.

The WK2 switched from the Mercedes OM642 to the Fiat/VM Motori 3.0 — and it's more troublesome: lifter ticking, coolant intrusion, EGR-cooler-related overheating, and catalytic converters that block badly (and can't be removed without special programming). Torquey and capable, but a higher-risk diesel than the older OM642 — demand full history.

Known Issues

Catalytic converter / emissions blockagecritical

Cats block badly and can't be removed without special programming; EGR cooler faults cause overheating.

Fix / Workaround: Check emissions system; specialist work needed; avoid neglected cars.

Repair cost: €600–€2500

Typically appears after: 120,000 km

Lifter tick / coolant intrusioncritical

Lifter ticking and coolant intrusion reported — can lead to major repairs.

Fix / Workaround: Investigate ticking/coolant loss early; full diagnostics.

Repair cost: €500–€3000

Typically appears after: 130,000 km

Year Cutoffs

2011: Before — Previous gen (WH) used the better Mercedes OM642. After — WK2 VM Motori 3.0 — more troublesome emissions/lifter issues.

Mileage Thresholds

After 120,000 km: Cat/EGR/lifter issues cluster.

Pre-Purchase Checklist

  • ☐Check emissions system / cat condition
  • ☐Listen for lifter tick; check coolant
  • ☐Demand full service history
  • ☐Higher-risk than the older OM642 diesel

Frequently asked questions

Is the Jeep Grand Cherokee 3.0 CRD V6 (VM Motori A630 / EcoDiesel) reliable?

Problematic — The WK2 switched from the Mercedes OM642 to the Fiat/VM Motori 3.0 — and it's more troublesome: lifter ticking, coolant intrusion, EGR-cooler-related overheating, and catalytic converters that block badly (and can't be removed without special programming). Torquey and capable, but a higher-risk diesel than the older OM642 — demand full history.

What are the common problems and reviews for the Jeep Grand Cherokee 3.0 CRD V6 (VM Motori A630 / EcoDiesel)?

The most commonly reported problems: Catalytic converter / emissions blockage, Lifter tick / coolant intrusion.

Is a used Jeep Grand Cherokee 3.0 CRD V6 (VM Motori A630 / EcoDiesel) worth buying?

Known design issues and recurring faults that were never fully resolved. Buy only with eyes open.