Mercedes-Benz M-Class W164 ML 350
Model overview
A spacious, comfortable luxury SUV. Ageing suspension, electrical equipment and four-wheel-drive components can make upkeep expensive.
Pros
- Comfortable spacious cabin
- Useful 4MATIC traction
- Good towing capability in suitable specifications
Cons
- High running costs
- Costly driveline repairs
- AIRMATIC adds cost where fitted
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Transfer-case wearMedium
- AIRMATIC faults where fittedMedium
- Electrical equipment faultsMedium
- Suspension wear and corrosionMedium
Maintenance
Maintain the gearbox, transfer case, differentials and fitted suspension under their specified schedules.
Engine overview · 3.5L 6-cyl PETROL
A smooth naturally aspirated petrol V6. Earlier M272 balance-shaft applications and ageing intake or sealing components can be costly.
Pros
- Smooth V6 delivery
- Predictable power response
- No turbocharger hardware
Cons
- High fuel consumption
- Costly timing-related repairs
- Intake hardware repair costs
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Balance-shaft gear wear on affected early M272 enginesHigh
- Intake-runner faultsMedium
- Oil leaksMedium
- Cooling-system faultsMedium
Maintenance
Follow the engine-specific service schedule; balance-shaft applicability depends on the engine's production details.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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