Mercedes-Benz GLS X164 420
2006–2012 · SUV
Version
Engine
4.0L 8-cyl · Diesel
Power
306 HP
Torque
700 Nm
Transmission
AUTOMATIC
Drive
AWD
0-100 km/h
7.2 sec
Top Speed
230 km/h
Fuel consumption
11.3 L/100km
Body
SUV
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Model overview
A model overview is not available for this generation yet.
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Engine overview · 4.0L 8-cyl DIESEL
A refined and capable diesel V8, but its complex fuel, turbo, emissions and cooling systems require strong maintenance evidence.
Pros
- Refined long-distance performance.
Cons
- Potentially expensive diesel-system repairs.
- Crowded engine bay can increase labour time.
- Age-related leaks and electrical faults need attention.
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Injector and fuel-system wearHigh
- Turbocharger and boost-control faultsHigh
- EGR, intake and emissions-system contaminationMedium
- Timing-drive and oil-leak inspectionHigh
Maintenance
Use the VIN-specific service schedule and approved diesel oil; maintain filtration and investigate smoke, warning messages, leaks or temperature changes promptly.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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