Thank you for using our ownership calculator. This article examines the real-world costs and common issues for the 2008 Mercedes-Benz M-Class (W164) ML 500 4-matic (164.175) with 325990 km on the odometer.
Estimated Market Price
Approximate used market value in the US is $4500-$7500 depending on condition. Certified pre-owned examples range $9000-$12000 while a pristine low-mileage car can reach $15000.
Depreciation — Past Year
The vehicle lost approximately $1200 or 18% of its value over the past twelve months.
Depreciation Forecast
Projected further loss: $800 in year 1 (resale ~$3700), $2100 over 3 years (resale ~$2400), and $3200 over 5 years (resale ~$1300).
Breakdown Frequency & Repair Costs
This model experiences moderate to high breakdown frequency at high mileage. Average repair bill is $850-$1400 USD.
Engine Reliability & Repair Costs
The 5.0L V8 (164.175) is rated average reliability at 325990 km. Common issues include timing chain stretch, valve cover leaks, and coolant pipe failures. Typical repairs: timing chain $2800, valve covers $650, radiator hoses $420.
Transmission & Gearbox Reliability
The 7-speed automatic and 4MATIC drivetrain are generally durable but suffer from conductor plate failure and transfer case leaks. Average repair costs: conductor plate $1350, transfer case rebuild $3100.
Electrical System & Multimedia Reliability
Electronics show frequent glitches with SAM modules, air suspension sensors, and COMAND system. Typical repair costs range $300-$1100 USD.
Suspension & Chassis Reliability
Air suspension reliability is below average. Common wear items: air struts $950 each, compressor $780, control arms $420 per side.
Body & Exterior
Paint quality is good with average rust protection. OEM bumpers cost $650-$950, fenders $420, headlight assemblies $380 each. Parts are widely available.
Scheduled Maintenance Costs
At 325990 km routine services average $450-$750 USD including oil/filter change, spark plugs, and brake fluid. Timing chain inspection recommended every 20000 km.
Taxes, Registration & Insurance
Annual registration and taxes average $250-$450 USD. Full coverage insurance costs approximately $1100-$1600 per year for this model.
Fuel / Energy Costs
Average consumption 15.5 L/100 km. Monthly fuel cost at 1500 km driven is roughly $280-$340 USD depending on local fuel prices.
Tyres
Factory size 255/50R19. OEM tyres cost $240-$290 each; quality alternatives from Continental or Michelin run $175-$210 each.
Filters & Consumables
Cabin filter $35, oil filter $18, air filter $42, fuel filter $65. Annual consumables total approximately $220.
Total Annual Ownership Cost
- Fuel: $3600
- Insurance & taxes: $1600
- Maintenance & repairs: $1850
- Tyres & consumables: $650
- Depreciation: $800
- Total estimated: $8500
Pros & Cons
- Strong V8 performance and comfort
- Spacious luxury interior
- Excellent 4MATIC capability
- High parts and repair costs
- Air suspension failures common
- Fuel economy below average
What to Check Before Buying
Inspect timing chain noise, air suspension leaks, transfer case fluid condition, SAM module faults, and full service history. Compression test and leak-down test advised at this mileage.
Verdict
The 2008 ML 500 4MATIC offers strong performance but carries high ownership costs at 325990 km. Recommended only for enthusiasts with a $3000+ annual repair budget; otherwise consider a more reliable alternative.
