Mercedes-Benz Gls 450 2018
Analysis of 15 active listings for Mercedes-Benz Gls 450 2018 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.
Petrol 15
📊 Market data
- Cheap listings23 181 €
- Typical price33 489 €
- Expensive listings38 688 €
- Average mileage168 785 км
⚙️ Engines — what to expect
Mercedes M256 3.0L I6 EQ Boost — M256
Known issues
- ISG (integrated starter-generator) failure (~2 000–4 000 € repair)
- 48V system electrical faults (~1 000–3 000 € repair)
- Turbo actuator issues (~800–1 500 € repair)
- PCV diaphragm failure causes oil misting and idle issues. (~300–800 € repair)
- Electric water pump can fail and cause overheating. (~600–1 500 € repair)
🚨 What to check before buying
Overall risk score: 8/10
Serious risks
- ISG (integrated starter-generator) failure: ISG (integrated starter-generator) failure
- 48V system electrical faults: 48V system electrical faults
- Turbo actuator issues: Turbo actuator issues
- PCV/oil separator: PCV diaphragm failure causes oil misting and idle issues.
- Electric water pump: Electric water pump can fail and cause overheating.
- Higher mileage (168,785 km) — check for timing system condition, turbo health, and suspension wear
Additional notes
- Mercedes M256 inline-6 with 48V ISG is technically sophisticated but complex. The integrated starter-generator and 48V system add repair cost layers not found on simpler engines. ISG failure costs €2,000-4,000.
🔥 Current market offers
5 cheapest active listings for Mercedes-Benz Gls 450 2018. Click "Analyze" for a full report with market valuation, risk analysis and photo analysis.
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