Mercedes-Benz S 400 2018
Analysis of 46 active listings for Mercedes-Benz S 400 2018 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.
Diesel 47
📊 Market data
- Cheap listings37 867 €
- Typical price44 950 €
- Expensive listings53 087 €
- Average mileage168 628 км
⚙️ Engines — what to expect
Mercedes M276 3.0/3.5 V6 biturbo (DI) — M276
Known issues
- Direct injection causes carbon deposits on intake valves — walnut blasting needed. (~300–700 € repair)
- PCV oil separator can fail, causing oil leaks and idle issues. (~200–600 € repair)
- Occasional chain tensioner noise on cold start at higher mileage. (~400–1 200 € repair)
🚨 What to check before buying
Overall risk score: 6/10
Serious risks
- Carbon buildup (DI): Direct injection causes carbon deposits on intake valves — walnut blasting needed.
- PCV/oil separator: PCV oil separator can fail, causing oil leaks and idle issues.
- Timing chain tensioner noise: Occasional chain tensioner noise on cold start at higher mileage.
- Higher mileage (168,628 km) — check for timing system condition, turbo health, and suspension wear
Additional notes
- Diesel car from before 2018 with very low mileage suggests city-only use — DPF is likely clogged or has been removed (illegal). Check DPF status and EGR condition.
🔥 Current market offers
5 cheapest active listings for Mercedes-Benz S 400 2018. Click "Analyze" for a full report with market valuation, risk analysis and photo analysis.
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