Mercedes-Benz GLC2018

• Diesel engine proven reliable long-term, but DPF blockages common on short-trip drivers—verify service history shows regular motorway runs and clean regeneration cycles.
• Well-priced relative to petrol rivals; 26.9% annual uplift suggests strong market confidence, but median mileage sits well below expected range—request full service records to confirm accuracy.
• Fuel injector carbon build-up and EGR valve sticking are known issues on this generation; budget €800–1,500 for preventative injector cleaning if not recently done.
• Before purchase, run full diagnostic scan (€120–180 at indie specialist) to check DPF status, EGR codes, and emission system health—non-negotiable on a diesel of this age.

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