GLB200d / 220d (OM654 2.0)
2019–2024 · diesel · 1950cc · 190hp
Engine codes: OM654
Reliability, common problems and owner reviews for the Mercedes Benz GLB X247 GLB200d / 220d (OM654 2.0). Check this before you buy used.
The GLB diesels use the modern 2.0 OM654 (the engine that replaced the OM651, shared across the C/E-Class and GLC) — a refined, strong and genuinely economical unit and the engine to buy in the GLB. It's a much-improved design over the OM651 (no rear-chain-rattle reputation, stepped-bowl combustion, integrated exhaust treatment), with the standard modern-diesel cautions: DPF on short trips, EGR, AdBlue/SCR, and injector attention at high miles. Paired with 4MATIC and the 8G/7G-DCT. A motorway-driven, serviced car is a dependable long-hauler — the 220d is the pick. Buy on oil, DPF and AdBlue history.
Known Issues
DPF clogs and EGR soots on short trips; AdBlue/SCR system.
Fix / Workaround: Motorway regens; clean EGR; diagnose SCR.
Repair cost: €300–€1300
Typically appears after: 140,000 km
Injector attention at higher mileage; dual-clutch fluid.
Fix / Workaround: Injector test; DCT fluid service.
Repair cost: €200–€1400
Typically appears after: 170,000 km
Mileage Thresholds
After 220,000 km: Improved over OM651; high-mileage capable.
Pre-Purchase Checklist
- ☐220d is the pick
- ☐OM654 improved over OM651
- ☐Oil + DPF + AdBlue history
Frequently asked questions
Is the Mercedes Benz GLB X247 GLB200d / 220d (OM654 2.0) reliable?
Maint. Sensitive — The GLB diesels use the modern 2.0 OM654 (the engine that replaced the OM651, shared across the C/E-Class and GLC) — a refined, strong and genuinely economical unit and the engine to buy in the GLB. It's a much-improved design over the OM651 (no rear-chain-rattle reputation, stepped-bowl combustion, integrated exhaust treatment), with the standard modern-diesel cautions: DPF on short trips, EGR, AdBlue/SCR, and injector attention at high miles. Paired with 4MATIC and the 8G/7G-DCT. A motorway-driven, serviced car is a dependable long-hauler — the 220d is the pick. Buy on oil, DPF and AdBlue history.
What are the common problems and reviews for the Mercedes Benz GLB X247 GLB200d / 220d (OM654 2.0)?
The most commonly reported problems: DPF / EGR / AdBlue, Injector / DCT (high miles).
Is a used Mercedes Benz GLB X247 GLB200d / 220d (OM654 2.0) worth buying?
Fine if serviced correctly — but it punishes neglect hard. History and the right consumables matter.