This app is in testing and development. The information is indicative and may be inaccurate, so check it with a workshop.
VIN Service Planner
Faults and service for this model with this engine

Mercedes-Benz GLB (X247) 2.0 d (Mercedes OM654)

Diesel · 2019–now

4
known faults
69.2 %
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Enter your VIN and mileage and get a plan built for your exact engine and gearbox.

All about the Mercedes-Benz GLB (X247)All about the 2.0 d (Mercedes OM654) engine

The 2.0 d (Mercedes OM654) engine was fitted to the Mercedes-Benz GLB (X247) (2019–now). In the EU that is 69.2 % of all new cars of this generation.

Versions: 2.0 150 hp, 2.0 190 hp, 2.0 116 hp.

The most expensive known risk is exhaust-side roller rocker arms wear (ticking, rough idle): it usually appears at 60,000–250,000 km and costs €1,500–3,000 to fix.

Engine faults ✓ Checked against sources (10/2026)

✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.

AdBlue / SCR faults: NOx sensor, AdBlue pump or heater, dosing valve

usually 60,000–180,000 km · Medium risk

Signs: AdBlue or emissions warning with a countdown in km; if ignored, the engine will not restart; NOx sensor codes, sometimes limp mode

Fix: Read the codes at once; check for Mercedes SCR software updates, then test and replace the faulty NOx sensor, pump / heater or dosing valve

€300–1,200

DPF clogging from short trips

usually 60,000–200,000 km · Medium risk

Signs: DPF warning, frequent or interrupted regenerations, reduced power

Fix: Drive longer runs or run a forced regeneration; check the pressure sensor and EGR first; clean or replace the filter if ash-loaded; use MB 229.52 / 229.71 oil

€150–2,000

EGR valve and cooler sooting (low-pressure EGR on early engines)

usually 80,000–200,000 km · Medium risk

Signs: Rough idle, power loss, EGR fault codes (P0400 range), regenerations do not finish

Fix: Check EGR position and flow in live data; clean or replace the valve, and the cooler if it is blocked or leaking

€300–1,200

Exhaust-side roller rocker arms wear (ticking, rough idle)

usually 60,000–250,000 km · Medium risk

Signs: Dull ticking or plopping noise from the top of the engine, rough idle

Fix: Inspect rockers and cam lobes; replace all roller rockers and lash adjusters, and the camshaft housing if the cams are marked

€1,500–3,000

Gearboxes

Manual

Clutch wear

usually 120,000–200,000 km · Medium risk

Signs: Slipping, high bite point

Fix: Replace clutch kit

€500–900

Dual-mass flywheel

usually 150,000–220,000 km · Medium risk

Signs: Rattle at idle, vibration pulling away

Fix: Replace with clutch

€700–1,400

7G-DCT (A / B / CLA / GLA)

7G-DCT jerky low-speed shifts / mechatronic

usually 60,000–160,000 km · Medium risk

Signs: Jerks in traffic, delayed engagement

Fix: Software update; fluid change; mechatronic

€200–2,000

Service plan for this engine

Typical routine maintenance cost for 100,000 km: €2,450–5,900. Sum of the services and wear parts in the plan above (about 15,000 km a year, independent workshop), without faults.

Intervals and typical prices for the Mercedes-Benz GLB (X247) with the 2.0 d (Mercedes OM654) engine. The app gives the exact plan for your mileage.

ItemIntervalTypical price
DPF health check (soot / ash load)Emissionsevery 20,000 km€0–60
Engine oil + oil filterEngineevery 15,000 km or every 12 months€70–150
Cabin (pollen) filterClimateevery 15,000 km or every 12 months€15–40
Brake fluidBrakesevery 24 months€50–95
AdBlue top-upEmissionsevery 15,000 km€10–30
A/C service (regas + desiccant)Climateevery 24 months€70–150
Air filterEngineevery 30,000 km or every 24 months€15–45
Fuel filterFuelevery 30,000 km or every 24 months€40–110
Glow plugsEngineevery 100,000 km€120–300
Auxiliary (serpentine) beltEngineevery 120,000 km€70–180
Coolant replacementCoolingevery 150,000 km or every 96 months€70–150
Timing chain inspection (listen on cold start)Engineevery 150,000 km€0–120
Manual gearbox oilTransmissionevery 150,000 km€60–130
Front brake padsBrakesusually at 30,000–60,000 km€60–150
Front brake discs + padsBrakesusually at 60,000–120,000 km€150–320
Rear brake padsBrakesusually at 50,000–90,000 km€50–130
Tyres (set of 4)Wheelsusually at 40,000–60,000 km€320–700
Wiper bladesBodychecked at service€20–50
12V batteryElectricalchecked at service€100–220

Versions of this engine in the Mercedes-Benz GLB (X247)

VersionShareYearsCO₂Fuel use
2.0 Diesel1,950 cm³ · 110 kW (150 hp)46.8 %2019–2025149 g/km5.7 L
2.0 Diesel1,950 cm³ · 140 kW (190 hp)15.0 %2019–2025156 g/km5.9 L
2.0 Diesel1,950 cm³ · 85 kW (116 hp)7.3 %2019–2025146 g/km5.6 L

Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.

Common questions

What are the biggest risks of the Mercedes-Benz GLB (X247) with the 2.0 d (Mercedes OM654) engine?

The faults with the highest risk: exhaust-side roller rocker arms wear (ticking, rough idle) (60,000–250,000 km, €1,500–3,000); DPF clogging from short trips (60,000–200,000 km, €150–2,000); adBlue / SCR faults: NOx sensor, AdBlue pump or heater, dosing valve (60,000–180,000 km, €300–1,200); EGR valve and cooler sooting (low-pressure EGR on early engines) (80,000–200,000 km, €300–1,200).

Does the Mercedes-Benz GLB (X247) 2.0 d (Mercedes OM654) have a timing belt or a chain?

Chain.

Which oil does the Mercedes-Benz GLB (X247) 2.0 d (Mercedes OM654) need?

0W-20 / 5W-30 · MB 229.52 / 229.71 · ~6.5 L · every 15,000 km.

The same model with other engines

1.3 TCe / DIG-T (H5H / M282)1.5 / 2.0 petrol (Mercedes M260 / M264)

Other models with the 2.0 d (Mercedes OM654) engine

Mercedes-Benz C-Class (W205) 2014–2021Mercedes-Benz E-Class (W213) 2016–2023Mercedes-Benz A-Class (W177) 2018–Mercedes-Benz GLC (X253) 2015–2022Mercedes-Benz CLA (C118) 2019–Mercedes-Benz Vito (W447) 2014–Mercedes-Benz GLE (V167) 2019–Mercedes-Benz GLA (H247) 2020–Mercedes-Benz B-Class (W247) 2018–

Sources and notes

Main sources for the faults of this engine:

Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles. How we check the data →

Updated 29/10/2026