AdBlue / SCR faults
usually 100,000–180,000 km · Medium risk
Signs: AdBlue warning
Fix: Replace NOx sensor or doser
€300–1,000
Common faults, service intervals and costs
Mercedes-Benz GLB (X247)
2019–now
3
engines covered
8
known faults
6,888
roadworthiness tests in the statistics
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Mercedes-Benz GLB (X247) has been built since 2019.
For this generation we cover 3 engines and 8 known faults, each with the mileage range where it usually appears.
The most expensive known risk is 7G-DCT jerky low-speed shifts / mechatronic: it usually appears at 60,000–160,000 km and costs €200–2,000 to fix.
In UK roadworthiness tests in 2024, at 0–50 thousand km this model most often failed on: tyres and wheels (3.8 %), lights, wipers and visibility (1.8 %), brakes (0.4 %). It fails less often than average on: lights, wipers and visibility.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 2.0 d (Mercedes OM654) | Diesel | Chain | 0W-20 / 5W-30 · MB 229.52 / 229.71 · ~6.5 L · every 15,000 km |
| 1.3 TCe / DIG-T (H5H / M282) | Petrol | Chain | 0W-20 / 5W-30 · Renault RN17 / MB 229.5 · ~4.8 L · every 15,000 km |
| 1.5 / 2.0 petrol (Mercedes M260 / M264) | Petrol | Chain | 0W-20 / 5W-30 · MB 229.71 / 229.5 · ~6.5 L · every 15,000 km |
Faults by engine
2.0 d (Mercedes OM654)
1.3 TCe / DIG-T (H5H / M282)
Ignition coils / spark plugs
usually 80,000–150,000 km · Wear part
Signs: Misfire, flashing engine light
Fix: Replace coil and plugs
€100–300
Water pump
usually 100,000–160,000 km · Medium risk
Signs: Coolant loss
Fix: Replace pump
€250–500
Catalytic converter
usually 180,000–260,000 km · Medium risk
Signs: Rattle, efficiency code
Fix: Replace
€500–1,500
1.5 / 2.0 petrol (Mercedes M260 / M264)
48V belt starter-generator
usually 60,000–160,000 km · Medium risk
Signs: Start-stop faults, 48V warning
Fix: Replace RSG unit
€700–1,500
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
Scheduled service
Intervals and typical prices for the 2.0 d (Mercedes OM654) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| DPF health check (soot / ash load)Emissions | every 20,000 km | €0–60 |
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| AdBlue top-upEmissions | every 15,000 km | €10–30 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 6,888 tests.
| thousand km | 0–50 | 50–100 |
|---|---|---|
| Brakes | 0.4 % | 2.8 % |
| Suspension | 0.3 % | 0.7 % |
| Steering | 0.0 % | 0.1 % |
| Tyres and wheels | 3.8 % | 6.3 % |
| Lights, wipers and visibility | 1.8 % | 3.5 % |
| Body and corrosion | 0.1 % | 0.4 % |
| Exhaust, emissions and leaks | 0.2 % | 0.3 % |
Roadworthiness tests in the Netherlands by age
Share of this model's Dutch fleet that had a defect in each system at a roadworthiness test (APK) in 2025. Bold red means more often and green less often than an average car of the same age and fuel. Sample: 2,270 cars.
| age (years) | 3–5 |
|---|---|
| Brakes | 0.3 % |
| Suspension | 0.0 % |
| Steering | 0.1 % |
| Tyres and wheels | 6.3 % |
| Lights, wipers and visibility | 3.6 % |
| Body and corrosion | 0.0 % |
| Exhaust, emissions and leaks | 0.1 % |
Most common engine versions in the EU
New cars of this generation registered in the EU, Iceland and Norway 2010–2025: 140,322, of which 464 in Croatia. The share shows how common each version is.
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 2.0 d (Mercedes OM654)2.0 (1,950 cm³) · 110 kW (150 hp) · Diesel | 46.8 % | 2019–2025 | 149 g/km | 5.7 L |
| 2.0 d (Mercedes OM654)2.0 (1,950 cm³) · 140 kW (190 hp) · Diesel | 15.0 % | 2019–2025 | 156 g/km | 5.9 L |
| 1.3 TCe / DIG-T (H5H / M282)1.3 (1,332 cm³) · 120 kW (163 hp) · Petrol | 13.8 % | 2019–2025 | 163 g/km | 7.2 L |
| 2.0 d (Mercedes OM654)2.0 (1,950 cm³) · 85 kW (116 hp) · Diesel | 7.3 % | 2019–2025 | 146 g/km | 5.6 L |
| 1.5 / 2.0 petrol (Mercedes M260 / M264)2.0 (1,991 cm³) · 165 kW (224 hp) · Petrol | 5.8 % | 2019–2025 | 186 g/km | 8.1 L |
| 1.3 TCe / DIG-T (H5H / M282)1.3 (1,332 cm³) · 120 kW (163 hp) · Hybrid | 4.1 % | 2023–2025 | 159 g/km | 7.0 L |
| 1.3 TCe / DIG-T (H5H / M282)1.3 (1,332 cm³) · 100 kW (136 hp) · Petrol | 2.8 % | 2020–2025 | 160 g/km | 7.1 L |
| 1.3 TCe / DIG-T (H5H / M282)1.3 (1,332 cm³) · 100 kW (136 hp) · Hybrid | 1.6 % | 2023–2025 | 159 g/km | 7.0 L |
| 1.5 / 2.0 petrol (Mercedes M260 / M264)2.0 (1,991 cm³) · 140 kW (190 hp) · Hybrid | 1.4 % | 2022–2025 | 178 g/km | 7.8 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
Does the Mercedes-Benz GLB (X247) have a timing chain or a timing belt?
2.0 d (Mercedes OM654): chain; 1.3 TCe / DIG-T (H5H / M282): chain; 1.5 / 2.0 petrol (Mercedes M260 / M264): chain.
What are the known problems with the Mercedes-Benz GLB (X247)?
The faults with the highest risk: 7G-DCT jerky low-speed shifts / mechatronic (60,000–160,000 km, €200–2,000); catalytic converter (180,000–260,000 km, €500–1,500); 48V belt starter-generator (60,000–160,000 km, €700–1,500); dual-mass flywheel (150,000–220,000 km, €700–1,400). The full list by engine is on this page.
What does the Mercedes-Benz GLB (X247) most often fail its roadworthiness test on?
In UK roadworthiness tests in 2024, at 0–50 thousand km this model most often failed on: tyres and wheels (3.8 %), lights, wipers and visibility (1.8 %), brakes (0.4 %). It fails less often than average on: lights, wipers and visibility.
What should you check when buying a used Mercedes-Benz GLB (X247)?
Before you buy, ask an authorised dealer to check by VIN whether the car has any open recalls. On the test drive, watch for these signs: jerks in traffic, delayed engagement; rattle, efficiency code. The full checklist is in the guide to buying a used car.
Models with the same engines
These models share engines with this car, so they share some of its faults too.
Mercedes-Benz C-Class (W205) 2014–2021Mercedes-Benz E-Class (W213) 2016–2023Mercedes-Benz A-Class (W177) 2018–Mercedes-Benz GLC (X253) 2015–2022Nissan Qashqai (J12) 2021–Mercedes-Benz CLA (C118) 2019–Mercedes-Benz GLE (V167) 2019–Mercedes-Benz C-Class (W206) 2021–
Other Mercedes-Benz models
Mercedes-Benz EQC (N293) 2019–2024Mercedes-Benz GLS (X167) 2019–Mercedes-Benz B-Class (W247) 2018–Mercedes-Benz CLS (C257) 2018–2023Mercedes-Benz GLA (H247) 2020–Mercedes-Benz S-Class (W223) 2020–Mercedes-Benz Sprinter (907 / 910) 2018–Mercedes-Benz Citan (W420) 2021–Mercedes-Benz EQA (H243) 2021–Mercedes-Benz EQB (X243) 2021–
Sources and notes
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.
Updated 08/10/2026