Ignition coils / spark plugs
usually 80,000–150,000 km · Wear part
Signs: Misfire, flashing engine light
Fix: Replace coil and plugs
€100–300
Common faults, service intervals and costs
Mercedes-Benz CLA (C118)
2019–now
3
engines covered
7
known faults
26,229
roadworthiness tests in the statistics
40
official recalls
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Mercedes-Benz CLA (C118) has been built since 2019.
For this generation we cover 3 engines and 7 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 50–100 thousand km this model most often failed on: tyres and wheels (8.8 %), lights, wipers and visibility (5.1 %), brakes (3.3 %). It fails more often than an average car of the same age and mileage on: tyres and wheels. It fails less often than average on: suspension, lights, wipers and visibility, exhaust, emissions and leaks.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 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 |
| 2.0 d (Mercedes OM654) | Diesel | Chain | 0W-20 / 5W-30 · MB 229.52 / 229.71 · ~6.5 L · every 15,000 km |
Faults by engine
1.3 TCe / DIG-T (H5H / M282)
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
2.0 d (Mercedes OM654)
AdBlue / SCR faults
usually 100,000–180,000 km · Medium risk
Signs: AdBlue warning
Fix: Replace NOx sensor or doser
€300–1,000
Gearboxes
Manual
Clutch wear
usually 120,000–200,000 km · Medium risk
Signs: Slipping, high bite point
Fix: Replace clutch kit
€500–900
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 1.3 TCe / DIG-T (H5H / M282) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| 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 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| 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: 26,229 tests.
| thousand km | 0–50 | 50–100 | 100–150 |
|---|---|---|---|
| Brakes | 1.2 % | 3.3 % | 3.7 % |
| Suspension | 0.4 % | 0.9 % | 1.0 % |
| Steering | 0.1 % | 0.1 % | 0.3 % |
| Tyres and wheels | 6.5 % | 8.8 % | 10.7 % |
| Lights, wipers and visibility | 3.7 % | 5.1 % | 5.8 % |
| Body and corrosion | 0.2 % | 0.3 % | 0.5 % |
| Exhaust, emissions and leaks | 0.3 % | 0.6 % | 1.3 % |
Official recalls
Recalls the manufacturer published in the United Kingdom for this model (40). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
- Electronics / software SRPC-2608 Electric drive unit power electronics25/08/2026 · R/2026/315
- Electronics / software Software version of communication module05/06/2026 · R/2026/203
- Seat belt Bolting of front seats and belt buckles06/01/2026 · R/2025/533
- Engine / loss of power SRPC2523 - Variant of 48V Wiring Harness05/01/2026 · R/2025/556
- Seat belt SRPC2516 - Mechanics of the seat belt buckle10/12/2025 · R/2025/459
- Airbag SRPC2518 - Routing of window-airbag wiring harness10/12/2025 · R/2025/460
- Electronics / software SRPC2517 - Software of driving assistance system10/12/2025 · R/2025/461
- Airbag Composition of window-airbag fabric10/12/2025 · R/2025/462
The other recalls (32) are listed in the app.
Other generations
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. 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 07/10/2026