Service A / Service B
About 25,000 km or 1 year (ASSYST)
25 000 km
12 months
Oil and filter at each service; Service B adds filters and wider checks. The ASSYST indicator prevails.
Source [1]X254 · 2023–…
Mercedes GLC GLC 43 AMG 4MATIC X254 · 421 hp (2023 to date)
The Mercedes GLC GLC 43 AMG 4MATIC of the X254 generation uses the M139 2.0 AMG petrol engine with 421 hp.
Choose an engine
Identify the car and prepare its maintenanceTechnical specifications
- Fuel
- Petrol
- Power
- 421 PS / 310 kW
- Displacement
- 1 991 cm³
- Cylinders
- 4
- Engine code
- M139 2.0 AMG
- Period covered
- 2023–…
- Documented market
- Europe
Transmission
- Automatic · 9 speeds
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
This version
421 hp (310 kW), 4MATIC all-wheel drive, 9-speed automatic. Built from 2023 to date.
AutoKarnet advice
In the range
It is the most powerful petrol version of this generation. The M139 2.0 AMG engine is also fitted to: Mercedes Classe C (W206), Mercedes SL (R232), Mercedes-AMG A 45 (W177), Mercedes-AMG CLA 45 (C118), Mercedes-AMG GLA 45 (H247).
AutoKarnet advice
Maintenance and records
Brake fluid
Every 24 months
24 months
Time-based replacement, whatever the mileage.
Source [1]Questions about this version (2)
Which engine is in the Mercedes GLC GLC 43 AMG 4MATIC X254?
The M139 2.0 AMG petrol engine (1 991 cc), 421 hp (310 kW).
AutoKarnet advice
Which oil for the Mercedes GLC GLC 43 AMG 4MATIC?
A MB 229.5 / 229.51 / 229.52-approved oil suited to the M139 2.0 AMG engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026