Service A / Service B
25,000 km or 1 year
About 25,000 km or 1 year (ASSYST). Oil and filter at each service; Service B adds filters and wider checks. The ASSYST indicator prevails.
Source [1]X204 · 2009–2015
Mercedes GLK 250 CDI X204 · 204 hp (2009 to 2015)
The Mercedes GLK 250 CDI of the X204 generation uses the OM651 2.1 diesel engine with 204 hp.
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Technical specifications
- Fuel
- Diesel
- Power
- 204 PS / 150 kW
- Displacement
- 2 143 cm³
- Cylinders
- 4
- Engine code
- OM651 2.1
- Period covered
- 2009–2015
- Documented market
- Europe
Transmission
- Automatic · 7 speeds
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
This version
204 hp (150 kW), 4MATIC all-wheel drive, 7-speed automatic. Built from 2009 to 2015.
AutoKarnet advice
In the range
It sits between the GLK 220 CDI (170 hp) and the GLK 320 CDI (224 hp). The OM651 2.1 engine is also fitted to: Mercedes Classe V (Viano W639).
AutoKarnet advice
Maintenance and records
≈: estimated reference — the vehicle’s service indicator prevails.
Brake fluid
Every 2 years
Every 24 months. Time-based replacement, whatever the mileage.
Source [1]Air filter
60,000 km or 4 years
Replace more often in dusty conditions.
Source [1]Cabin filter
30,000 km or 2 years
Often replaced at each service; earlier if smells or persistent misting appear.
Source [1]Diesel filter
60,000 km or 4 years
Drain any water at each service; a clogged filter causes loss of power.
Source [1]Questions about this version (2)
Which engine is in the Mercedes GLK GLK 250 CDI X204?
The OM651 2.1 diesel engine (2 143 cc), 204 hp (150 kW).
AutoKarnet advice
Which oil for the Mercedes GLK GLK 250 CDI?
A MB 229.5 / 229.51 / 229.52-approved oil suited to the OM651 2.1 engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026