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 · 2011–2015
Mercedes GLK 350 4MATIC X204 · 306 hp (2011 to 2015)
The Mercedes GLK 350 4MATIC of the X204 generation uses the M276 3.5 V6 petrol engine with 306 hp.
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Technical specifications
- Fuel
- Petrol
- Power
- 306 PS / 225 kW
- Displacement
- 3 498 cm³
- Cylinders
- 6
- Engine code
- M276 3.5 V6
- Period covered
- 2011–2015
- 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
306 hp (225 kW), 4MATIC all-wheel drive, 7-speed automatic. Built from 2011 to 2015.
AutoKarnet advice
In the range
It is the most powerful petrol version of this generation. The M276 3.5 V6 engine is also fitted to: Mercedes Classe C (W204), Mercedes Classe E (W212), Mercedes CLS (C218), Mercedes Classe S (W221), Mercedes GLE / ML (ML / GLE W166), Mercedes SLK / SLC (SLK / SLC R172).
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]Spark plugs
60,000 km or 4 years
Replace the full set; worn plugs raise consumption and cause misfires.
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]Questions about this version (2)
Which engine is in the Mercedes GLK GLK 350 4MATIC X204?
The M276 3.5 V6 petrol engine (3 498 cc), 306 hp (225 kW).
AutoKarnet advice
Which oil for the Mercedes GLK GLK 350 4MATIC?
A MB 229.5 / 229.51 / 229.52-approved oil suited to the M276 3.5 V6 engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026