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]W209 · 2005–2010
Mercedes CLK 320 CDI W209 · 224 hp (2005 to 2010)
The Mercedes CLK 320 CDI of the W209 generation uses the OM642 3.0 V6 diesel engine with 224 hp.
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Technical specifications
- Fuel
- Diesel
- Power
- 224 PS / 165 kW
- Displacement
- 2 987 cm³
- Cylinders
- 6
- Engine code
- OM642 3.0 V6
- Period covered
- 2005–2010
- 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
224 hp (165 kW), rear-wheel drive, 7-speed automatic. Built from 2005 to 2010.
AutoKarnet advice
In the range
It is the most powerful diesel version of this generation. The OM642 3.0 V6 engine is also fitted to: Mercedes Classe C (W203), Mercedes Classe V (Viano W639), Mercedes GLK (X204).
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 CLK CLK 320 CDI W209?
The OM642 3.0 V6 diesel engine (2 987 cc), 224 hp (165 kW).
AutoKarnet advice
Which oil for the Mercedes CLK CLK 320 CDI?
A MB 229.5 / 229.51 / 229.52-approved oil suited to the OM642 3.0 V6 engine.
AutoKarnet advice
Documentary sources
- [1] Rédaction AutoKarnet
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026