Mercedes Benz Cla service: key facts
- Oil service every 10,000 miles or 1 year
- Basic service costs £120–£300 depending on garage
- 2 generations from 2013 to 2024
- 6 tracked service items across routine, major, and periodic schedules
Routine service items
These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.
| Service item | Interval | Typical cost |
|---|---|---|
|
Engine oil and filter
Mercedes ASSYST service indicator typically shows 10,000-15,500 miles depending on driving conditions.
C117, C118
|
10,000 miles or 1 year |
£120–£180
Dealer: £200–£300
|
|
Air filter
Mercedes specifies 20,000 miles. Check condition at 10,000 mile service intervals. Dirty filter affects turbocharger performance and fuel economy. Replace more frequently in dusty conditions.
C117, C118
|
20,000 miles or 2 years |
£25–£45
Dealer: £50–£80
|
|
Cabin pollen filter
Located behind glove box. Restricted airflow affects HVAC performance and can cause musty odours. Replace annually in urban areas with high pollution.
C117, C118
|
20,000 miles or 2 years |
£30–£50
Dealer: £60–£90
|
|
Diesel particulate filter forced regeneration
System attempts automatic regeneration every 300-600 miles depending on soot loading.
C117, C118
|
600 miles |
£80–£120
Dealer: £120–£180
|
Periodic maintenance
Items that don't need doing at every service but should be on your radar at the right mileage or age.
| Service item | Interval | Typical cost |
|---|---|---|
|
Brake fluid
Mercedes specifies 2 years regardless of mileage.
C117, C118
|
2 years |
£60–£90
Dealer: £120–£180
|
|
Spark plugs
Mercedes specifies 60,000 miles for turbocharged petrol engines. Use NGK or Bosch OE specification plugs only. Worn plugs cause misfires and potential engine management light illumination.
C117, C118
|
60,000 miles or 6 years |
£80–£120
Dealer: £150–£220
|
Check a Mercedes Benz Cla's service history
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Related
Mercedes Benz Cla service FAQs
How often should a Mercedes Benz Cla be serviced?
A Mercedes Benz Cla should have an oil service every 10,000 miles or 1 year, whichever comes first. Mercedes ASSYST service indicator typically shows 10,000-15,500 miles depending on driving conditions.
How much does a Mercedes Benz Cla service cost?
A basic service at an independent garage typically costs £120–£180. Main dealer servicing is usually £200–£300. Major items like timing belts or gearbox services cost significantly more.
Can I service a Mercedes Benz Cla at an independent garage?
Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.