IsItAGoodCar
Reliability Guide

Common Problems with the
2017 Mercedes-Benz A-Class (W176)

Late W176 cars benefited from most accumulated fixes and are generally more reliable. The main remaining concerns are DCT gearbox wear at higher mileages and the Renault-derived 1.5 diesel injector issues on lower-powered models.

What changed for 2017

  • •All major recalls addressed
  • •Improved build quality
  • •Updated infotainment software

Common MOT watch-outs

  • !DCT gearbox clutch wear at high mileage
  • !Diesel injector problems
  • !Suspension bush wear
2
Known Issues
0
Serious
2
Moderate
0
Minor

The 2017 period has 2 more issues than the Mercedes-Benz A-Class (W176) average across all year periods.

All Known Issues

OM651 Diesel Chain Tensioner Oil Leak

ModerateEngine

The timing chain tensioner gasket is a common leak point. If ignored, the loss of oil pressure can lead to timing chain stretch or failure.

Most affected: A 200 d, A 220 d

Estimated cost: £200–£500Affects: 2012–2018Often appears around: 50,000–90,000 miles

Typical symptoms

  • •Oil leak on the right side of the engine block
  • •Burning oil smell
  • •Rattle on cold start

What to inspect before you buy

  • ✓Inspect the area around the tensioner for fresh oil
  • ✓Listen for chain rattle during a cold start

DCT gearbox judder and clutch wear

ModerateGearbox & Transmission

The 7-speed dual-clutch automatic can be jerky, especially in stop-start driving.

Estimated cost: £500–£1,800Affects: 2012–2018

Typical symptoms

  • •Shudder moving off
  • •Hesitation selecting reverse

What to inspect before you buy

  • ✓Crawl in traffic
  • ✓Try repeated parking manoeuvres

Buying Tips for the 2017 Mercedes-Benz A-Class (W176)

  • ✓Late facelift cars are the best of the W176 range
  • ✓Check DCT service history
  • ✓Diesel injector seal history matters
2016 Mercedes-Benz A-Class (W176)2018 Mercedes-Benz A-Class (W176)

Browse 2017 Mercedes-Benz A-Class (W176) in our Directory

View MOT history, registration data, and reliability scores for 2017 Mercedes-Benz A-Class (W176) vehicles.

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Other Mercedes-Benz A-Class (W176) Year Periods

2012201320142015201620172018

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