2005–2012 Mercedes-Benz A-Class (W169)

Browse our directory of 2005–2012 Mercedes-Benz A-Class (W169) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

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Common Problems & Reliability

2
Serious
1
Moderate
0
Minor

The 2005–2012 Mercedes-Benz A-Class (W169) has 3 known issues. 2 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.

CVT / clutch actuator wear

Serious

Automatic W169s can suffer worn clutch actuators or CVT issues.

Symptoms: Judder pulling away, Gear indicator faults

Est. repair cost: £600–£2,200

Timing chain stretch and tensioner wear

Serious

Petrol M266 engines can suffer from timing chain stretch and tensioner failure, leading to a rattling noise on cold start. If left unchecked, the chain can jump and cause catastrophic engine damage.

Symptoms: Rattling noise on cold start, Engine management light...

Est. repair cost: £500–£1,200

Injector seal and fuel system faults

Moderate

Diesel CDI models can develop leaking injector seals, leading to the "black death" — a build-up of carbon and fuel residue around the injectors that can damage wiring and the cylinder head.

Symptoms: Rough idle, Increased fuel consumption...

Est. repair cost: £200–£800

View detailed Mercedes-Benz A-Class (W169) fault guide

Buying Tips for the 2005–2012 Mercedes-Benz A-Class (W169)

  • CVT and clutch-actuated autos should feel tidy in stop-start driving.
  • Look underneath for rear axle corrosion.
  • On diesels, check injector-seal history.

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