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Mercedes-benz A-class vs Mercedes-benz Clk 230k: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Mercedes-benz Clk 230k
75%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Clk 230k (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz A-class Mercedes-benz Clk 230k
MOT pass rate 78% ✓ 75%
MOT failure rate 22% ✓ 25%
Faults & advisories per test 1.6 ✓ 2.0
Dangerous-fault share 3% ✓ 4%
Average mileage 86,210 mi 105,832 mi
Sample size (vehicles) 362,612 1

Most common faults

Mercedes-benz A-class

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Under-trays fitted obscuring some underside components
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Mercedes-benz Clk 230k

  1. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))
  2. Rear Brake pad(s) wearing thin offside and nearside (3.5.1g)
  3. srs light comes on intermittently on dash
  4. Front beam images just visible
  5. Nearside Rear Brake hose slightly chafed deteriorating on outer rubber (1.1.12 (b) (i))
  6. Offside Rear Brake hose slightly chafed deteriorating on outer rubber (1.1.12 (b) (i))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Clk 230k (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz A-class report Full Mercedes-benz Clk 230k report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.