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Mercedes-Benz CLA MOT Results

59.4% pass rate

from 180 tests in 2021

(56% worse than other pre-1990 cars)

More MoT Results

Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for pre-1990 cars and highlighted areas where the Mercedes-Benz CLA is unusually good or bad.

24% fail on Lamps, reflectors and electrical equipment (95% worse than other pre-1990 cars)
- 7.2% fail on Front and rear fog lamps (2 times worse than other pre-1990 cars)
  - 7.2% fail on Rear fog lamp (2 times worse than other pre-1990 cars)
    - 7.2% fail on Rear fog lamp (2 times worse than other pre-1990 cars)
- 5.6% fail on Direction indicators
  - 5.6% fail on Flashing type
    - 2.8% fail on Individual direction indicators
    - 2.2% fail on Side repeaters
    - 0.56% fail on All direction indicators
- 5.0% fail on Headlamps
  - 5.0% fail on Headlamp
- 5.0% fail on Headlamp aim
  - 5.0% fail on Headlamp aim
- 4.4% fail on Stop lamp
- 4.4% fail on Registration plate lamp(s) (2 times worse than other pre-1990 cars)
- 3.3% fail on Electrical equipment
  - 2.8% fail on Horn
  - 0.56% fail on Battery(ies)
- 2.8% fail on Mandatory tell-tales (6 times worse than other pre-1990 cars)
  - 2.8% fail on Rear fog lamp tell-tale (9 times worse than other pre-1990 cars)
- 0.56% fail on Rear reflectors
15% fail on Brakes (69% worse than other pre-1990 cars)
- 11% fail on Brake performance
  - 6.1% fail on Service brake performance
    - 6.1% fail on Rbt
      - 3.9% fail on Service brake performance
      - 2.8% fail on Service brake imbalance (2 times worse than other pre-1990 cars)
  - 4.4% fail on Service Brake Efficiency (sp)
    - 4.4% fail on Rbt (sp)
      - 2.8% fail on Service brake performance
      - 2.2% fail on Service brake imbalance
  - 2.2% fail on Parking brake efficiency (sp)
    - 2.2% fail on Rbt (sp)
  - 1.7% fail on Parking brake performance
    - 1.7% fail on Rbt
      - 1.7% fail on Parking brake performance
  - 0.56% fail on Brake performance not tested
- 2.2% fail on Rigid brake pipes
- 1.7% fail on Hydraulic systems (5 times worse than other pre-1990 cars)
  - 0.56% fail on Servos
  - 0.56% fail on Reservoirs
  - 0.56% fail on Valves
- 1.7% fail on Other components and prescribed areas (9 times worse than other pre-1990 cars)
  - 1.7% fail on Prescribed areas (10 times worse than other pre-1990 cars)
    - 1.7% fail on Master cylinder/servo mounting (17 times worse than other pre-1990 cars)
- 1.7% fail on Mechanical brake components
  - 1.1% fail on Brake linings and pads
    - 1.1% fail on Brake pads
  - 1.1% fail on Brake discs and drums
    - 1.1% fail on Brake discs
- 1.1% fail on Load sensing valves (13 times worse than other pre-1990 cars)
- 0.56% fail on Air and vacuum systems
  - 0.56% fail on Leaks
- 0.56% fail on Flexible brake hoses
- 0.56% fail on Brake actuators (including spring brakes or hydraulic cylinders)
  - 0.56% fail on Hydraulic brake cylinder
11% fail on Visibility
- 7.2% fail on Washers
- 2.8% fail on Wipers
- 1.7% fail on Bonnet (10 times worse than other pre-1990 cars)
11% fail on Body, chassis, structure
- 3.3% fail on Seats (4 times worse than other pre-1990 cars)
  - 2.8% fail on Passenger's seat (9 times worse than other pre-1990 cars)
  - 0.56% fail on Driver's seat
- 2.2% fail on Integral vehicle structure
  - 2.2% fail on Integral vehicle structure condition
- 2.2% fail on Chassis
  - 2.2% fail on Chassis condition
- 2.2% fail on Exhaust system
- 2.2% fail on Fuel system
  - 1.1% fail on Pipe
  - 0.56% fail on Tank
  - 0.56% fail on Fuel cap/sealing device
- 1.7% fail on Body (6 times worse than other pre-1990 cars)
  - 1.1% fail on Panel (10 times worse than other pre-1990 cars)
  - 0.56% fail on Mounting fixings
- 0.56% fail on Bumpers
- 0.56% fail on Engine mounting
  - 0.56% fail on Engine mounting condition
- 0.56% fail on Doors
  - 0.56% fail on Front passenger's door
    - 0.56% fail on Door condition
- 0.56% fail on Floor
- 0.56% fail on Cabs
  - 0.56% fail on Steps
6.1% fail on Suspension
- 3.3% fail on Component mounting prescribed areas
- 1.1% fail on Anti-roll bars
  - 0.56% fail on Pins and bushes
  - 0.56% fail on Linkage pins and bushes
- 0.56% fail on Axles
  - 0.56% fail on King pins
- 0.56% fail on Wheel bearings
- 0.56% fail on Springs
  - 0.56% fail on Spring mounting prescribed areas
- 0.56% fail on Shock absorbers
- 0.56% fail on Sub-frames
  - 0.56% fail on Sub-frame mounting prescribed areas
3.9% fail on Steering
- 3.3% fail on Steering linkage components
  - 2.8% fail on Track rod end
  - 1.1% fail on Drag link end
- 0.56% fail on Prescribed areas
- 0.56% fail on Power steering
  - 0.56% fail on Operation
3.9% fail on Seat belts and supplementary restraint systems
- 3.9% fail on Seat belts
  - 2.8% fail on Prescribed areas
  - 1.1% fail on Attachment (10 times worse than other pre-1990 cars)
  - 1.1% fail on Condition
3.9% fail on Noise, emissions and leaks
- 2.2% fail on Exhaust emissions
  - 1.7% fail on Compression ignition (5 times worse than other pre-1990 cars)
    - 1.1% fail on Pre 01/07/2008 Non turbo (15 times worse than other pre-1990 cars)
    - 1.1% fail on Emissions not tested (13 times worse than other pre-1990 cars)
  - 0.56% fail on Spark ignition
    - 0.56% fail on Non catalyst emissions
- 1.7% fail on Fluid leaks
  - 1.1% fail on Engine oil leaks
  - 0.56% fail on Hydraulic fluid leaks
2.2% fail on Tyres
- 1.7% fail on Condition
- 0.56% fail on Tread depth
0.56% fail on Identification of the vehicle
- 0.56% fail on Registration plates
0.56% fail on Seat belt installation check
- 0.56% fail on Anchorages
0.56% fail on Road Wheels
- 0.56% fail on Attachment