Mercedes-Benz CLA MOT Results

Registered in 2017

85.8% pass rate

from 8,652 tests in 2021

Pass rate by mileage

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 2017 cars and highlighted areas where the Mercedes-Benz CLA is unusually good or bad.

5.6% fail on Tyres (64% worse than other 2017 cars)
- 3.9% fail on Condition (96% worse than other 2017 cars)
- 2.0% fail on Tread depth (26% worse than other 2017 cars)
- 0.081% fail on Size/type
2.7% fail on Visibility (27% better than other 2017 cars)
- 1.5% fail on Washers (56% worse than other 2017 cars)
- 1.2% fail on Wipers (57% better than other 2017 cars)
- 0.069% fail on Condition of glass
  - 0.058% fail on Windscreen
  - 0.012% fail on Window
- 0.046% fail on View to rear
  - 0.046% fail on Mirrors
- 0.012% fail on Bonnet
1.7% fail on Lamps, reflectors and electrical equipment (37% better than other 2017 cars)
- 0.98% fail on Headlamp aim (25% better than other 2017 cars)
  - 0.98% fail on Headlamp aim
- 0.42% fail on Direction indicators (70% worse than other 2017 cars)
  - 0.42% fail on Flashing type (70% worse than other 2017 cars)
    - 0.29% fail on Side repeaters
    - 0.10% fail on Individual direction indicators
    - 0.023% fail on All direction indicators
- 0.12% fail on Headlamps (77% better than other 2017 cars)
  - 0.081% fail on Headlamp (81% better than other 2017 cars)
  - 0.035% fail on Headlamp levelling device
- 0.092% fail on Stop lamp (72% better than other 2017 cars)
- 0.069% fail on Front and rear fog lamps
  - 0.069% fail on Rear fog lamp
    - 0.069% fail on Rear fog lamp
- 0.035% fail on Electrical equipment
  - 0.012% fail on Electrical wiring
  - 0.012% fail on Battery(ies)
  - 0.012% fail on Horn
- 0.023% fail on Position lamps
  - 0.023% fail on Position lamp
- 0.012% fail on Reversing lamps
  - 0.012% fail on Reversing lamps
1.5% fail on Brakes (28% better than other 2017 cars)
- 1.1% fail on Mechanical brake components (24% better than other 2017 cars)
  - 0.90% fail on Brake linings and pads (28% better than other 2017 cars)
    - 0.89% fail on Brake pads (28% better than other 2017 cars)
    - 0.012% fail on Brake linings
  - 0.25% fail on Brake discs and drums
    - 0.25% fail on Brake discs
- 0.34% fail on Brake performance
  - 0.22% fail on Service brake performance
    - 0.20% fail on Rbt
      - 0.18% fail on Service brake performance
      - 0.012% fail on Service brake imbalance
    - 0.023% fail on Plate brake tester
      - 0.012% fail on Service brake performance
      - 0.012% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
  - 0.058% fail on Parking brake efficiency (sp)
    - 0.058% fail on Rbt (sp)
  - 0.046% fail on Brake performance not tested
  - 0.035% fail on Service Brake Efficiency (sp)
    - 0.035% fail on Rbt (sp)
      - 0.035% fail on Service brake performance
- 0.035% fail on Service brake pedal or hand lever
  - 0.035% fail on Pedal
- 0.023% fail on Parking brake control
  - 0.023% fail on Electronic parking brake
- 0.023% fail on Hydraulic systems
  - 0.012% fail on Reservoirs
  - 0.012% fail on Brake fluid
- 0.023% fail on Flexible brake hoses
- 0.023% fail on ABS / EBS / ESC
  - 0.023% fail on Anti-lock braking system
  - 0.012% fail on Electronic stability control
- 0.012% fail on Other components and prescribed areas
  - 0.012% fail on Other components
0.86% fail on Road Wheels (4 times worse than other 2017 cars)
- 0.67% fail on Condition (10 times worse than other 2017 cars)
- 0.18% fail on Attachment
0.57% fail on Identification of the vehicle (180% worse than other 2017 cars)
- 0.57% fail on Registration plates (180% worse than other 2017 cars)
0.57% fail on Noise, emissions and leaks
- 0.55% fail on Exhaust emissions
  - 0.35% fail on Spark ignition
    - 0.31% fail on Malfunction indicator lamp
    - 0.035% fail on Catalyst emissions
    - 0.012% fail on Emissions not tested
  - 0.22% fail on Compression ignition
    - 0.21% fail on Malfunction indicator lamp
    - 0.012% fail on Emissions not tested
- 0.012% fail on Fluid leaks
  - 0.012% fail on Engine oil leaks
0.43% fail on Suspension (51% better than other 2017 cars)
- 0.22% fail on Springs
  - 0.22% fail on Coil springs
    - 0.22% fail on Coil spring
- 0.15% fail on Suspension arms
  - 0.12% fail on Ball joint
  - 0.023% fail on Pins and bushes (81% better than other 2017 cars)
  - 0.012% fail on Ball joint dust cover
- 0.058% fail on Anti-roll bars
  - 0.023% fail on Linkage ball joints
  - 0.012% fail on Anti-roll bar
  - 0.012% fail on Ball joint dust cover
  - 0.012% fail on Linkage ball joint dust cover
- 0.012% fail on Wheel bearings
- 0.012% fail on Shock absorbers
0.22% fail on Body, chassis, structure
- 0.081% fail on Transmission
  - 0.069% fail on Drive shafts
    - 0.069% fail on Joints
  - 0.012% fail on Prop shafts
    - 0.012% fail on Joints
- 0.035% fail on Body
  - 0.023% fail on Other body component
  - 0.012% fail on Panel
- 0.023% fail on Exhaust system
- 0.023% fail on Fuel system
  - 0.023% fail on Fuel cap/sealing device
- 0.023% fail on Bumpers
- 0.023% fail on Doors
  - 0.023% fail on Other passenger's door
    - 0.012% fail on Door condition
    - 0.012% fail on Hinge
- 0.023% fail on Seats
  - 0.023% fail on Driver's seat
  - 0.012% fail on Passenger's seat
0.18% fail on Seat belts and supplementary restraint systems
- 0.15% fail on SRS malfunction indicator lamp
- 0.058% fail on Seat belts
  - 0.023% fail on Condition (81% better than other 2017 cars)
  - 0.012% fail on Prescribed areas
  - 0.012% fail on Requirements
  - 0.012% fail on Pre-tensioners
0.035% fail on Steering (77% better than other 2017 cars)
- 0.012% fail on Steering gear
  - 0.012% fail on Steering rack
- 0.012% fail on Power steering
  - 0.012% fail on Operation
- 0.012% fail on Steering column