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Mercedes-Benz CLA MOT Results
58.3% pass rate
from 319 tests in 2017
(43% 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.
-
31% fail on
Lamps, Reflectors and Electrical Equipment
(86% worse than other pre-1990 cars)
- 10% fail on Headlamp aim (140% worse than other pre-1990 cars)
- 9.4% fail on Registration plate lamp (2 times worse than other pre-1990 cars)
-
8.8% fail on
Position lamps
(140% worse than other pre-1990 cars)
- 5.3% fail on Rear lamps (2 times worse than other pre-1990 cars)
- 4.4% fail on Front lamps (100% worse than other pre-1990 cars)
- 0.63% fail on All position lamps
- 0.31% fail on Switch
-
8.2% fail on
Direction indicators
(140% worse than other pre-1990 cars)
-
8.2% fail on
Flashing type
(140% worse than other pre-1990 cars)
- 3.4% fail on Individual lamps
- 2.2% fail on All direction indicators
- 2.2% fail on Side repeaters (2 times worse than other pre-1990 cars)
- 0.94% fail on Tell tales
- 0.94% fail on Switch (6 times worse than other pre-1990 cars)
-
8.2% fail on
Flashing type
(140% worse than other pre-1990 cars)
-
7.8% fail on
Rear fog lamp
(2 times worse than other pre-1990 cars)
- 6.9% fail on Fog lamp (2 times worse than other pre-1990 cars)
- 2.8% fail on Tell tale (5 times worse than other pre-1990 cars)
- 0.31% fail on Switch
- 6.9% fail on Stop lamp (140% worse than other pre-1990 cars)
-
6.3% fail on
Headlamps
(84% worse than other pre-1990 cars)
- 5.6% fail on Headlamp (85% worse than other pre-1990 cars)
- 0.63% fail on Switch
- 0.63% fail on Dipswitch (9 times worse than other pre-1990 cars)
-
0.31% fail on
Headlamp defects which don't require an aim check on retest
- 0.31% fail on Main beam 'tell-tale'
- 4.4% fail on Horn (110% worse than other pre-1990 cars)
-
2.2% fail on
Hazard warning
- 1.3% fail on Lamp
- 1.3% fail on Switch (3 times worse than other pre-1990 cars)
- 1.6% fail on Battery
- 1.3% fail on Electrical wiring (4 times worse than other pre-1990 cars)
- 0.31% fail on Rear reflectors
-
18% fail on
Brakes
(59% worse than other pre-1990 cars)
-
15% fail on
Brake performance
(83% worse than other pre-1990 cars)
- 6.6% fail on Front wheels
- 6.3% fail on Rear wheels
- 6.3% fail on Service brake performance (3 times worse than other pre-1990 cars)
- 4.1% fail on Parking brake performance
- 3.4% fail on Brake imbalance (4 times worse than other pre-1990 cars)
- 0.63% fail on Brake performance not tested
-
6.9% fail on
Hydraulic systems
(110% worse than other pre-1990 cars)
-
6.9% fail on
Components
(160% worse than other pre-1990 cars)
- 3.4% fail on Valves (39 times worse than other pre-1990 cars)
- 2.2% fail on Pipes
- 1.6% fail on Hoses
- 0.31% fail on Reservoirs
- 0.31% fail on Leaks
-
6.9% fail on
Components
(160% worse than other pre-1990 cars)
-
1.6% fail on
Prescribed areas
(6 times worse than other pre-1990 cars)
- 1.6% fail on Master cylinder/servo mounting (8 times worse than other pre-1990 cars)
-
1.3% fail on
Service brake control components
-
1.3% fail on
Pedal
- 0.94% fail on Condition (3 times worse than other pre-1990 cars)
- 0.31% fail on Anti-slip
-
1.3% fail on
Pedal
- 0.94% fail on Restricted movement
-
0.63% fail on
Parking brake
- 0.63% fail on Condition
-
0.31% fail on
Hub components
- 0.31% fail on Brake pads
- 0.31% fail on Locking devices
-
15% fail on
Brake performance
(83% worse than other pre-1990 cars)
-
13% fail on
Driver's view of the road
(90% worse than other pre-1990 cars)
- 9.1% fail on Washers (92% worse than other pre-1990 cars)
- 7.8% fail on Wipers (180% worse than other pre-1990 cars)
- 1.3% fail on Windscreen (5 times worse than other pre-1990 cars)
- 0.63% fail on Bonnet
- 0.63% fail on Mirrors
-
10% fail on
Suspension
-
4.7% fail on
Prescribed areas
- 3.1% fail on Component mounting
- 1.6% fail on Spring mounting
- 1.3% fail on Subframe mounting
-
1.9% fail on
Wheel bearings
- 0.94% fail on Front
- 0.94% fail on Rear
-
1.3% fail on
Leaf springs
(3 times worse than other pre-1990 cars)
-
0.94% fail on
Pins and bushes
(7 times worse than other pre-1990 cars)
- 0.63% fail on Shackle (6 times worse than other pre-1990 cars)
- 0.31% fail on Anchor
- 0.31% fail on Condition
-
0.94% fail on
Pins and bushes
(7 times worse than other pre-1990 cars)
-
1.3% fail on
Suspension arms
- 1.3% fail on Pins/bushes/ball joints
-
0.94% fail on
Shock absorbers
- 0.94% fail on Condition
-
0.63% fail on
Anti-roll bars
- 0.31% fail on Pins/bushes/ball joints
- 0.31% fail on Linkage condition
-
0.31% fail on
Air suspension
- 0.31% fail on Suspension unit
-
0.31% fail on
Trailing arms
- 0.31% fail on Attachment
-
0.31% fail on
Sub-frames
- 0.31% fail on Attachment
-
4.7% fail on
Prescribed areas
-
8.8% fail on
Body, Structure and General Items
(150% worse than other pre-1990 cars)
- 3.8% fail on Body condition (180% worse than other pre-1990 cars)
-
2.8% fail on
Seats
(3 times worse than other pre-1990 cars)
- 2.2% fail on Drivers (3 times worse than other pre-1990 cars)
- 1.3% fail on Passengers (3 times worse than other pre-1990 cars)
-
2.2% fail on
Vehicle structure
- 2.2% fail on Chassis
-
0.94% fail on
Doors
- 0.63% fail on Passengers front
- 0.31% fail on Drivers
- 0.31% fail on Passengers other
- 0.31% fail on Speedometer
- 0.31% fail on Body security
-
7.8% fail on
Exhaust, Fuel and Emissions
- 5.3% fail on Exhaust system (120% worse than other pre-1990 cars)
-
2.5% fail on
Fuel system
- 1.3% fail on Cap (3 times worse than other pre-1990 cars)
- 0.94% fail on System
- 0.31% fail on Pipe
- 0.94% fail on Emissions not tested
- 0.63% fail on Emissions
-
7.2% fail on
Steering
-
5.3% fail on
Steering system
- 3.1% fail on Track rod end
- 1.9% fail on Drag link end (5 times worse than other pre-1990 cars)
- 0.94% fail on Ball joint
-
0.31% fail on
Free play
- 0.31% fail on Steering box
-
1.6% fail on
Power steering
(3 times worse than other pre-1990 cars)
- 0.94% fail on Operation (12 times worse than other pre-1990 cars)
- 0.31% fail on Pipes and hoses
- 0.31% fail on Other components
- 0.63% fail on Locking devices
- 0.63% fail on Prescribed areas
-
0.31% fail on
Steering control
- 0.31% fail on Steering column
-
5.3% fail on
Steering system
-
4.7% fail on
Tyres
(110% worse than other pre-1990 cars)
- 3.4% fail on Condition (170% worse than other pre-1990 cars)
- 1.3% fail on Tread depth
- 0.31% fail on Size/type
-
1.9% fail on
Seat Belts and Supplementary Restraint Systems
-
1.9% fail on
Seat belts
- 0.63% fail on Requirements
- 0.63% fail on Condition
- 0.63% fail on Prescribed areas
-
1.9% fail on
Seat belts
-
1.3% fail on
Registration plates and VIN
- 0.94% fail on Registration plate
- 0.31% fail on Vehicle Identification Number
-
0.31% fail on
Towbars
- 0.31% fail on Towbar
-
0.31% fail on
Road Wheels
- 0.31% fail on Attachment