Mercedes-Benz B-Class MOT Results
Registered in 201064.8% pass rate
from 5,125 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 2010 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.
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15% fail on
Lamps, reflectors and electrical equipment
(28% worse than other 2010 cars)
-
8.7% fail on
Direction indicators
(3 times worse than other 2010 cars)
-
8.7% fail on
Flashing type
(3 times worse than other 2010 cars)
- 5.3% fail on Side repeaters (6 times worse than other 2010 cars)
- 3.8% fail on Individual direction indicators (200% worse than other 2010 cars)
- 0.21% fail on All direction indicators
-
8.7% fail on
Flashing type
(3 times worse than other 2010 cars)
-
4.2% fail on
Headlamps
(40% worse than other 2010 cars)
- 4.1% fail on Headlamp (44% worse than other 2010 cars)
- 0.16% fail on Headlamp levelling device
- 0.020% fail on Headlamp cleaning device
-
2.8% fail on
Headlamp aim
- 2.3% fail on Headlamp aim
- 0.53% fail on Headlamp aim not tested (66% worse than other 2010 cars)
- 1.3% fail on Stop lamp (55% better than other 2010 cars)
- 0.57% fail on Registration plate lamp(s) (71% better than other 2010 cars)
-
0.43% fail on
Front and rear fog lamps
-
0.43% fail on
Rear fog lamp
- 0.43% fail on Rear fog lamp
-
0.43% fail on
Rear fog lamp
-
0.12% fail on
Reversing lamps
- 0.12% fail on Reversing lamps
-
0.078% fail on
Position lamps
- 0.078% fail on Position lamp
-
0.039% fail on
Hazard warning
- 0.039% fail on Switch
- 0.020% fail on Rear reflectors
-
0.020% fail on
Electrical equipment
- 0.020% fail on Electrical wiring
-
8.7% fail on
Direction indicators
(3 times worse than other 2010 cars)
-
10% fail on
Suspension
(23% better than other 2010 cars)
-
5.1% fail on
Springs
-
5.1% fail on
Coil springs
- 5.1% fail on Coil spring
-
5.1% fail on
Coil springs
-
2.8% fail on
Suspension arms
(33% better than other 2010 cars)
- 2.5% fail on Ball joint
- 0.16% fail on Pins and bushes (91% better than other 2010 cars)
- 0.16% fail on Ball joint dust cover (65% better than other 2010 cars)
- 0.020% fail on Suspension arm
-
2.1% fail on
Anti-roll bars
(38% better than other 2010 cars)
- 1.3% fail on Linkage ball joint dust cover
- 0.57% fail on Ball joint dust cover
- 0.21% fail on Linkage ball joints (81% better than other 2010 cars)
- 0.039% fail on Linkage pins and bushes
- 0.020% fail on Anti-roll bar
- 0.020% fail on Ball joint
- 1.1% fail on Shock absorbers
-
0.20% fail on
Other suspension component
- 0.16% fail on Ball joint
- 0.020% fail on Other suspension component
- 0.020% fail on Ball joint dust cover
- 0.16% fail on Wheel bearings (72% better than other 2010 cars)
-
0.039% fail on
Macpherson strut
- 0.039% fail on Ball joint (6 times worse than other 2010 cars)
-
0.020% fail on
Suspension rods
- 0.020% fail on Ball joint
- 0.020% fail on Component mounting prescribed areas
-
5.1% fail on
Springs
-
9.8% fail on
Brakes
(24% worse than other 2010 cars)
-
4.4% fail on
Brake performance
-
2.0% fail on
Parking brake efficiency (sp)
- 2.0% fail on Rbt (sp)
- 0.020% fail on Decelerometer (sp)
-
1.7% fail on
Service Brake Efficiency (sp)
(200% worse than other 2010 cars)
-
1.6% fail on
Rbt (sp)
(200% worse than other 2010 cars)
- 1.4% fail on Service brake performance (7 times worse than other 2010 cars)
- 0.23% fail on Service brake imbalance
-
0.020% fail on
Plate brake tester (sp)
- 0.020% fail on Service brake performance
-
1.6% fail on
Rbt (sp)
(200% worse than other 2010 cars)
-
1.1% fail on
Service brake performance
(47% better than other 2010 cars)
-
1.1% fail on
Rbt
(46% better than other 2010 cars)
- 0.98% fail on Service brake performance (42% better than other 2010 cars)
- 0.14% fail on Service brake imbalance (65% better than other 2010 cars)
-
0.020% fail on
Plate brake tester
- 0.020% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
-
1.1% fail on
Rbt
(46% better than other 2010 cars)
-
0.49% fail on
Parking brake performance
-
0.45% fail on
Rbt
(41% better than other 2010 cars)
- 0.27% fail on Parking brake performance (59% better than other 2010 cars)
- 0.14% fail on Parking (secondary brake performance)
- 0.039% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
-
0.020% fail on
Decelerometer
- 0.020% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
-
0.020% fail on
Plate brake tester
- 0.020% fail on Parking (secondary brake performance)
-
0.45% fail on
Rbt
(41% better than other 2010 cars)
- 0.16% fail on Brake performance not tested
-
2.0% fail on
Parking brake efficiency (sp)
- 3.3% fail on Rigid brake pipes (3 times worse than other 2010 cars)
-
3.0% fail on
Mechanical brake components
-
2.3% fail on
Brake linings and pads
- 2.3% fail on Brake pads
- 0.020% fail on Brake linings
-
0.94% fail on
Brake discs and drums
- 0.94% fail on Brake discs
-
0.078% fail on
Brake cables, rods, levers and linkages
- 0.039% fail on Cable
- 0.039% fail on Lever
- 0.020% fail on Linkage
-
2.3% fail on
Brake linings and pads
-
0.47% fail on
Parking brake control
- 0.47% fail on Lever
-
0.29% fail on
Service brake pedal or hand lever
- 0.20% fail on Hand lever
- 0.098% fail on Pedal
-
0.078% fail on
ABS / EBS / ESC
(87% better than other 2010 cars)
- 0.039% fail on Anti-lock braking system (92% better than other 2010 cars)
- 0.039% fail on Electronic stability control (81% better than other 2010 cars)
-
0.059% fail on
Hydraulic systems
- 0.059% fail on Brake fluid
- 0.039% fail on Flexible brake hoses
-
0.020% fail on
Brake actuators (including spring brakes or hydraulic cylinders)
- 0.020% fail on Hydraulic brake callipers
-
4.4% fail on
Brake performance
-
4.4% fail on
Tyres
(27% better than other 2010 cars)
- 2.6% fail on Condition
- 2.0% fail on Tread depth (42% better than other 2010 cars)
- 0.098% fail on Size/type
-
4.4% fail on
Body, chassis, structure
-
3.1% fail on
Transmission
(95% worse than other 2010 cars)
-
2.9% fail on
Drive shafts
(95% worse than other 2010 cars)
- 2.9% fail on Joints (97% worse than other 2010 cars)
-
0.14% fail on
Prop shafts
- 0.14% fail on Joints
-
2.9% fail on
Drive shafts
(95% worse than other 2010 cars)
-
0.47% fail on
Fuel system
(110% worse than other 2010 cars)
- 0.29% fail on Fuel cap/sealing device (110% worse than other 2010 cars)
- 0.12% fail on Pipe (3 times worse than other 2010 cars)
- 0.020% fail on Tank
- 0.020% fail on Hose
- 0.020% fail on System
- 0.41% fail on Exhaust system (76% better than other 2010 cars)
-
0.33% fail on
Doors
-
0.27% fail on
Other passenger's door
(2 times worse than other 2010 cars)
- 0.27% fail on Door condition (3 times worse than other 2010 cars)
-
0.039% fail on
Front passenger's door
- 0.039% fail on Door condition
-
0.020% fail on
Driver's door
- 0.020% fail on Door condition
-
0.27% fail on
Other passenger's door
(2 times worse than other 2010 cars)
-
0.16% fail on
Body
- 0.14% fail on Other body component
- 0.020% fail on Panel
- 0.098% fail on Bumpers
-
0.098% fail on
Engine mounting
- 0.059% fail on Bracket (5 times worse than other 2010 cars)
- 0.039% fail on Engine mounting condition
- 0.059% fail on Undertray
-
0.020% fail on
Integral vehicle structure
-
0.020% fail on
Sub-frame
- 0.020% fail on Sub-frame condition
-
0.020% fail on
Sub-frame
-
3.1% fail on
Transmission
(95% worse than other 2010 cars)
-
4.2% fail on
Visibility
(21% better than other 2010 cars)
- 2.6% fail on Washers
- 1.3% fail on Wipers (49% better than other 2010 cars)
- 0.27% fail on Bonnet
-
0.21% fail on
View to rear
- 0.20% fail on Mirrors
- 0.020% fail on Indirect vision devices
-
0.039% fail on
Condition of glass
- 0.039% fail on Windscreen
-
3.5% fail on
Noise, emissions and leaks
-
3.4% fail on
Exhaust emissions
-
1.9% fail on
Spark ignition
- 1.6% fail on Malfunction indicator lamp (69% worse than other 2010 cars)
- 0.25% fail on Catalyst emissions (73% better than other 2010 cars)
- 0.12% fail on Emissions not tested (63% better than other 2010 cars)
-
1.6% fail on
Compression ignition
- 0.78% fail on Malfunction indicator lamp (64% worse than other 2010 cars)
- 0.76% fail on On or after 01/07/2008
- 0.078% fail on Pre 01/07/2008 Turbo
- 0.078% fail on Emissions not tested
-
1.9% fail on
Spark ignition
-
0.059% fail on
Fluid leaks
- 0.039% fail on Transmission oil leaks
- 0.020% fail on Engine oil leaks
-
3.4% fail on
Exhaust emissions
-
1.1% fail on
Seat belts and supplementary restraint systems
- 0.82% fail on SRS malfunction indicator lamp (74% worse than other 2010 cars)
-
0.29% fail on
Seat belts
- 0.29% fail on Condition
-
0.57% fail on
Road Wheels
- 0.49% fail on Attachment
- 0.059% fail on Condition
- 0.020% fail on Hubs
-
0.37% fail on
Steering
(84% better than other 2010 cars)
-
0.25% fail on
Steering linkage components
(87% better than other 2010 cars)
- 0.18% fail on Track rod end (90% better than other 2010 cars)
- 0.059% fail on Ball joint
- 0.020% fail on Drag link end
- 0.020% fail on Steering arm
-
0.078% fail on
Steering gear
(74% better than other 2010 cars)
- 0.078% fail on Steering rack (73% better than other 2010 cars)
-
0.020% fail on
Power steering
- 0.020% fail on Rams
-
0.020% fail on
Steering play
- 0.020% fail on Steering rack
-
0.25% fail on
Steering linkage components
(87% better than other 2010 cars)
-
0.23% fail on
Identification of the vehicle
- 0.23% fail on Registration plates
Read the Honest John Review
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Mercedes-Benz B-Class (2005 - 2012)
Raised driving position, lots of interior room, decent diesel engines, good ride quality on smaller wheels.