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MOT statistics · 2023 tests

Mercedes-Benz CLC MOT pass rate, common failures and mileage

In 2023, 60.5% of 9,204 MOT tests on the Mercedes-Benz CLC ended in a pass, 16.0 points below the 76.5% average for all cars.

Pass rate
60.5%
All cars 76.5%
Tests
9,204
Initial MOTs in 2023
Mileage at 12
83k
Median; middle half 65k to 105k

Pass rate and mileage by age

Each row covers the Mercedes-Benz CLC MOT tests at that age. Mileage shows the median and the middle half of odometer readings, from the 25th to the 75th percentile.

AgePass rateMileage
121,803 tests
64.2%
83,000 · 65k to 105k
133,236 tests
60.5%
93,000 · 73k to 115k
143,222 tests
58.9%
101,000 · 79k to 123k
15794 tests
58.3%
103,000 · 83k to 125k
CLC pass rateAll cars at that ageMiddle half of mileages

Most common MOT failures and advisories

How often each item came up, per 100 MOT tests on the Mercedes-Benz CLC. Advisories are things the tester noted that did not fail the car, often wear that will need attention soon. Follow an item to see what it means and how serious it is.

Failures

Suspension joints
A suspension pin, bush or joint excessively worn
11.2in 100 tests
Coil springs
A spring or spring component fractured or seriously weakened
10.0in 100 tests
Tyre tread
Tyre tread depth not in accordance with the requirements
4.1in 100 tests
Screen washers
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
3.3in 100 tests
Side and tail lights
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
3.3in 100 tests
Steering joint covers
A suspension joint dust cover missing or no longer prevents the ingress of dirt etc
3.2in 100 tests
Track rod ends
A steering ball joint with excessive wear or free play
3.1in 100 tests
Brake performance
Parking brake efficiency below minimum requirement
2.9in 100 tests

Advisories and minor defects

Brake pipes
Brake pipe damaged or excessively corroded
15.5in 100 tests
Brake discs
Brake disc or drum excessively weakened, insecure or fractured
9.0in 100 tests
Brake pads
A brake lining or pad worn below 1.5mm
6.3in 100 tests
Wheel bearings
A wheel bearing with excessive play
6.3in 100 tests
Indicators
Lamp emitted colour, position or intensity not in accordance with the requirements
4.1in 100 tests
Brake lights
Stop lamp with a multiple light source up to 1/2 not functioning (minor defect)
3.3in 100 tests
Exhaust
Exhaust system leaking or insecure
3.1in 100 tests
Windscreen
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view (minor defect)
2.9in 100 tests

What to check on a used CLC

The parts that come up most often in Mercedes-Benz CLC MOTs, and how to look at them on a viewing.

  1. Brake pipes and hoses
    Look underneath at the metal brake pipes for heavy rust, and at the rubber hoses for cracks or bulges.
  2. Suspension and steering joints
    Listen for knocks over bumps and at full lock, and ask whether any suspension or steering joints have been replaced.
  3. Coil springs
    Compare the gap between each tyre and its wheel arch. A corner sitting lower than the others can mean a broken spring.
  4. Brake discs and pads
    Ask when the discs and pads were last replaced, and look through the wheel for a raised lip on the edge of the disc.
  5. Wheel bearings
    On the test drive, listen for a hum or rumble that rises with speed.

Check a specific CLC

Fleet averages only go so far. Enter the registration to see that car's own MOT history, mileage record and current condition, free.

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Questions

What is the MOT pass rate of the Mercedes-Benz CLC?
In 2023, 60.5% of 9,204 initial MOT tests on the Mercedes-Benz CLC ended in a pass, against 76.5% for all cars and light vans.
What fails most often on a Mercedes-Benz CLC MOT?
The most common failures were suspension joints (11.2 in 100 tests), coil springs (10.0 in 100 tests), tyre tread (4.1 in 100 tests).
What is a normal mileage for a 12-year-old Mercedes-Benz CLC?
At 12 years old, the median Mercedes-Benz CLC at its MOT had covered 83,000 miles, and the middle half had between 65,000 and 105,000 miles.
What do MOT testers most often advise on a Mercedes-Benz CLC?
The most common advisories were brake pipes (15.5 in 100 tests), brake discs (9.0 in 100 tests), brake pads (6.3 in 100 tests).

Other Mercedes-Benz models

Overall MOT pass rate in 2023. Compare all Mercedes-Benz models or see every make.

C-Class78.1%E-Class79.9%Sprinter73.0%Vito72.7%GLA88.6%A-Class89.3%GLC89.8%SLK75.9%CLA83.7%M-Class76.1%CLK67.1%GLE89.6%CLS77.5%SL84.9%Citan72.1%V-Class84.0%CLC60.5%SLC88.8%B-Class92.5%Viano71.3%

How these figures are made. We counted every initial MOT test (not retests) of cars and light vans in Great Britain in 2023 from the DVSA anonymised MOT dataset, 33,842,940 tests in all. Pass rate is the share of initial tests that ended in a pass, counting faults fixed during the test. Age is whole years from first registration to the test, so a car having its first MOT a few weeks early counts as 2.

Like-for-like pass rates average each model's pass rate at ages 3 to 10 with the same age mix for every model, so a model is not flattered by a young fleet or penalised by an old one. Models are grouped by the first word of the DVSA model name, and names that cover several models are left out.

Contains public sector information licensed under the Open Government Licence v3.0. RegTail's analysis of the DVSA anonymised MOT dataset, 2023 tests.