Mercedes-Benz Cls MOT Pass Rate — 80.3% [21,158 Tests]

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Mercedes-Benz Cls MOT Pass Rate — 80.3% [21,158 Tests]

Last updated: 27 April 2026

What Is the Mercedes-Benz Cls MOT Pass Rate?

on 23 April 2026

The Mercedes-Benz CLS, known for its distinctive design and premium features, has a strong performance in terms of MOT pass rates. According to DVSA anonymised data from 2024, the Mercedes-Benz CLS achieved an 80.3% MOT pass rate across 21,158 tests conducted on these vehicles. This is slightly higher than the national average of 79.6%, indicating that the Mercedes-Benz CLS generally performs well in mandatory vehicle inspections.

Common Mercedes-Benz Cls MOT Failures

Despite its strong overall performance, there are specific areas where the Mercedes-Benz CLS tends to encounter issues during MOT tests. The primary failure points include lighting systems and emissions control. For example, defective headlights or taillights can lead to a failed inspection due to safety concerns. issues with emission controls such as catalytic converters and exhaust systems can also contribute significantly to failure rates.

Owners of the Mercedes-Benz CLS should conduct pre-MOT checks focusing on these critical areas to improve their chances of passing the test at first attempt. Ensuring that all lights are functioning correctly and that there are no visible signs of damage or wear is important. Regular servicing and maintenance, especially for emission control systems, can also help mitigate common failure points.

Mercedes-Benz Cls Mileage and Reliability

The average mileage at which a Mercedes-Benz CLS undergoes its MOT test is 91,153 miles. This figure provides insight into typical ownership patterns and suggests that many owners keep these vehicles for an extended period before reaching the mandatory MOT stage. The higher pass rate of the CLS compared to the national average could reflect the reliability and longevity associated with Mercedes-Benz models.

However, it's important for owners to remain vigilant about maintenance and regular servicing to ensure their vehicle remains in optimal condition well beyond 91,000 miles. Regular inspections can help catch potential issues early on, reducing the likelihood of unexpected failures during MOT tests.

This could provide financial assistance to owners who face unforeseen repair costs, further supporting the reliability and value of owning a Mercedes-Benz CLS.

According to the DVSA Anonymised MOT Testing Data (2022-2024), mercedes-benz cls has a 80.3% pass rate from 21,158 tests

To sum up, while the Mercedes-Benz CLS demonstrates strong performance in MOT tests with an 80.3% pass rate, proactive maintenance and regular pre-MOT checks are key to ensuring continued reliability and safety for this premium vehicle model.

Sources

DVSA Anonymised MOT Testing Data (2022-2024)

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Frequently Asked Questions

What is the Mercedes-Benz Cls MOT pass rate?

The Mercedes-Benz Cls has a 80.3% MOT pass rate based on 21,158 tests analysed from DVSA anonymised data (2022-2024). The national average is 79.6%.

What are the most common MOT failures on Mercedes-Benz Cls?

The most common reasons Mercedes-Benz Cls vehicles fail their MOT are lighting and electrical faults (18.9% nationally), suspension issues (13.2%), and brake problems (10.1%). Check all lights, tyres, and wipers before your test.

How much does an MOT cost for a Mercedes-Benz Cls?

The maximum MOT fee is £54.85 (set by DVSA). Many garages charge less. The test itself takes 45-60 minutes. You can check your Mercedes-Benz Cls's MOT history free at gov.uk.

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