Buying a used luxury car, especially a German marque like Mercedes-Benz, can be an exciting yet potentially daunting prospect. While Mercedes-Benz is synonymous with luxury and performance, concerns about reliability and maintenance costs often linger, particularly when considering pre-owned models. Are these concerns justified in 2024? It’s commonly understood that German automobiles might not always match the bulletproof reliability of their Japanese counterparts, and repairs can be pricier. But does this hold true when searching for the Best Used Mercedes To Buy?
Recent data and historical trends suggest this perception still carries weight. Consumer Reports, in their latest reliability analysis spanning 26 car brands and focusing on 5-to-10-year-old vehicles, placed Mercedes-Benz 10th with a score of 46. This positions Mercedes slightly behind BMW (3 points) and ahead of Audi (4 points) in the reliability spectrum.
It’s important to note that the top reliability rankings are dominated by Japanese brands like Toyota and Lexus, with Lexus leading the pack significantly. Despite being some distance from the top, Mercedes-Benz has produced several dependable models in recent years. To help you navigate the used market and find the best used Mercedes to buy, we’ve analyzed Consumer Reports’ data across the Mercedes-Benz lineup from the last decade. This ranking will guide you to the most reliable models available.
The information presented here is compiled from Mercedes-Benz and reputable sources to ensure accuracy and provide you with the most current insights. The models are ranked based on their Reliability Verdict from Consumer Reports.
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10. 2021 Mercedes-Benz GLE-Class
Reliability Verdict: 3/5
Starting our list of best used Mercedes to buy with the redesigned mid-size SUV, the Mercedes-Benz GLE-Class. The fourth generation, launched in 2020, introduced new powertrains including a turbocharged 2.0-liter inline-four in the 350 models and a mild-hybrid turbocharged 3.0 inline-six in the 450 variants.
450 4MATIC Performance Specifications
| Engine | 3.0-liter turbocharged inline-six + 48V mild hybrid system |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 362 horsepower |
| Torque | 369 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.7 seconds |
| Top Speed | 155 mph (limited) |
The initial 2020 model year, typical of first-year vehicles, didn’t achieve top reliability scores. However, the 2021 Mercedes-Benz GLE-Class improved significantly, earning a 3/5 reliability verdict, the highest within this generation. For those considering a used Mercedes GLE, the 2021 model represents a sweet spot in terms of features and improved dependability.
Pros
- Most fuel-efficient engine options in the GLE lineup.
- Superior ride comfort and quality.
- Availability of a high-performance AMG variant exceeding 600 horsepower.
Cons
- Less engaging driving dynamics.
- Complex and sometimes frustrating infotainment system.
- Potential for expensive repairs related to the mild hybrid system in the long run.
9. 2021 Mercedes-Benz GLC-Class
Reliability Verdict: 3/5
Next on our list of reliable used Mercedes is the first-generation Mercedes GLC crossover SUV, produced from 2016 to 2022. The GLC received a significant update in 2020, primarily featuring Mercedes’ new generation of powertrains. This refresh makes the 2021 model a particularly appealing choice when seeking the best used Mercedes to buy in the compact SUV category.
300 4MATIC Performance Specifications
| Engine | 2.0-liter turbocharged inline-four |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 255 horsepower |
| Torque | 273 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 6.2 seconds |
| Top Speed | 149 mph |
The 2021 model year GLC-Class stands out with the highest reliability rating within this refreshed first generation, which spanned three model years. This generation features a turbocharged 2.0-liter inline-four engine, the last iteration before Mercedes integrated it with a more complex 48-volt mild hybrid system in later models. Opting for the 2021 GLC offers a balance of modern features and relatively simpler mechanics, making it a smart pick for a used Mercedes.
Pros
- Excellent ride comfort for daily commutes and longer trips.
- High-quality interior materials and finish.
- Confident handling and stability for its vehicle class.
Cons
- Infotainment system can be complex and require a learning curve.
- Fuel economy could be better compared to competitors.
- Some drivers may desire more power from the base engine.
8. 2021 Mercedes-Benz C-Class
Reliability Verdict: 3/5
Our first sedan on the list of best used Mercedes to buy is the fourth-generation C-Class, available from 2015 to 2021. The 2019 model year marked a significant refresh for this compact Mercedes sedan, updating powertrain options to include the 48V mild-hybrid system, now standard across many modern Mercedes models. If you’re in the market for a reliable used Mercedes sedan, the 2021 C-Class is worth considering.
C 300 4MATIC Performance Specifications
| Engine | 2.0-liter inline-four + 48V mild hybrid system |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 255 horsepower |
| Torque | 270 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.7 seconds |
| Top Speed | 155 mph (limited) |
Among the 2015 to 2021 Mercedes-Benz C-Class model years, the final 2021 model achieved the highest reliability verdict of 3/5. For those interested in this generation, models from 2019 onwards are generally recommended due to their improved reliability scores compared to pre-refresh versions. The 2021 C-Class offers a refined driving experience and updated features, making it a compelling choice for a used Mercedes sedan.
Pros
- Exceptionally quiet and comfortable cabin, ideal for long journeys.
- Upgraded interior design and materials in refreshed models.
- Standard, high-quality LED headlights on refreshed models enhancing visibility.
Cons
- Infotainment system and user interface could be more intuitive.
- Potential long-term maintenance costs associated with the mild hybrid system.
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7. 2014 Mercedes-Benz C-Class
Reliability Verdict: 3/5
Continuing our exploration of the best used Mercedes to buy, we look at the third-generation C-Class, produced from 2008 to 2014. Around a decade ago, this generation was Mercedes’ best-selling model, notably with the C 300 featuring a robust 3.5-liter V-6 engine. For buyers interested in a slightly older but still reliable used Mercedes, the 2014 C-Class is a solid option.
2014 C 300 4MATIC Performance Specifications
| Engine | 3.5-liter V-6 |
|---|---|
| Transmission | 7-speed automatic |
| Horsepower | 248 horsepower |
| Torque | 251 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 7.1 seconds |
| Top Speed | 130 mph (limited) |
The 2012 model year of the third-generation C-Class introduced a significant refresh, which included an improved interior and updated powertrains. The 2014 Mercedes-Benz C-Class, the final year of this generation, received the highest reliability verdict of 3/5 among its peers. This model year represents the culmination of refinements for this generation, making it a dependable used Mercedes choice.
Pros
- Comfortable front seating for driver and passenger.
- Available manual transmission in rear-wheel-drive C 300 models (pre-refresh).
- The C 63 AMG variant remains highly desirable for its performance.
Cons
- Pre-refresh interior design and materials are less refined.
- Base models may lack the performance expected from a luxury car.
- Pre-refresh models can appear dated in terms of styling and features.
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6. 2013 Mercedes-Benz GLK-Class
Reliability Verdict: 4/5
Before the GLC-Class, there was the GLK-Class SUV, essentially a C-Class in SUV form. The GLK debuted in 2010, but the 2013 model year refresh proved to be a turning point. For those seeking a reliable and slightly more compact used Mercedes SUV, the 2013 GLK-Class is a standout.
350 4MATIC Performance Specifications
| Engine | 3.5-liter V-6 |
|---|---|
| Transmission | 7-speed automatic |
| Horsepower | 302 horsepower |
| Torque | 273 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.8 seconds |
| Top Speed | 130 mph |
The 2013 Mercedes-Benz GLK-Class, the first model year of the refresh, achieved an impressive 4/5 reliability verdict, ranking it among the most reliable modern Mercedes models. The GLK 350’s 3.5-liter V-6 engine in the 2013 model is particularly refined. Interestingly, the final 2015 model year saw a contrasting score of 2/5, despite minimal changes, making the 2013 GLK a prime target for used Mercedes buyers focused on reliability.
Pros
- Refreshed models feature the best iteration of the smooth and robust V-6 engine.
- Good fuel economy for its size and class.
- Improved interior quality in refreshed models.
Cons
- Low-speed handling can feel cumbersome.
- Interior space might be limited for some families.
- Infotainment system is dated compared to newer systems.
5. 2014 Mercedes-Benz M-Class
Reliability Verdict: 4/5
The M-Class, predecessor to the GLE-Class, was Mercedes’ full-size SUV, renamed after the 2015 model year refresh. However, it’s the 2014 Mercedes-Benz M-Class, the penultimate year of the pre-refresh third generation, that stands out for reliability. If you need a larger, reliable used Mercedes SUV, the 2014 M-Class is a top contender.
ML 500 Performance Specifications
| Engine | Twin-turbo 4.6-liter V-8 |
|---|---|
| Transmission | 7-speed automatic |
| Horsepower | 402 horsepower |
| Torque | 443 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.3 seconds |
| Top Speed | 155 (limited) |
The 2014 M-Class earned a strong 4/5 reliability verdict, contrasting sharply with the 2015 model’s 2/5. The 3.5-liter V-6 in the ML 350 models is considered the most reliable powertrain, while the ML 500/550 with its twin-turbo V-8 offers significant power, albeit with potentially higher running costs. For a balance of size, luxury, and reliability in a used Mercedes SUV, the 2014 M-Class is an excellent choice.
Pros
- Wide range of engine options across different trims.
- Quiet and comfortable cabin, suitable for long drives.
- Impressive off-road capabilities, rarely utilized but reassuring.
Cons
- Driving dynamics can feel somewhat vague and less engaging.
- Infotainment system can be confusing and outdated.
- Fuel economy is not a strong point, particularly with larger engines.
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4. 2016 Mercedes-Benz GLC-Class
Reliability Verdict: 4/5
Following the GLK-Class’s discontinuation in 2015, the first-generation GLC-Class emerged for the 2016 model year. Typically, first model years of a new generation might face initial hiccups, but the 2016 Mercedes-Benz GLC-Class defied this trend, making it an excellent best used Mercedes to buy contender right from its inception.
300 4MATIC Performance Specifications
| Engine | 2.0-liter turbocharged inline-four |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 242 horsepower |
| Torque | 273 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.9 seconds |
| Top Speed | 130 mph |
Despite being the first model year, the 2016 GLC-Class achieved the highest reliability verdict of 4/5 within its generation, which lasted until 2022. This success is largely attributed to efficient powertrain options across the GLC lineup compared to its predecessor. The 2016 GLC-Class offers a blend of luxury, practicality, and surprising reliability for a first-year model.
Pros
- Comfortable and quiet ride, enhancing the luxury experience.
- High-quality interior fit and finish.
- Represents strong value proposition in the used luxury SUV market.
Cons
- Infotainment system can be frustrating for some users.
- Rear seat space might be somewhat limited for taller passengers.
- Fuel economy is adequate but not class-leading.
3. 2017 Mercedes-Benz E-Class
Reliability Verdict: 4/5
What is the most consistently reliable Mercedes model of the last decade? The fifth-generation E-Class earns this title by achieving a 4/5 reliability verdict in three different model years within the same generation – a unique feat for Mercedes-Benz. The 2017 Mercedes-Benz E-Class, as the first model year of this generation, is already among the top-rated, despite significant changes from the previous generation, making it a standout best used Mercedes to buy.
E 300 Performance Specifications
| Engine | 2.0-liter turbocharged inline-four |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 242 horsepower |
| Torque | 273 lb.ft |
| Driveline | RWD |
| 0-60 MPH | 6.2 seconds |
| Top Speed | 155 mph (limited) |
The fifth-generation E-Class offers a wide array of models and powertrain options, from the base E 300 with a turbo-four to the powerful E 63 AMG with a twin-turbo V-8, and even mild hybrid and diesel variants. Despite this complexity, the 2017 E-Class demonstrates strong reliability, offering a luxurious and dependable used Mercedes sedan option.
Pros
- Improved fuel efficiency across the engine range.
- Exquisite interior quality and design.
- Wide variety of models and trims to suit different budgets and preferences.
Cons
- Ride quality is slightly firmer compared to the previous generation.
- Infotainment and user controls can still be challenging for some.
- Slightly less interior space than the previous generation E-Class.
2. 2019 Mercedes-Benz E-Class
Reliability Verdict: 4/5
Despite the numerous body styles and engine choices in the pre-facelift fifth-generation E-Class, the turbo-four engine in the E 300 and 350 models is highlighted as the most reliable. The 2019 Mercedes-Benz E-Class continues the trend of high reliability within this generation, securing its place as one of the best used Mercedes to buy for dependability and luxury.
E 450 4MATIC Performance Specifications
| Engine | 3.0-liter twin-turbocharged V-6 |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 362 horsepower |
| Torque | 369 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 4.6 seconds |
| Top Speed | 155 mph (limited) |
The fifth-generation E-Class’s success stems from its solid foundation, built on Mercedes’ modern modular chassis platform (MRA). This platform underpins many of the reliable models discussed. The 2019 E-Class benefits from this robust architecture, offering enhanced driving dynamics and a luxurious interior, reinforcing its position as a top reliable used Mercedes.
Pros
- Enhanced driving dynamics compared to its predecessor.
- Luxurious and well-appointed interior.
- Wide range of E-Class models to cater to various needs and budgets.
Cons
- Ride comfort is not as plush as the previous generation.
- Infotainment system and user interface remain somewhat complex.
- Wide model range can be complex to navigate for buyers.
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1. 2022 Mercedes-Benz E-Class
Reliability Verdict: 4/5
Topping our list of the best used Mercedes to buy is the 2022 Mercedes-Benz E-Class, which underwent a significant facelift in 2021. A key aspect of this update was the streamlining of the powertrain options, which had become overly complex in previous years. The 2022 E-Class represents the pinnacle of reliability and modern features in the used Mercedes market.
Performance Specifications
| Engine | 2.0-liter inline-four + 48V mild hybrid system |
|---|---|
| Transmission | 9-speed automatic |
| Horsepower | 255 horsepower |
| Torque | 270 lb.ft |
| Driveline | AWD |
| 0-60 MPH | 5.6 seconds |
| Top Speed | 130 mph (limited) |
The 2021+ facelift simplified the Mercedes powertrain lineup. The facelifted E 300 features the current standard mild-hybrid turbo-four setup, while the E 450 models utilize a mild-hybrid turbocharged inline-six. The iconic E 63 twin-turbo V-8 engine concluded its run with this generation, aligning with Mercedes’ trend towards engine downsizing. The 2022 E-Class offers a refined, reliable, and technologically advanced used Mercedes option.
Pros
- Modernized and simplified engine options improving clarity for buyers.
- High-quality and luxurious interior.
- Continues to offer an E-Class model for a wide range of budgets.
Cons
- Marks the end of the high-performance E 63 AMG V-8 lineage.
- Infotainment system remains a point of complexity for some users.
- Long-term reliability of mild-hybrid technology is still being established.
