MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO (2022)
Running costs, reliability data, and common problems from 42 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
100%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1991cc Petrol
Great Choice
100% pass rate, £1777/year to run. 18 points above average.
Check a specific MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO
Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.
Annual Running Costs
~36 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
Get an insurance quote for this MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO
Compare quotes and find the best deal
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 4 years old, 100% of MERCEDES AMG A 45 S 4MATIC+ PLUS AUTOs from 2022 passed their MOT first time in 2026. That's based on 42 tests across the UK. The average mileage at this age is 14,571 miles.
Got a MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO you're looking at?
Enter the reg plate to check its specific MOT history, mileage, and health score.
How Does It Compare?
Mileage Analysis
14,571
Average miles
29,600
Expected for age
The average 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO has 14,571 miles on the clock, which is significantly below the expected 29,600 miles for a 4-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
Looking at a specific MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO?
Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.
Best Year to Buy?
The most reliable year is the 2021 model with a 94% MOT pass rate, while the 2019 model has the lowest at 93%. The 2022 sits between the two at 100%.
MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO by Year
Similar Cars to Consider
Check a Specific Mercedes Amg a 45 s 4matic+ plus auto
Enter a reg plate to get the full MOT history, health score, and mileage verification.
Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.
About the 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO
The 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO is a family car with a 1991cc petrol engine. 42 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 6% of all 2022 cars for reliability.
With an average of 14,571 miles at 4 years old, MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO Fuel Costs
The 1991cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO?
Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO Reliability Trend
The MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO
At 4 years old, the MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 94%. Note: with only 42 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2022 MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO(2022) | 100% | £1327 | £195 | Grp 18-32 | £1777 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| MERCEDES A(2021) | 94% | £1327 | £190 | Grp 18-32 | £1772-£5 |
| VOLVO XC40(2020) | 93% | £1327 | £190 | Grp 18-32 | £1772-£5 |
| MINI COOPER(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mercedes Models
Explore other Mercedes cars or similar models in the same category.
MERCEDES A
2019 · 1461cc Diesel
MERCEDES C
2017 · 1991cc Hybrid
MERCEDES A-CLASS
2017 · 1461cc Diesel
NISSAN QASHQAI
2020 · 1598cc Petrol
MERCEDES A
2021 · 1991cc Petrol
VOLVO XC40
2020 · 2000cc Petrol
Related Guides
In-depth articles relevant to the Mercedes Amg a 45 s 4matic+ plus auto.
Cars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Reliability20 Most Reliable Used Cars UK 2026: Real MOT Pass Rate Rankings
10 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Check a specific MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO
Enter the reg to see its MOT history, mileage check, and predicted costs.
Premium History Check
Buying a MERCEDES AMG A 45 S 4MATIC+ PLUS AUTO? Our premium check covers:
- Stolen check (PNC)
- Outstanding finance
- Write-off history (Cat A/B/N/S)
- Previous owners count
Competitors charge £10-£20 for the same data