Mercedes-Benz warranty extensions and special coverage
9 programs Mercedes-Benz filed with NHTSA in which it extends, or specially covers, a part beyond the original warranty (Mercedes-Benz, smart) — the term each runs to where the document states it, and the model years it names. Not recalls: the terms are Mercedes-Benz’s, they end, and the dealer checks the VIN.
Every Mercedes-Benz program on file
Source: NHTSA manufacturer communications| Number | Model years | Component | Term | Dated |
|---|---|---|---|---|
| CL - EW M157 Other Build my claim kit → | 2018 CLS-Class, 2017 CLS-Class, 2016 CLS-Class +23 | Service Brakes, Engine | 15 years or 150,000 miles, whichever comes first | Mar 27, 2026 |
| EW - Vacuum Pump M157 Build my claim kit → | 2018 CLS-Class, 2017 CLS-Class, 2016 CLS-Class +19 | Engine | 15 years or 150,000 miles, whichever comes first | Mar 14, 2026 |
| EW - Pressure Trans M157 Build my claim kit → | 2018 CLS-Class, 2017 CLS-Class, 2016 CLS-Class +19 | Service Brakes, Engine | 15 years or 150,000 miles, whichever comes first | Mar 13, 2026 |
| CL - EW M264 Other Build my claim kit → | 2023 C-Class, 2022 C-Class, 2021 C-Class +16 | Engine | 15 years or 150,000 miles, whichever comes first | Jan 23, 2026 |
| EW - Cylinder Head M264 Build my claim kit → | 2023 C-Class, 2022 C-Class, 2021 C-Class +16 | Engine | 15 years or 150,000 miles, whichever comes first | Jan 10, 2026 |
| CL - 05012025 Other Build my claim kit → | 2022 A-Class, 2021 A-Class, 2020 A-Class +97 | Fuel/Propulsion System, Electrical System | 10 years or 120,000 miles, whichever comes first | May 30, 2025 |
| CL - 240401 Service bulletin Build my claim kit → | 2021 A-Class, 2020 A-Class, 2019 A-Class +14 | Electrical System | 4 years or 50,000 miles, whichever comes first | Apr 30, 2024 |
| ELW - M278 Cat Service bulletin Build my claim kit → | 2018 CLS-Class, 2017 CLS-Class, 2016 CLS-Class +9 | Engine | 13 years or 156,000 miles, whichever comes first | Jul 27, 2023 |
| EW- 2nd Air Injection Com Build my claim kit → | 2017 fortwo, 2016 fortwo | Engine | 15 years or 150,000 miles, whichever comes first | Feb 18, 2022 |
Common questions about Mercedes-Benz warranty extensions
Source: NHTSA manufacturer communicationsDoes Mercedes-Benz have a warranty extension for my car?
Find your model and year in the list above and open the program: it names the model years Mercedes-Benz listed and quotes NHTSA’s summary. Not every vehicle of those years is covered — a Mercedes-Benz dealer checks the VIN. Bring the number (for example CL - EW M157).
Is a warranty extension a recall?
No. A safety recall carries an NHTSA campaign number and the law requires the manufacturer to fix it free. A warranty extension carries no campaign number and no legal requirement: the years, the miles and what is covered are the manufacturer’s own terms, and when they run out the coverage ends. Recalls have their own pages.
I already paid for this repair. Can I get the money back?
Many programs reimburse owners who paid before the extension was announced; where NHTSA’s summary says so, the program’s page shows it under “Paid for it already?”. The manufacturer decides, from your receipts.