Choosing the right battery for your Mercedes-Benz CLS C218 (2011 and newer) is crucial for ensuring optimal performance, reliability, and longevity of your vehicle’s electrical system. The CLS C218 is a model known for its sophisticated technology, luxurious features, and advanced electronics, all of which demand a robust and dependable battery. Whether you drive a petrol or diesel version, or whether your car is equipped with the Start-Stop system, the requirements for battery specifications remain remarkably consistent across the range. This consistency simplifies the selection process but also means you should pay close attention to the details to make the best choice for your vehicle.
For all engines in the CLS C218 lineup, including popular variants such as the CLS 350, CLS 500, CLS 500 4MATIC, CLS 63 AMG, and their AMG and 4MATIC counterparts, as well as the diesel models like the CLS 250 CDI, CLS 350 BlueTEC, and CLS 350 CDI, the recommended battery type is AGM (Absorbent Glass Mat). AGM batteries are specifically designed to handle the higher electrical demands of modern luxury vehicles, which often come equipped with Start-Stop systems and a multitude of onboard electronics. This type of battery is not only more resistant to deep discharges and vibrations, but it also offers superior cold-start performance—a feature especially relevant for high-performance engines and climates with temperature extremes.
When it comes to technical specifications, the correct battery should have a nominal capacity of between 95 and 96 Ah (ampere-hours), ensuring ample reserve energy to support all electrical systems, even during periods of prolonged inactivity. Additionally, the required cold cranking amperage (CCA) is 850A, which is essential for reliable engine starting, particularly in cold weather or after your vehicle has been parked for an extended period. It’s important to match both the Ah and CCA values to the manufacturer’s recommendations, as using a battery with lower specifications may lead to insufficient performance, reduced lifespan, or even potential damage to sensitive electronics.
To give you some guidance, there are several example battery models that fit the requirements of the Mercedes-Benz CLS C218. Suitable AGM batteries include, for instance, the Bosch S5A 13, Exide EK950 and EK960, Halfords AGM 019, Lucas LF017, and Varta G14. These are just sample compatible models and serve as a reference; you might also find equivalent batteries from other reputable brands that meet the same specifications. Always ensure that the chosen battery matches the exact size, terminal layout, and mounting style required for your vehicle to guarantee a proper fit and hassle-free installation.
One of the interesting facts about the CLS C218 is that, due to the prevalence of the Start-Stop system across almost all variants, the demand for AGM batteries is universal, regardless of whether your engine is petrol or diesel, or if your specific model is equipped with or without 4MATIC (all-wheel drive). Even the few variants without Start-Stop, such as the CLS 350 CDI and CLS 350 CDI 4MATIC, still benefit from using AGM batteries given their high electrical demands. This highlights the importance Mercedes-Benz places on battery performance and reliability across its entire luxury coupe lineup.
If you are replacing the battery, it’s also worth remembering that many modern vehicles, including the CLS C218, may require battery registration or reprogramming after installation. This process ensures the car’s electrical management system recognizes the new battery and can optimize charging and energy usage, which helps prolong battery life and maintain the vehicle’s performance. Ignoring this step could lead to warning lights or improper charging, so it’s always a good idea to consult a qualified technician or follow the manufacturer’s guidelines.
In conclusion, for the Mercedes-Benz CLS C218, you should select a high-quality AGM battery with a capacity of 95–96 Ah and a CCA of 850A. While models like the Bosch S5A 13, Exide EK950/EK960, Halfords AGM 019, Lucas LF017, and Varta G14 are excellent examples, always verify compatibility with your specific car and follow proper installation protocols. Investing in the right battery not only ensures reliable starting and operation but also safeguards the sophisticated electronics that make your CLS a standout luxury coupe.
Mercedes-Benz CLS in version C218 is produced from 2011. We invite you to a list of batteries matching individual engine versions.
Basic parameters of batteries suitable for Mercedes-Benz CLS (2011-):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Mercedes-Benz CLS C218 – petrol engines:
- CLS 350 – with Start-Stop
- CLS 500 – with Start-Stop
- CLS 500 4-matic – with Start-Stop
- CLS 63 AMG – with Start-Stop
- CLS 63 AMG 4-matic – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 13 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK950 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK960 | 96 Ah 850 A | 353x175x190 mm | More |
| Halfords Advanced AGM 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Lucas Fusion AGM LF017 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Silver Dynamic AGM G14 | 95 Ah 850 A | 353x175x190 mm | More |
Mercedes-Benz CLS C218 – diesel engines:
- CLS 250 CDI – with Start-Stop
- CLS 350 BlueTEC – with Start-Stop
- CLS 350 BlueTEC 4-matic – with Start-Stop
- CLS 350 CDI
- CLS 350 CDI 4-matic
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 13 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK950 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK960 | 96 Ah 850 A | 353x175x190 mm | More |
| Halfords Advanced AGM 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Lucas Fusion AGM LF017 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Silver Dynamic AGM G14 | 95 Ah 850 A | 353x175x190 mm | More |
If you’re still unsure which battery fits your Mercedes-Benz CLS , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!