When selecting a battery for the Mercedes-Benz ML W166 produced between 2011 and 2015, it is important to consider both the technical requirements of the vehicle and the specific demands of its modern electrical systems. This generation of the M-Class, known for its refined engineering and luxury features, places particular emphasis on the performance and reliability of its battery, especially since many variants are equipped with the Start-Stop system, designed to improve fuel efficiency and reduce emissions.
All engine variants of the ML W166, including petrol models such as the ML 350, ML 400, ML 500, and ML 63 AMG, as well as diesel versions like the ML 250 CDI BlueTEC and ML 350 BlueTEC, require a battery with a capacity between 95 and 96 Ah and a cold cranking amperage (CCA) of 850 A. The consistency in battery specification across the range illustrates the uniformity of Mercedes’ approach to power management in this model, regardless of whether the engine is petrol or diesel.
A crucial aspect to note is the requirement for an AGM (Absorbent Glass Mat) battery. AGM technology is essential for vehicles with Start-Stop systems and those with substantial electrical consumption due to advanced infotainment, safety, and assistance systems. AGM batteries are superior to traditional lead-acid batteries in several ways: they offer higher resistance to deep discharge, faster recharging capabilities, and greater vibration resistance. These characteristics are particularly beneficial in SUVs like the ML W166, which may be used in a variety of driving conditions ranging from city commutes to off-road adventures.
For owners seeking replacement batteries, there are several examples of suitable models available on the market. Example compatible batteries include the Bosch S5A 13, Exide EK950, Exide EK960, Halfords AGM 019, Lucas LF017, and Varta G14. These batteries meet the stringent requirements set by Mercedes-Benz for the ML W166 in terms of both capacity and starting power. When choosing among these options, it is advisable to consider not only brand reputation and warranty but also the availability of after-sales service in your region. Always ensure that the chosen battery fits the physical space in the vehicle’s battery compartment and that the terminals match the vehicle’s wiring layout.
An interesting fact about AGM batteries is that their internal structure, featuring mats of glass fiber between the battery plates, allows for the electrolyte to be absorbed and immobilized. This not only prevents spillage but also enables installation at various angles, which can be beneficial during vehicle assembly or in specific off-road situations. Furthermore, AGM batteries generally have a lower self-discharge rate compared to conventional batteries, making them ideal for vehicles that may remain idle for extended periods.
It is worth mentioning that even ML W166 models without the Start-Stop system, such as the ML 400 4-matic, also utilize AGM batteries. This underlines the high demand for electrical performance, likely due to the numerous electronic systems present in the car. Regardless of whether your ML has Start-Stop or not, using an AGM battery ensures that you maintain the proper functioning of all vehicle systems, from automatic climate control to sophisticated driver assists.
If you are considering upgrading or replacing the battery in your ML W166, remember that after installation, it is often recommended to register the new battery with the vehicle’s onboard computer. This process, carried out with diagnostic equipment, informs the car’s control units of the new battery’s parameters, optimizing charging cycles and prolonging battery life. Neglecting this step can lead to irregular charging or premature battery wear.
In summary, when choosing a battery for the Mercedes-Benz ML W166 from 2011–2015, always select an AGM battery with at least 95-96 Ah capacity and 850 A CCA. Example models like Bosch S5A 13 or Varta G14 are excellent choices, but the most important factor is adhering to the recommended specifications. Taking the time to choose the right battery and installing it properly will ensure reliable starting, smooth operation of all electronic features, and a long service life for your premium SUV.
Mercedes-Benz ML in version W166 was produced in the years 2011 – 2015. We invite you to a list of batteries matching individual engine versions.
Basic parameters of batteries suitable for Mercedes-Benz ML (2011-2015):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Mercedes-Benz ML W166 – petrol engines:
- ML 350 4-matic – with Start-Stop
- ML 400 4-matic
- ML 500 4-matic – with Start-Stop
- ML 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 ML W166 – diesel engines:
- ML 250 CDI BlueTEC 4-matic – with Start-Stop
- ML 350 BlueTEC 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 |
If you’re still unsure which battery fits your Mercedes-Benz ML , 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!