When choosing the right battery for your Mercedes-Benz A-Class II (W169), produced between 2004 and 2012, there are several important factors that should be considered to ensure optimal performance and longevity of your vehicle’s electrical system. The A-Class in this period came with a variety of engine types, including both petrol and diesel options, as well as configurations with and without the Start-Stop system, which significantly influences the battery requirements.
For models equipped with traditional petrol engines without the Start-Stop feature, such as the A 150, A 160, A 170, A 180, A 200, and the A 200 Turbo, the recommended battery type is the classic lead-acid battery. These engines require a battery with a minimum capacity of 60 Ah and a maximum of 65 Ah, while the cold cranking amps (CCA) should range between 540 and 640 A. Some of the example compatible battery models for these vehicles include Bosch S40 05, Bosch S50 05, Exide EA640, Exide EB620, Halfords HCB 027, Lucas LP027, Lucas LS027, as well as Varta D15 and Varta D24. These lead-acid batteries are known for their reliability, cost-effectiveness, and sufficient power for conventional engine start-up and electrical needs. It is important to note that while these models are examples, other batteries with similar specifications can also be used, provided they fit the physical space and terminal layout of the battery compartment.
In contrast, when it comes to A-Class models that are equipped with the Start-Stop system, such as the A 160 and A 180 petrol variants, and the A 160 CDI diesel with Start-Stop, the battery requirements become more demanding. The Start-Stop technology, which aims to improve fuel efficiency and reduce emissions by automatically shutting off the engine at stops and restarting it when needed, places a higher load on the battery. For these models, AGM (Absorbent Glass Mat) batteries are the recommended choice. AGM batteries are specifically designed to handle frequent cycles of charging and discharging, ensuring durability and consistent performance even in challenging conditions. The recommended capacity for these batteries is between 70 and 72 Ah, with a CCA range of 720 to 760 A. Exemplary compatible models in this category include Bosch S5A 08, Exide EK700, Exide EK720, Halfords AGM 096, Lucas LF096, and Varta E39. Again, these are just suggestions, and other AGM batteries with matching specifications may also fit your vehicle. AGM batteries tend to be more expensive than traditional lead-acid ones, but their advanced technology justifies the investment, especially for vehicles that frequently operate in urban conditions with many stops and starts.
For diesel engines without the Start-Stop system, specifically the A 160 CDI, A 180 CDI, and A 200 CDI, the battery needs are slightly different due to the higher demands of diesel engine starting. These models call for a standard lead-acid battery with a capacity in the range of 74 to 78 Ah, and a cold cranking amperage between 680 and 780 A. Some of the suitable and commonly used battery models include Bosch S40 08, Bosch S50 08, Exide EA770, Exide EB740, Halfords HCB 096, Lucas LP096, Lucas LS096, as well as Varta E11 and Varta E44. Higher capacity and cranking power are essential for reliable diesel engine ignition, especially during colder months.
When selecting a new battery for your Mercedes-Benz A-Class W169, it’s crucial not only to match the technical specifications, including capacity, voltage (typically 12V), and cold cranking amps, but also to verify the physical dimensions and terminal positions to ensure a perfect fit in the battery tray. Modern vehicles, especially those with advanced electronics and Start-Stop technology, are sensitive to battery type, so installing an incompatible battery can cause malfunctions or even reduce the lifespan of vehicle systems.
One interesting fact is that AGM batteries, while initially designed for military and aviation purposes due to their robust construction and resistance to vibration, have become increasingly popular in passenger cars, especially in premium brands like Mercedes-Benz. Their spill-proof design and ability to operate at various angles make them particularly suitable for vehicles where the battery is not mounted flat in the engine bay.
In conclusion, always check your specific engine type, whether your car has the Start-Stop function, and adhere to the recommended capacity and cranking power. While the examples listed above are among the most popular and widely available, consult your vehicle’s manual or a trusted automotive specialist to confirm compatibility before making your final purchase. Investing in the right battery not only guarantees reliable starts but also helps maintain the overall health of your Mercedes-Benz A-Class’s electrical system for years to come.
Mercedes-Benz A-Class in version II (W169) was produced in the years 2004 – 2012. Below we present the specifications of batteries suitable for specific engines.
Basic parameters of batteries suitable for Mercedes-Benz A-Class (2004-2012):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Mercedes-Benz A-Class II (W169) – petrol engines:
- A 150
- A 160
- A 170
- A 180
- A 200
- A 200 Turbo
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 05 | 60 Ah 540 A | 242x175x190 mm | More |
| Bosch S5 S50 05 | 63 Ah 610 A | 242x175x190 mm | More |
| Exide Excell EB620 | 62 Ah 540 A | 242x175x190 mm | More |
| Exide Premium EA640 | 64 Ah 640 A | 242x175x190 mm | More |
| Halfords Standard HCB 027 | 62 Ah 550 A | 242x175x190 mm | More |
| Lucas Premium LP027 | 60 Ah 540 A | 243x175x190 mm | More |
| Lucas Supreme LS027 | 65 Ah 640 A | 242x175x190 mm | More |
| Varta Blue Dynamic D24 | 60 Ah 540 A | 242x175x190 mm | More |
| Varta Silver Dynamic D15 | 63 Ah 610 A | 242x175x190 mm | More |
Mercedes-Benz A-Class II (W169) – petrol engines:
- A 160 – with Start-Stop
- A 180 – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 08 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK700 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK720 | 72 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard AGM 096 | 70 Ah 720 A | 278x175x190 mm | More |
| Halfords Advanced AGM 096 | 70 Ah 760 A | 278x175x190 mm | More |
| Lucas Fusion AGM LF096 | 70 Ah 760 A | 278x175x190 mm | More |
| Varta Silver Dynamic AGM E39 | 70 Ah 760 A | 278x175x190 mm | More |
Mercedes-Benz A-Class II (W169) – diesel engines:
- A 160 CDI
- A 180 CDI
- A 200 CDI
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 08 | 74 Ah 680 A | 278x175x190 mm | More |
| Bosch S5 S50 08 | 77 Ah 780 A | 278x175x190 mm | More |
| Exide Excell EB740 | 74 Ah 680 A | 278x175x190 mm | More |
| Exide Premium EA770 | 77 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard HCB 096 | 76 Ah 680 A | 278x175x190 mm | More |
| Lucas Premium LP096 | 75 Ah 680 A | 278x175x190 mm | More |
| Lucas Supreme LS096 | 78 Ah 780 A | 278x175x190 mm | More |
| Varta Blue Dynamic E11 | 74 Ah 680 A | 278x175x190 mm | More |
| Varta Silver Dynamic E44 | 77 Ah 780 A | 278x175x190 mm | More |
Mercedes-Benz A-Class II (W169) – diesel engines:
- A 160 CDI – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 08 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK700 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK720 | 72 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard AGM 096 | 70 Ah 720 A | 278x175x190 mm | More |
| Halfords Advanced AGM 096 | 70 Ah 760 A | 278x175x190 mm | More |
| Lucas Fusion AGM LF096 | 70 Ah 760 A | 278x175x190 mm | More |
| Varta Silver Dynamic AGM E39 | 70 Ah 760 A | 278x175x190 mm | More |
If you’re still unsure which battery fits your Mercedes-Benz A-Class , 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!