Choosing the correct battery for a Mercedes-Benz Viano (W639) produced between 2003 and 2010 is crucial to ensure reliable starts and stable operation of its extensive electrical systems. This generation of Viano was available with a wide selection of petrol and diesel engines, and each configuration has its own specific battery requirements. Since none of the engines used Start-Stop technology, the choice primarily comes down to high-quality lead-acid or AGM batteries, depending on the engine type and power demands. 
 
The petrol engines, including the 3.0, 3.2, 3.5, and 3.7 variants, all require a battery with a capacity between 80 and 88 Ah and a cold cranking current of 700 to 800 A. This ensures that these larger-displacement engines start smoothly, even in colder conditions or after periods of inactivity. Example compatible batteries include Bosch S40 10, Bosch S50 10, Exide EA852, Exide EB802, Halfords HCB 110, Lucas LP110, Lucas LS110, Varta F17, and Varta F18. These are sample fitting models that meet the Viano’s requirements and are designed to provide consistent performance for vehicles that rely on a strong electrical system to power lights, heating, and comfort features. One important detail for these petrol engines is the reduced battery height of 175 mm, which is necessary to ensure proper fitment under the hood and allow the battery cover to close securely. 
 
The diesel range in the W639 lineup is extensive, including engines like CDI 2.0, 2.2, and 3.0, with both standard and 4Matic all-wheel-drive versions. Depending on the output and type, the battery requirements differ slightly. High-output diesels, such as the CDI 2.0 (100 kW), CDI 2.2 (120 kW), and CDI 3.0 (165 kW), require AGM batteries with 80 to 82 Ah capacity and a cold cranking current of 800 A. AGM technology is used in these versions because it provides better resistance to vibrations, deeper cycling capability, and higher reliability for engines that need more starting power. Example compatible batteries include Bosch S5A 11, Exide EK800, Exide EK820, Halfords AGM 115, Lucas LF115, and Varta F21. These batteries are especially suitable for drivers who use their Viano for longer trips or under heavy load, as AGM units handle higher demands without performance loss. 
 
Other diesel variants, such as the CDI 2.0 (80–85 kW), CDI 2.2 (110 kW), and CDI 3.0 (150 kW), can use standard lead-acid batteries with the same 80–88 Ah capacity and 700–800 A cranking current as the petrol engines. Suitable examples include Bosch S40 10, Bosch S50 10, Exide EA852, Exide EB802, Halfords HCB 110, Lucas LP110, Lucas LS110, Varta F17, and Varta F18. Like the petrol models, these also require a reduced 175 mm battery height to fit correctly. 
 
An interesting characteristic of the Viano is that it was designed as both a premium passenger van and a capable workhorse, which means that electrical loads can be high. Interior lighting, climate control for multiple rows, and optional entertainment systems all draw energy from the battery. For this reason, choosing a high-quality battery is critical, and owners who often drive short distances may benefit from occasionally charging the battery externally to prevent deep discharge. 
 
Regular battery maintenance is a simple way to ensure long-term reliability. Checking the terminals for corrosion, confirming tight connections, and making sure the battery is securely mounted will help prevent unexpected starting problems. For diesel models especially, a healthy battery is vital because glow plugs require significant power before the engine can start, and a weak battery can lead to slow cranking or failure to start in cold weather. 
 
By selecting a battery that matches the required capacity and cold cranking current, respecting the reduced 175 mm height requirement, and performing basic maintenance, Mercedes-Benz Viano owners can keep their vehicle ready for family trips, long-distance journeys, or commercial use. With the right battery, the Viano’s comfort, reliability, and practicality remain as strong as ever.
Mercedes-Benz Viano (W639) was produced in the years 2003 – 2010. We invite you to a list of batteries matching individual engine versions. 
Basic parameters of batteries suitable for Mercedes-Benz Viano (W639) (2003-2010):
| Layout | Terminal types | Base hold-down | 
|---|---|---|
| 0 – positive on the right side | 1 | B13 | 
Mercedes-Benz Viano (W639)  – petrol engines:
- 3,0 
- 3.2 
- 3.5 
- 3.7 
| Model | Capacity and CCA | Dimensions (LxWxH) | Price | 
|---|---|---|---|
| Bosch S4 S40 10 | 80 Ah 740 A | 315x175x175 mm | More | 
| Bosch S5 S50 10 | 85 Ah 800 A | 315x175x175 mm | More | 
| Exide Excell EB802 | 80 Ah 700 A | 315x175x175 mm | More | 
| Exide Premium EA852 | 85 Ah 800 A | 315x175x175 mm | More | 
| Halfords Standard HCB 110 | 80 Ah 760 A | 315x175x175 mm | More | 
| Lucas Premium LP110 | 80 Ah 800 A | 317x175x175 mm | More | 
| Lucas Supreme LS110 | 88 Ah 800 A | 317x175x175 mm | More | 
| Varta Blue Dynamic F17 | 80 Ah 740 A | 315x175x175 mm | More | 
| Varta Silver Dynamic F18 | 85 Ah 800 A | 315x175x175 mm | More | 
Mercedes-Benz Viano (W639)  – diesel engines:
- CDI 2.0 (80 kW) 
- CDI 2.0 (85 kW) 
- CDI 2.0 4-matic (85 kW) 
- CDI 2.2 (110 kW) 
- CDI 2.2 4-matic (110 kW) 
- CDI 3.0 (150 kW) 
| Model | Capacity and CCA | Dimensions (LxWxH) | Price | 
|---|---|---|---|
| Bosch S4 S40 10 | 80 Ah 740 A | 315x175x175 mm | More | 
| Bosch S5 S50 10 | 85 Ah 800 A | 315x175x175 mm | More | 
| Exide Excell EB802 | 80 Ah 700 A | 315x175x175 mm | More | 
| Exide Premium EA852 | 85 Ah 800 A | 315x175x175 mm | More | 
| Halfords Standard HCB 110 | 80 Ah 760 A | 315x175x175 mm | More | 
| Lucas Premium LP110 | 80 Ah 800 A | 317x175x175 mm | More | 
| Lucas Supreme LS110 | 88 Ah 800 A | 317x175x175 mm | More | 
| Varta Blue Dynamic F17 | 80 Ah 740 A | 315x175x175 mm | More | 
| Varta Silver Dynamic F18 | 85 Ah 800 A | 315x175x175 mm | More | 
Mercedes-Benz Viano (W639)  – diesel engines:
- CDI 2.0 (100 kW) 
- CDI 2.0 4-matic (100 kW) 
- CDI 2.2 (120 kW) 
- CDI 2.2 4-matic (120 kW) 
- CDI 3.0 (165 kW) 
| Model | Capacity and CCA | Dimensions (LxWxH) | Price | 
|---|---|---|---|
| Bosch S5 AGM S5A 11 | 80 Ah 800 A | 315x175x190 mm | More | 
| Exide AGM EK800 | 80 Ah 800 A | 315x175x190 mm | More | 
| Exide AGM EK820 | 82 Ah 800 A | 315x175x190 mm | More | 
| Halfords Advanced AGM 115 | 80 Ah 800 A | 317x175x190 mm | More | 
| Lucas Fusion AGM LF115 | 80 Ah 800 A | 315x175x190 mm | More | 
| Varta Silver Dynamic AGM F21 | 80 Ah 800 A | 315x175x190 mm | More | 
If you’re still unsure which battery fits your Mercedes-Benz Viano (W639) , 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!