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Mercedes-Benz B-Class W245 Alternator

New, used, or aftermarket – from sellers across Europe.

Parts availability

This part appears to be widely available.

Alternator110,99 € – 349,00 €
15+ offers11 New

Estimated price range

Widely available Limited Hard to find

Last updated: 08.10.2026, 05:11

Alternator for your Mercedes-Benz B-Class?

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Prices from recent listings

Median: 229.85 €
Min: 30.00 € Max: 349.00 €
Source Condition Price (approx.) Last seen
Kleinanzeigen Unknown 30.00 € 2026-10-08
Autodoc Unknown 110.99 € 2026-10-08
Daparto New 130.60 € 2026-10-08
Daparto Unknown 266.38 € 2026-10-08
Autoteiledirekt Unknown 288.24 € 2026-10-08
Kleinanzeigen Unknown 349.00 € 2026-10-08
eBay New 203.85 € 2026-08-07
eBay New 210.16 € 2026-08-07

Indicative values only – current prices may vary.

Price comparison: Alternator

Current median for the Mercedes-Benz B-Class W245: 229.85 €.

Median across all car models: around 160 €. This model is 40% above that and more expensive than 75% of the models compared.

Median across Mercedes-Benz car models: around 220 €. This model is 5% above that and more expensive than 55% of the models compared.

Compares the medians of the most recent offers found for each model.

Find Mercedes-Benz B-Class W245 parts online

hank's free AI report searches specialized shops for Mercedes-Benz B-Class W245 parts, including partsformercedes-benz.com, Hilton and Moss & Dronsfields.

Price history
30.00 € 100.00 € 300.00 € 2026-08-07 2026-10-08 30.00 € 100.00 € 300.00 € 2026-08-07 2026-10-08

About this part

The alternator on your B-Class W245 charges the battery and powers the electrics while the engine runs. A failing alternator causes dimming lights, a dying battery and eventually a vehicle that won't start.

Frequently asked questions

What should I check when ordering a replacement alternator for the Mercedes-Benz B-Class?

Match the exact engine code and the model year of your B-Class W245, as alternators differ in output (amps) and mounting. Check whether the pulley is included or needs to be transferred.

Is a remanufactured alternator a good option?

Yes – remanufactured alternators are tested to OEM specs and are often significantly cheaper than new. They're a reliable and economical choice for most vehicles.

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Mercedes-Benz B-Class W245 Alternator

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