Is the Mercedes B-Class 7G-DCT gearbox reliable?

It is reliable when serviced, but it can judder when pulling away and parking. On a test drive, creep through traffic and check that the shifts are smooth.

Which automatic gearbox does each Mercedes B-Class have?

The W245 uses the Autotronic CVT and the W246 the 7G-DCT dual-clutch. The W247 has the 7G-DCT on lower-powered versions and the 8G-DCT on the bigger engines.

Does an automatic Mercedes B-Class need gearbox oil changes?

Yes, the B-Class dual-clutch gearboxes have an oil change in their service schedule. Ask for the invoice for that work before you buy.

Cars

Used Mercedes-Benz B-Class automatics in Spain

Found 924 cars

From €2,800 to €80,000, half under €25,900 · Typically 2022 with 56,066 km. On an automatic B-Class the gearbox depends on the generation: an Autotronic CVT on the W245, the 7G-DCT dual-clutch on the W246, and the 7G-DCT or 8G-DCT on the W247 by engine. The gearbox, more than the engine, decides the purchase.