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Second Hand Mercedes-Benz B-Class Heater Matrix

Compare prices on a used Mercedes-Benz B-Class heater matrix from UK breakers. Free part request, no obligation.

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Choosing the right used Mercedes-Benz B-Class heater matrix

Used heater matrixs vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:

Other used Mercedes-Benz B-Class parts

Used heater matrix for other Mercedes-Benz models

Fitment questions

Does a heater matrix from an older B-Class fit my newer one, or do they change between generations?

The B-Class runs across two main generations: the first generation (W245, 2005–2011) and the second generation (W246, 2012–2018, with a facelift around 2015). Heater matrices are generation-specific, so a W245 unit will not fit a W246 and vice versa. If you're buying used, make sure the breaker confirms the part matches your exact generation — give them your registration to be sure.

Will a heater matrix from a 2014 B-Class fit my 2016 model?

Both a 2014 and a 2016 B-Class fall within the W246 second generation (2012–2018), but 2014 sits before the facelift and 2016 sits after it — and it's not certain whether the heater matrix changed at that facelift point. Name the boundary to your breaker and ask them to cross-reference the part number against your registration before purchasing, as we can't guarantee interchange across that 2015 facelift divide.

Does the trim level affect which heater matrix I need — for example, does a Sport or AMG Line use a different one?

For a heater matrix, trim level is very unlikely to affect fitment — this is a core heating system component that doesn't change between Sport, SE, or AMG Line variants. You may notice minor differences in how surrounding dashboard trim pieces are configured, but the matrix itself should be common across trims within the same generation. Confirm with the breaker using your registration to be certain, but trim level shouldn't be a barrier here.

Does the engine type matter when buying a used heater matrix for a Mercedes B-Class?

No — the heater matrix is part of the cabin heating system and is not engine-specific, so it does not matter whether your B-Class has a petrol or diesel engine. You should focus on matching the correct generation (W245 or W246) rather than the engine code. Always give the breaker your registration so they can verify the exact part.

Does a Mercedes B-Class actually have a heater matrix, or is it a different type of heating system?

Yes, all standard variants of the Mercedes-Benz B-Class use a conventional heater matrix as part of the cabin heating and ventilation system, so you can search for this part with confidence. Whether your car has standard heating or climate control, the heater matrix is present in both setups, though the surrounding components may differ. Make sure to tell the breaker which generation you have (W245 2005–2011 or W246 2012–2018) when requesting a quote.

Is the heater matrix the same on left-hand drive and right-hand drive B-Class models?

The heater matrix itself typically sits centrally in the heater box and is not side-specific, so a unit sourced from a left-hand drive European B-Class of the same generation should be the same part. However, surrounding components and how the unit is accessed can differ between LHD and RHD cars, so it's worth mentioning to the breaker that you have a right-hand drive UK car. Confirm the part number matches your vehicle before buying.