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Emergency
KNOWN FAULT · Mitsubishi

Heater that does not warm up because of a clogged heater matrix (Space Star)

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment
Heater matrix: Mitsubishi Space Star
Period mentioned
2013 onwards
Symptoms
The heater gives no or very little heat, even with the engine warm.
Possible cause described
According to AUTO BILD (2026 TÜV report), when the heater does not work, the cause is often a clogged heat exchanger.
Check for the garage
First check the coolant level with the engine cold; at the garage, check whether both heater matrix hoses get equally hot (if not, it is clogged) and flush or replace it.
Cost cited in the source
No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

AUTO BILD: the Mitsubishi Space Star in the 2026 TÜV report

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

Calculate estimate
How is it checked?

First check the coolant level with the engine cold; at the garage, check whether both heater matrix hoses get equally hot (if not, it is clogged) and flush or replace it.

What are the symptoms?

The heater gives no or very little heat, even with the engine warm.

Which cars and years does it affect?
Brands
Mitsubishi
Engine / equipment
Heater matrix: Mitsubishi Space Star
Period mentioned
2013 onwards

Taking it to a garage?

Find garages near you and, before you say yes, check whether the quote is reasonable.

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