Mercedes-Benz GLA · 2014+
Mercedes-Benz GLA DPF Fault Solution
When the DPF (diesel particulate filter) clogs on Mercedes-Benz GLA (2014+) diesel engines, the car regenerates frequently, power is limited and a warning lamp comes on. Differential pressure and fault memory are checked first, the ECU is identified and a matching software solution is applied after an original backup.
Suitable engines for the Mercedes-Benz GLA
Year / chassis: X156 - 2017 - 2019
| Engine | Power | DPF fault solution |
|---|---|---|
| Mercedes-Benz GLA 180d (1.5D) 109hp | 109 → 135 bhp | ✓ |
| Mercedes-Benz GLA 200d (2.2D) 136hp | 136 → 170 bhp | ✓ |
| Mercedes-Benz GLA 220d (2.2D) 177hp | 177 → 210 bhp | ✓ |
Year / chassis: X156 - 2014 - 2016
| Engine | Power | DPF fault solution |
|---|---|---|
| Mercedes-Benz GLA 180 CDI (1500cc) 109hp | 109 → 135 bhp | ✓ |
| Mercedes-Benz GLA 200 CDI 136hp | 136 → 170 bhp | ✓ |
| Mercedes-Benz GLA 200 CDI 4 Matic 136hp | 136 → 200 bhp | ✓ |
| Mercedes-Benz GLA 220 CDI 163hp | 163 → 200 bhp | ✓ |
| Mercedes-Benz GLA 220 CDI 170hp | 170 → 200 bhp | ✓ |
Year / chassis: H247 - 2020+
| Engine | Power | DPF fault solution |
|---|---|---|
| Mercedes-Benz GLA 200d (2.0D) 150hp | 150 → 200 bhp | ✓ |
| Mercedes-Benz GLA 220d (2.0d) 190hp | 190 → 220 bhp | ✓ |
When is it needed?
- DPF full / regeneration warning
- Frequent regeneration and rising fuel use
- Engine warning light and reduced power
- Oil dilution and a costly DPF replacement
Typical duration: 1–2 hours
Frequently asked questions
Can a clogged DPF on the Mercedes-Benz GLA be solved with software?
The filter and sensors are checked first; any mechanical fault is reported. Where suitable for the Mercedes-Benz GLA, the DPF software solution is applied to the ECU with the original software backed up and verified by a road test.
Will the car pass inspection after a DPF delete?
Work on emission hardware can affect inspection and road compliance. This work is offered only for uses permitted by law, such as off-road, motorsport, export or fault diagnosis. Inspection and road compliance remain the owner's responsibility.
Does the filter have to be physically removed?
We handle the software side; physical work on the filter is done in the workshop depending on the car and your choice. If only software is changed and the filter stays in place, it will keep loading up.
Should I try cleaning first?
In most cases yes. If the filter is not yet blocked, a forced regeneration or chemical clean is the better step; we measure the condition and tell you the cheapest route.
Will fuel consumption drop?
On a car that regenerates frequently it usually does, because the extra fuel burned during regeneration cycles disappears.
Other solutions for the Mercedes-Benz GLA
Mercedes-Benz GLA AdBlue fault solution
Mercedes-Benz GLA EGR fault solution
Mercedes-Benz GLA Pop & Bang tuning
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⚠ Software work on emission systems is offered only for uses permitted by applicable law (motorsport, off-road use, export, fault diagnosis, etc.). Road use and inspection compliance of the vehicle remain the owner's responsibility.