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Mercedes-Benz GLA-Class X156 common faults.

2013–2019. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

Mercedes-Benz GLA-Class X156

M 93 / CC BY-SA 3.0 de

What to watch for

What can go wrong on this car?

The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.

critical7

expensive1

The 7 speed dual clutch of the transverse MFA platform (7G-DCT / 724.0: A/B/CLA/GLA/GLB) started its early years with jerking and firmware faults; today most of the complaints trace back to the mechatronics unit (valve body and solenoids) and the electric oil pump.

Applies to the transmission MB7DCT.

8 more faults belong to this generation. On the version page, only the ones that apply stay.

Official recall23 recallsShow

The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done. The list covers the whole generation. We did not filter it by model year. Some apply only to a narrower production window.

Most recent: 1 April 2021

21V229000STEERINGSTEERING1 April 2021 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 B250e, CLA250, 2017-2018 AMG CLA45, GLA250, and AMG GLA45 vehicles. The steering shaft bore hole for the universal joint bearing may allow excessive movement that, over time, could result in the separation of the bearing and universal joint.

Risk: A separated universal joint bearing can cause a loss of steering control and increase the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect, and as necessary, replace the steering shaft, free of charge. Owner notification letters were mailed July 23, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021060001.

The authority's notice

21V033000POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)29 January 2021 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 GLA 250 vehicles. The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.

Risk: If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will replace the transmission control unit, free of charge. The recall began March 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020038.

The authority's notice

20V672000STEERING:ELECTRIC POWER ASSIST SYSTEMSTEERING:ELECTRIC POWER ASSIST SYSTEM30 October 2020 · NHTSA (USA)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 GLA250 vehicles. The engine compartment fusebox may come loose over time, potentially damaging fuses and disrupting certain vehicle functions such as engine, power steering assist, electronic stability control (ESP), and Active Brake Assist.

Risk: A loss of engine operation, power steering assist, ESP system, or Active Brake Assist can increase the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect the engine compartment fusebox mounting and correct it, as necessary, free of charge. The recall began December 11, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020110007.

The authority's notice

19V585000SEAT BELTS:REAR/OTHERSEAT BELTS:REAR/OTHER12 August 2019 · NHTSA (USA)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 GLA250 and GLA250 4MATIC vehicles. The left anchor plate of the rear middle seatbelt may be loose.

Risk: The seatbelt for a passenger seated in the rear middle seating position might not be properly secured, which could increase the risk of an injury in the event of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect the left anchor plate of the rear middle seatbelt, correcting its installation as necessary, free of charge. The recall began September 13, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019080010.

The authority's notice

19V132000SEATSSEATS26 February 2019 · NHTSA (USA)

Mercedes-Benz USA, LLC (Mercedes) is recalling certain 2018-2019 GLA-250 and GLA250 4MATIC vehicles. An incorrect rear seat back covering carpet could have been installed on the split-rear seat back. As a result, the child seat anchorage point (top tether) on the center positon of the rear seat may be covered and inaccessible for use. As such, these vehicles fail to comply to Federal Motor Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Risk: If the upper anchorage point is covered, the child seat will not be able to be secured as intended in the center position of the rear seat, increasing the risk of injury in the event of a crash.

Remedy: Mercedes will notify owners, and dealers will check the rear seat back covering carpet on the affected vehicles and replace it if necessary, free of charge. The recall began April 6, 2019. Owners may contact Mercedes-Benz's customer service at 1-800-367-6372. Mercedes' number for this recall is 2019030003.

The authority's notice

18V912000VISIBILITY:SUN/MOON ROOF ASSEMBLYVISIBILITY:SUN/MOON ROOF ASSEMBLY19 December 2018 · NHTSA (USA)

Mercedes-Benz USA, LLC (Mercedes) is recalling certain 2018-2019 GLA250 and GLA250 4MATIC vehicles. The sunroof bonding may allow water to leak into the vehicle.

Risk: Water leaking into the vehicle from around the sunroof may affect the electrical contacts of the window air bag, potentially causing the window air bag to not deploy as intended, increasing the risk of injury in the event of a crash.

Remedy: Mercedes has notified owners, and dealers will inspect the bonding of the panorama sliding sunroof and the electrical contacts of the window air bag on the affected vehicles, replacing the components as necessary, free of charge. The recall began April 12, 2019. Owners may contact Mercedes customer service at 1-800-367-6372. MBUSA's number for this recall is 2019030006.

The authority's notice

18V405000CHILD SEAT:TETHER: CONNECTOR/CLIPCHILD SEAT:TETHER: CONNECTOR/CLIP15 June 2018 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz GLA250 and GLA250 4Matic vehicles. The child seat top tether anchorage point on the center position of the rear seat may not have been installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Risk: If the top tether anchorage point is missing, a child seat will not be able to be properly installed in the center rear seat position, increasing the risk of injury.

Remedy: MBUSA will notify owners, and dealers will replace the rear seat backrest, free of charge. The recall began August 15, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

17V653000EXTERIOR LIGHTING:HEADLIGHTSEXTERIOR LIGHTING:HEADLIGHTS16 October 2017 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 GLA250 4Matic vehicles. The low beam headlight settings on these vehicles may deviate from the required specification, reducing the range of light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: Reduced headlight range can affect visibility and increase the risk of a crash.

Remedy: MBUSA owns the affected vehicles. Dealers will inspect the headlight adjustment, correcting it as necessary, free of charge. The recall began on October 27, 2017. Owners may contact MBUSA customer service at 1-877-496-3691. MBUSA's number for this recall is 2017100009.

The authority's notice

17V080000AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULEAIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE8 February 2017 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 CLA250, CLA250 4Matic, E400 Coupe, E400 4Matic Coupe, E550 Coupe, E400 Cabriolet, E550 Cabriolet, E300, E300 4Matic, E400 Wagon, GLA250, and GLA250 4Matic vehicles. The pelvis air bag or the front passenger air bag inflator initiator may fail to ignite in the event of a crash.

Risk: If the pelvis airbag or the front passenger airbag does not deploy as intended in the event of a crash, the occupants have an increased risk of injury.

Remedy: MBUSA will notify owners, and dealers will replace the affected air bag modules, free of charge. The recall began March 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

15V662000ENGINE AND ENGINE COOLING:ENGINEENGINE AND ENGINE COOLING:ENGINE16 October 2015 · NHTSA (USA)

Mercedes-Benz USA, LLC (Mercedes-Benz) is recalling certain model year 2015 CLA250, CLA250 4Matic, GLA250, GLA250 4Matic, and 2016 SLK300 roadster vehicles manufactured July 17, 2015, to August 31, 2015. The affected vehicles have intake or exhaust camshafts whose welds may fail and possibly cause engine damage.

Risk: Engine damage may result in a stall, increasing the risk of a crash.

Remedy: Mercedes-Benz will notify owners, and dealers will replace the affected camshafts, free of charge. Interim notices were mailed to owners on December 9, 2015. The recall began on December 23, 2015. Owners may contact Mercedes-Benz customer service at 1-800-367-6372. Mercedes-Benz's number for this recall is 2015100006.

The authority's notice

A12/00017/22Safety recallFireno date · EU Safety Gate

A trapped particle may damage the sealing between the fuel rail and fuel injector, which could cause fuel to leak into the engine compartment. Consequently, leaking fuel may come into contact with hot parts of the engine, increasing the risk of fire. The product does not comply with the requirements laid down in the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00531/22Safety recallInjuriesno date · EU Safety Gate

Improper torque of the screws on the brake caliper housing can cause the screw connections to become loose. As a result, the braking performance would be reduced and components of the brake caliper may be lost, increasing the risk of accidents. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00857/21Safety recallInjuriesno date · EU Safety Gate

A bore hole in the universal joint on the steering shaft may have incorrect size. As a result, there could be play between the bearing fitted into the bore hole and the universal joint, which could cause the joint to become detached over time. This would impair the vehicle’s steerability, increasing the risk of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00940/24Safety recallInjuriesno date · EU Safety Gate

The steering software may not correctly activate the fallback level in the event of a hardware failure. This could affect the power steering assistance and lead to the loss of steering capacity, increasing the risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of Motor Vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Update of the electric steering software Date of entry into force: Unknown Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00968/22Safety recallInjuriesno date · EU Safety Gate

Due to a defect in the high fuel pressure manifold the engine might be damaged. This may lead to reduced engine power and to inability to start the vehicle, increasing the risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Importer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/01145/20Safety recallInjuriesno date · EU Safety Gate

The screws on the rear axle might not be tightened properly, which could lead to overloading of other screw connections. This can result in loss of wheel control and consequently to loss of control over the vehicle, increasing the risk of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/01337/20Safety recallFireno date · EU Safety Gate

The oil-supply pipe on the turbocharger may leak. As a result, engine oil could leak onto the under-body paneling and from there onto the road, posing a risk to the following traffic. Moreover, leaking engine oil might come into contact with hot components in the engine compartment, increasing the risk of fire.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0457/17Safety recallInjuriesno date · EU Safety Gate

Following the update of the control unit coding, the coding parameters of the control unit could be defective. This could give rise to various unplanned reactions in the vehicle: the wrong airbag could be triggered in the event of an accident, the airbag control unit may not recognise the belt buckle status, the engine control unit could be coded with a false maximum speed or various assistance systems may not function.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0763/17Safety recallInjuriesno date · EU Safety Gate

The mixture ratio of the fuel in the inflators of the front-passenger knee, pelvic and side curtain airbags may not be correct. In the event of an accident requiring the deployment of the airbags, this could lead to the airbags not inflating properly.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0852/18Safety recallInjuriesno date · EU Safety Gate

The casing material of the gas generator of the driver airbag may be defective. In the event that the airbag is deployed, the airbag may not protect the driver and detached parts might enter the passenger compartment causing injury to the vehicle occupants.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1632/19Safety recallInjuriesno date · EU Safety Gate

The end mount of the middle rear safety belt may not be correctly secured and could become detached. As a result, the safety belt will become inoperable, increasing the risk of injury in the event of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1733/17Safety recallInjuriesno date · EU Safety Gate

The steering column is not sufficiently earthed. As a result, in the event of an electrostatic discharge, the driver's airbag may be triggered when not required. This could cause an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1794/19Safety recallInjuriesno date · EU Safety Gate

The fixing screw connecting the base holder of the manual control device may not be correctly fitted. This can impair the control over the vehicle, increasing the risk of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

Engines and transmissions in this generation

A fault is often tied to the engine, not to the whole generation. You find the engine code in the registration document.

X156 · 2013–2019

Pick the version.

The fault list opens on the version page.

65 versions

Showing 60 of 65 versions.

Neighbouring generations

X156 · 2013–2019

X156 (2013-2019). If the listing is from the changeover year, look at the neighbour too.

Previous generation

This is the earliest.

This generation

X156 · 2013–2019

Next generation

H247 · 2020–

Common questions

About this generation

Which years does this page cover?

2013–2019. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.

Does the fault apply to every car like this?

No. It depends on the engine and the transmission too.

Is it free?

The fault list is.

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms