Mercedes-Benz Glc reliability

On affected vehicles the panel located between the windshield and the panoramic sunroof might not have been bonded correctly during a prior service repair.

Fix: Check the front fixed element of the panoramic sliding sunroof and replace if necessary.

Recalled models: GLC · 45 vehicles

On affected vehicles the bolting of the high-pressure fuel pump might not meet specifications.

Fix: Replace the high-pressure fuel pump.

Recalled models: GLC · 1 vehicles

On affected vehicles the bonding of the front rear and fixed side windows might not meet specifications.

Fix: Replace the windows.

Recalled models: GLC · 14 vehicles

On affected vehicles the socket for the front towing device might not meet specifications.

Fix: Check the towing device and replace the front cross member if necessary.

Recalled models: GLC · 2,110 vehicles

On affected vehicles the length of the transmission wiring harness might not meet specifications.

Fix: Check transmission wiring harness routing and rework if necessary.

Recalled models: GLC · 4 vehicles

On affected vehicles the fuel pump impeller might not meet specifications and may deform.

Fix: Replace the fuel pump module.

Recalled models: GLC · 1,894 vehicles

On affected vehicles the wheel and brake bleed bolts might not have been tightened with the required torque.

Fix: Check the wheel and brake bleed bolts and tighten to the correct torque.

Recalled models: GLC · 3 vehicles

On affected vehicles the stabilisation of the footwell cover in the area of the accelerator pedal might be insufficient.

Fix: Rework the footwell cover.

Recalled models: GLC · 820 vehicles

On affected vehicles the aluminium bolts of the steering gear could corrode and break due to the intrusion of moisture.

Fix: Replace the steering gear mounting bolts on the affected vehicles with steel bolts. Should the bolts break or already be broken change the steering gear.

Recalled models: GLC · 51,251 vehicles

The mounting of an acoustic pad on the B-pillar might not meet specifications.

Fix: Remove the acoustic pads and check the seat belt retractors and replace if necessary.

Recalled models: GLC · 1 vehicles

The support of the window airbag in the B-pillar might not meet specifications.

Fix: Check the window airbag support and replace it if necessary

Recalled models: GLC · 1 vehicles

The routing of the transmission wiring harness might not meet specifications.

Fix: Check the transmission wiring harness routing on the affected vehicles and replace it if necessary.

Recalled models: GLC · 1,482 vehicles

Certain Mode 2 charging cables for charging at a household power socket might not meet specifications.

Fix: Check the Mode 2 charging cable on the affected vehicles and replace it if necessary.

Recalled models: GLC · 95 vehicles

A particle in the fuel rail might lead to a leak between the fuel rail and the fuel injector.�

Fix: Replace the fuel rail and fuel injectors on the affected vehicles.�

Recalled models: GLC · 26 vehicles

On certain vehicles with a Diesel engine the coolant pump which is controlled by vacuum might have a leakage between the vacuum system and the coolant circuit.

Fix: Update the software of the coolant pump and replace the electrical switch valve on the affected vehicles.

Recalled models: GLC · 35,624 vehicles

On certain vehicles with a 4-cylinder Diesel engine the crankshaft might not meet specifications.

Fix: Replace the engine on the affected vehicles.

Recalled models: GLC · 23 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 23 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 21 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 6 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 50,390 vehicles

The belt tensioner arm may have been manufactured with borderline tolerance.

Fix: Replace the belt tensioner. Additionally check the v-ribbed belt on the affected vehicles and replace it if necessary.

Recalled models: GLC · 427 vehicles

The locking mechanism for the electrical connector of the side crash sensors might not meet specifications.

Fix: Check the side crash sensors in the doors on the affected vehicles and replace them if necessary.

Recalled models: GLC · 129 vehicles

The polycarbonate panel located between the windshield and the panoramic sunroof may not have been bonded correctly during a prior service repair.

Fix: Remove the bonded panel and install a new polycarbonate panel if required.

Recalled models: GLC · 61 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 108,971 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 86,604 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 90,716 vehicles

The connection of the gas lines of the inertisation system might not meet specifications.

Fix: Check and if necessary rework the gas lines of the inertisation system.

Recalled models: GLC · 29,137 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 106,665 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 7 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 10,410 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 162,581 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 6 vehicles

The behaviour of the emergency call system might not meet specifications.

Fix: Update the software of the communication module for the emergency call system.

Recalled models: GLC · 81,267 vehicles

The communication module may be deactivated

Fix: Carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module.

Recalled models: GLC · 24 vehicles

The software of certain communication modules may not meet specifications.

Fix: Carry out an update to the software of the communication module on affected vehicles.

Recalled models: GLC · 36 vehicles

The screw connection of the power supply on the starter might not have been installed according to specification.

Fix: Check the screw connections of the starter on the affected vehicles and correct them if necessary.

Recalled models: GLC · 944 vehicles

The wiring harness of the steering control unit might not have been manufactured according to specification.

Fix: Check the wiring harness of the steering control unit on the affected vehicles and replace it if necessary.

Recalled models: GLC · 3,029 vehicles

The shield for the high-voltage wiring harness may not permanently withstand the electrical loads that are induced under certain driving profiles

Fix: Replace the high-voltage wiring harness on the affected vehicles

Recalled models: GLC · 2,377 vehicles

An electrical contacting inside the engine control unit might not meet the specification

Fix: Replace the engine control unit on the affected vehicles

Recalled models: GLC · 37 vehicles

The software of the ESP control unit might not meet the specifications.

Fix: Update the software for the ESP control unit on the affected vehicles.

Recalled models: GLC · 1,061 vehicles

On affected vehicles the software of the communication module for the emergency call system does not meet the specification

Fix: Update the software of the communication module for the emergency call system

Recalled models: GLC · 3,127 vehicles

Improve the vehicle emissions via software updates.

Fix: Update the relevant control unit�s software and if necessary replace the NOx sensors.

Recalled models: GLC · 994 vehicles

The HV battery pack can overheat and result in the venting of hot gas which can ignite vehicle components or in extreme cases the entire vehicle.

Fix: To prevent a vehicle fire the vehicles should not be charged using the external charging cable and the vehicles should only be driven using the default Auto EV mode only

Recalled models: GLC · 124 vehicles

The left rear seat backrest lock might not meet the specifications

Fix: Replace the left rear seat backrest lock on the affected vehicles.

Recalled models: GLC · 1,179 vehicles

A correctly fastened seat belt could be detected as not fastened impairing the restraint system

Fix: Check the relevant seat belt buckles in the affected vehicles and replace if necessary

Recalled models: GLC · 15,652 vehicles

An incorrect starter wiring harness and a holder for fixing the exhaust system could be installed.

Fix: Replace the starter wiring harness and the holder for fixing the exhaust on the affected vehicles.

Recalled models: GLC · 477 vehicles

Certain driver airbag modules might not be bolted onto the base plate.

Fix: Check the driver airbag on the affected vehicles and replace it if necessary.

Recalled models: GLC · 2,345 vehicles

The durability of the crankshaft might be impaired.

Fix: Replace the engine on affected vehicles.

Recalled models: GLC · 35 vehicles

An internal sensor within the electric power steering unit might not have been manufactured according to specifications.

Fix: The affected vehicles are to have the steering unit replaced.

Recalled models: GLC · 32 vehicles

The status of the front passenger airbags displayed in the centre console might not be indicated correctly.

Fix: The affected vehicles head unit software will be updated

Recalled models: GLC · 36,643 vehicles

Improve the vehicle emissions via software updates.

Fix: Update the diesel engine control unit software and add a supplementary booklet for the operator's manual

Recalled models: GLC · 15,692 vehicles

On affected vehicles it has been determined that drivers airbags with potentially faulty gas generator housing material may have been installed in vehicles of model series 156 176 246 205 238 & 253. If the material of the gas generator housing fails during airbag deployment in the event of a crash the airbag system would possibly no longer have a restraint effect. In addition separating parts could enter the passenger compartment. This could lead to an increased risk of injury.

Fix: On affected vehicles replace the driver�s airbag

Recalled models: GLC · 421 vehicles

The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components

Recalled models: GLC · 78,608 vehicles

The connector pins of the occupant classification system to the airbag control unit might have been manufactured outside specification. After a period of time this may cause decativation of the passnger airbag.

Fix: On affected vehicles replace the connector pins of the occupant classification system.

Recalled models: GLC · 100 vehicles

It has been determined that the steering airbag electrical components are insufficiently grounded. Failure of the steering column module clock spring could result in an inadvertent deployment of the driver airbag which may cause risk of injury to the driver and an increased risk of a potential collision.

Fix: On affected vehicles the manufacturer will fit a contact bridge to the outer race of the steering column top bearing which will provide correct grounding.

Recalled models: GLC · 74,329 vehicles

The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components.

Recalled models: GLC · 51,528 vehicles

The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components.

Recalled models: GLC · 67,027 vehicles

The bonding of the windshield in the lower area may not correspond to the specification. During a collision the bonding may fail and the windscreen may detach. This could have an adverse affect on the effectiveness of the passenger airbag.

Fix: On affected vehicles check bonding and if necessary replace windscreen.

Recalled models: GLC COUPE · 2 vehicles

The front seatbelt pre-tensioner ignitors may not perform as expected. This could increase the risk of injury to the seat occupants. The lock function of the seatbelts is not impaired.

Fix: On affected vehicles replace seatbelts with quality assured units.

Recalled models: GLC · 296 vehicles

The steering column clock spring may break. This will cause warning messages to illuminate in the instrument cluster but in extreme instances it may cause the driver's airbag to deploy.

Fix: Affected vehicles will be recalled to establish sufficient grounding of the steering components.

Recalled models: GLC · 46,093 vehicles

The bonding retaining front and side plastic covers on the sunroof may not meet specification. As a result these could detach whilst the vehicle is in motion.

Fix: On affected vehicles check trims and where necessary re-bond trims.

Recalled models: GLC · 10 vehicles

The right front seat belt pretensioner may not conform to specification . This may adversely affect it's operation in the event of an accident.

Fix: Replace the pretensioner on affected vehicles.

Recalled models: GLC · 135 vehicles

The propellant mix in certain seatbelt pre-tensioners ignitors may be incorrect. If the front seatbelt pre-tensioners are deployed the lock function of the pre-tensioners cannot be guaranteed.

Fix: Recall the vehicles that are likely to be affected and replace the front seatbelts that are likely to be affected.

Recalled models: GLC · 78 vehicles

Where the car incurs severe engine damage resulting in the engine failing to turn over (engine seizure) and if the driver repeatedly attempts to start the engine despite the engine not cranking the very high electrical current could lead to overheating of the starting current limiter and the potential for a fire.

Fix: Recall the vehicles that are likely to be affected and install an additional fuse in the electrical line to the starter.

Recalled models: GLC · 74,444 vehicles

Where a control unit coding was updated in a workshop between 3 December 2016 and 5 December 2016 the coding may not correspond to the specification and may trigger unplanned action in the vehicle. The safety and emissions systems may not react as design intent.

Fix: Recall the vehicles that are likely to be affected and update the software in the corresponding control units.

Recalled models: GLC · 42 vehicles