Mercedes-Benz GLS-Class X166 common faults.

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz GLE350 4Matic, GLE350, GLS450 4Matic, GLS550 4matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, and GLS63 AMG 4Matic vehicles. The rear brake caliper pistons on these vehicles may not have been correctly coated, causing gas to become temporarily released into the rear brake hydraulic circuit, reducing braking performance.

Risk: Reduced braking performance can increase the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will bleed the rear axle brake system, free of charge. The recall began September 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018080013.

The authority's notice

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.

Remedy: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.

The authority's notice

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 GLE300d 4Matic, GLE400 4Matic, GLE350 4Matic, GLE63 AMG, GLE63 AMG Coupe, GLE63S AMG and GLE63S AMG Coupe, and 2017 GLS450 4Matic, GLE550 4Matic, and GLE63 AMG 4Matic vehicles. These vehicles may have excess bulkhead insulation extending into the lower windshield area, possibly affecting the windshield bonding and the full protective function of the passenger's frontal air bag in the event of a crash.

Risk: If the passenger's frontal air bag does not function as designed in the event of a crash, the front seat passenger has an increased risk of injury.

Remedy: MBUSA will notify owners, and dealers will remove any excess bulkhead insulation and rework the windshield bonding, as necessary, free of charge. Interim owner letters will be mailed in December 2017. Owners will receive a second notice when the remedy is available in late January 2018. MBUSA's number for this recall is 2018020002. Owners may contact MBUSA customer service at 1-877-496-3691.

The authority's notice

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE 400 4Matic, GLE 350 4Matic, GLE 350, GLE 550E 4Matic, GLE 63 AMG, GLE 63S AMG, GLE 43 AMG 4Matic Coupe, GLE 63S AMG 4Matic Coupe, GLS 450 4Matic, GLS 550 4Matic, and GLS 63 AMG 4Matic vehicles. In certain types of crash events, the center console may unlatch, allowing the objects within to fly around the cabin. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Impact."

Risk: In the event of a crash, if objects are not secured within the center console, they may strike the vehicle occupants, increasing their risk of injury.

Remedy: MBUSA will notify owners, and dealers will modify the center console so that it remains latched in a crash, free of charge. The recall is expected to begin in early March 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

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

The vacuum-controlled coolant pump may not be tightly sealed between the coolant and vacuum circuits. This may result in the coolant leaking into the vacuum circuit leading to an electrochemical reaction, 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

The surface of the instrument panel might not be adequately bonded to the base support. As a result, the opening behaviour of the passenger airbag could be impaired, 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

Due to incorrect functioning of the occupancy sensor system on the passenger's side, the airbag may not deploy 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

The air conditioner may be faulty, which can lead to short circuits and/or fire. The automatic emergency call (eCall) may fail and the vehicle may not unlock and/or start. The emergency engine operation mode can be activated while driving. These errors create risks of injury. 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

The condensed water drainage hose of the air-conditioning system may not be properly fitted and could spontaneously detach. Consequently, condensation water could enter the passenger compartment and corrode electrical components, which could lead to short-circuits increasing the risk of fire. Additionally, this corrosion might cause different electrical systems to malfunction, increasing the risk of 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

The welds on the rear cross-beam may not be sufficiently strong and could break. As a result, the cross-beam may become detached from the vehicle during a towing operation, 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

The bolt for the 48V ground connection under the passenger seat may have been secured with insufficient torque. As a result, the electrical resistance of the connection could increase and the temperature may therefore rise in this area, posing a risk of fire. 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

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

The piston bar seal on the shock absorbers does not meet the durability requirements. This can result in tilting of the vehicle with full load when cornering, 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

The ESP control unit software does not comply with the specifications and may not be able to adapt to the type of brakes installed. This can cause the ESP system to be unable to respond as intended to a possible drift of the yaw rate sensor or to a failure of the brake vacuum supply. As a result, the ESP intervention may be inappropriate to the driving situation, 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

The windscreen may be incorrectly bonded and could become detached from the body of the car in the event of a crash. A passenger airbag being deployed in this case could not be supported by the windscreen as intended. As a result, the restraining effect of the passenger airbag could be impaired, increasing the risk of injury to the passenger.

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

In certain GLE/GLS (BR 167) and C-class vehicles, the seats might be constructed incomplete or with unintended trim, increasing the risk of injury in the event of an accident. 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

The locking mechanism of the third row of seats may malfunction, which increases the risk of injury in the event 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): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

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

The sealing cap of the Active Curve System's oil reservoir does not prevent oil from leaking out. Oil may leak out and spray onto hot components. As a consequence it may ignite and lead to 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

The pistons on the rear axle brake callipers are inadequate. This may lead to reduced braking performance or failure of the rear brake circuit.

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

There may be superfluous insulation material in the lower area of the windscreen which could damage the adhesion of the windscreen. As a result, in the event of a frontal collision, the passenger airbag would not be supported by the windscreen as intended, undermining the performance of the airbag and increasing the risk of injury for the passenger.

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

The garnish moulding to the window stay bar of the rear doors may not be installed correctly. As a result, the garnish moulding could become detached in motion, posing a risk to the following traffic.

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

The three aluminium screws of the steering box may corrode due to exposure to spray water and aggressive road-grit (salt) used for melting ice. Advanced corrosion could weaken the screws, leading to potential breakage during manoeuvring or parking. If all fixing screws fail, the power-assisted steering could detach, resulting in a loss of power steering and an increased 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): Recall of the product from end users Date of entry into force: Unknown

The authority's notice