2018 Mercedes-benz Glc300 problems

General information about Mercedes-benz-Glc300
Overview of popular issues
Recalls list

The Mercedes-Benz GLC is a compact luxury crossover SUV introduced in 2015 for the 2016 model year that replaced the GLK-Class. According to Mercedes-Benz, it is the SUV equivalent to the C-Class.

Under the vehicle naming scheme maintained by Mercedes-Benz, SUVs use the base name "GL", followed by the model's placement in Mercedes-Benz hierarchy. The "G" is for Geländewagen (German for off-road vehicle) and alludes to the long-running G-Class. This is followed by the letter "L" that acts as a linkage with the letter "C" to signify that the vehicle is a SUV equivalent to the C-Class.

First generation (X253/C253; 2015)

Like its predecessor, it is assembled at Mercedes-Benz's plant in Bremen, Germany. Since the main GLC production site in Bremen already runs at full capacity, Mercedes-Benz have decided to expand the production capacity by utilizing Valmet Automotive plant at Uusikaupunki, Finland. The manufacturing of the GLC started in Finland during Q1 of 2017.

The first-generation GLC was available in a five-door body style with seating for five. Mercedes also offers a GLC Coupé, with a sloping rear roof design. In mainland Europe, it is available with three diesel engines, three petrol engines, and a plug-in hybrid. In the United Kingdom, only three diesels and one petrol AMG-model are offered.

Power comes from a choice of 2.0-litre 4-cylinder turbocharged petrol (same engine combined with the electric engine in the 350e hybrid) and 2.2-liter 4-cylinder turbo diesel engines in various power stages mated to a 9-speed (7-speed for the 350e hybrid) G-Tronic automatic transmission. 4MATIC all-wheel-drive is standard in some markets and optional in others. The GLC has a track width of 63.9 in (1,623 mm) in front and 63.7 in (1,618 mm) in the rear. Trunk volume is rated at 20.5 cu ft (580 L).

In the German home market, the GLC 250 4MATIC petrol version is joined by GLC 220d 4MATIC and GLC 250d 4MATIC diesel versions along with a plug-in hybrid version called the 350e. In North America, only the GLC 300, GLC 43 AMG and GLC 63 AMG are available.

Social links

Common 2018 Mercedes-benz Glc300 problems

The 2018 Mercedes-Benz GLC300 has several common problems that have been reported by owners. These issues include a reduction in fuel pressure, engine misfiring, wet carpet on the driver's side, and various recalls.

A reduction in fuel pressure is the most widespread complaint among 2018 Mercedes-Benz GLC owners, occurring around 35,000 miles. This issue is caused by a weak fuel pump that can wear out and fail. Replacing the fuel pump costs approximately $1,200, depending on local labor rates.

Engine misfiring has also been reported by some GLC owners at roughly 60,000 miles. This problem is typically solved by changing out the spark plugs, which costs between $650 and $900, depending on the engine in your GLC.

Wet carpet on the driver's side floor near the pedal box is another complaint on the 2018 GLC. This issue is caused by a clogged or disconnected sunroof drain line, which allows water to leak out. Cleaning out and reconnecting the drain line costs around $200 for labor, and solves the problem.

There are 14 recalls on the 2018 Mercedes GLC, which is worse than many other small SUVs on the market. Many of the recalls cover air bag inflators, which are common across all makes and models. The most serious recall covers the starter power supply cable, which Mercedes will replace for free on affected models.

While these issues may seem concerning, it is important to note that a well-maintained 2018 Mercedes GLC can last around 200,000 miles before it becomes too expensive to keep running. Regular annual maintenance costs are higher than many competitors, but regular maintenance can help prevent these common problems from occurring.

What are the most common problems with Mercedes GLC?

What are the most common problems with a used Mercedes GLC estate? Some GLCs have been known to make noises when full lock is applied and the steering also seem to be susceptible to a problem known as 'crabbing', where the wheels on one axle of the car appear to be out of alignment with those on the other.

Is GLC 2018 reliable?

Interior, Comfort & Cargo 9/10 – Interior materials are high-quality and luxurious, the seats are very comfortable on long drives, cargo space is also okay for a small SUV. Reliability 7/10 – There are no serious widespread complaints on the 2018 GLC, although small issues are expensive to fix.

Is Mercedes GLC 300 expensive to maintain?

Mercedes-Benz maintenance costs are pretty expensive compared to other brands and drivers pay about $908 on average per year to maintain and repair their Mercedes vehicles, according to RepairPal.com.

Does glc300 hold its value?

A Mercedes-Benz GLC-Class will depreciate 41% after 5 years and have a 5 year resale value of $30,862. The chart below shows the expected depreciation for the next 10 years. These results are for vehicles in good condition, averaging 12,000 miles per year. It also assumes a selling price of $52,246 when new.

Is GLC 2018 reliable?

What are the most common problems with Mercedes GLC?

Is Mercedes GLC 300 expensive to maintain?

Which GLC engine is best?

Every version of the GLC comes with plenty of standard equipment, so we think you're best sticking with the entry-level AMG Line model. Likewise, we recommend the entry-level 220d diesel engine because it has plenty of power and helps to keep the cost down.

2018 Mercedes-benz Glc300 complaints

The NHTSA has received 0 complaints about various vehicle components related to the 2018 Mercedes-benz Glc300.

You can leave your car complaint via the special form below.

2018 Mercedes-benz Glc300 recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 12 recalls for different components of the 2018 Mercedes-benz Glc300.

2023-12-15

Manufacturer: Mercedes-Benz USA, LLC
Components: STRUCTURE:BODY:ROOF AND PILLARS
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.
Consequence: A detached roof panel can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.

2022-05-20

Manufacturer: Mercedes-Benz USA, LLC
Components: ELECTRICAL SYSTEM:SOFTWARE
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Consequence: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

2021-03-19

Manufacturer: Mercedes-Benz USA, LLC
Components: STRUCTURE:BODY:ROOF AND PILLARS
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.
Consequence: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.
Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

2021-02-12

Manufacturer: Mercedes-Benz USA, LLC
Components: COMMUNICATION
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Consequence: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.

2021-02-05

Manufacturer: Mercedes-Benz USA, LLC
Components: ELECTRICAL SYSTEM:SOFTWARE
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Consequence: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

2018-11-27

Manufacturer: Mercedes-Benz USA, LLC.
Components: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe, C63 S AMG Coupe, C63 AMG, C63 S AMG, 2018-2019 GLC300 4Matic Coupe, GLC300, GLC63 AMG Coupe, GLC300 4Matic, GLC350e Plug-In Hybrid, GLC43 AMG Coupe, GLC43 AMG, GLC63 S AMG Coupe, and GLC63 AMG vehicles equipped with Audio 20 head units and automatic child seat recognition. The status of the passenger side air bag may not display correctly.
Consequence: If the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be unaware that the air bag will not deploy in the event of a crash, increasing their risk of injury.
Remedy: MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120009.

2018-10-01

Manufacturer: Mercedes-Benz USA, LLC.
Components: STRUCTURE:BODY:ROOF AND PILLARS
Summary: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2018 Mercedes-Benz GLC300 and GLC300 4Matic, 2018 GLC350e and GLC63 AMG 4Matic and 2017-2018 GLC43 AMG 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.
Consequence: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
Remedy: MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.

2018-09-11

Manufacturer: Mercedes-Benz USA, LLC.
Components: EXTERIOR LIGHTING:TURN SIGNAL
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 GLC300 4MATIC Coupe, GLC300, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG 4MATIC Coupe, and GLC43 AMG 4MATIC vehicles equipped with LED headlights. The front turn signals may have an incorrect color of pink or violet. 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."
Consequence: Turn signals that are the wrong color may not be as easily recognized by other drivers, increasing the risk of a crash.
Remedy: MBUSA will notify owners, and dealers will inspect the color of the turn signal, replacing the LED module as necessary, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

2018-03-29

Manufacturer: Mercedes-Benz USA, LLC.
Components: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
Summary: Mercedes-Benz USA LLC (MBUSA) is recalling certain 2018 AMG GT, AMG GT C, GLC43 AMG 4Matic, GLC300, GLC300 4Matic and GLC350e 4Matic vehicles. The housing for the driver side air bag inflator may have been made with defective steel. In the event of an air bag deployment, the defective steel may cause the inflator to improperly inflate the driver-side air bag and potentially rupture.
Consequence: In the event of a crash involving driver air bag deployment, an improperly inflated air bag and/or an inflator rupture with sharp metal fragments might result in serious injury or death to the driver or to occupants.
Remedy: MBUSA will notify owners, and dealers will replace the front driver air bag module, free of charge. The recall is expected to begin May 29, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

2018-03-15

Manufacturer: Mercedes-Benz USA, LLC.
Components: STRUCTURE:BODY:ROOF AND PILLARS
Summary: Mercedes Benz USA LLC (MBUSA) is recalling certain 2017-2018 GLC43 AMG, 2016-2018 GLC300 4Matic, 2016-2018 GLC300, 2018 GLC63 AMG 4Matic, and 2018 GLC350e 4Matic vehicles. The seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the occupants from being able to use the seat belts.
Consequence: If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
Remedy: MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge. The recall is expected to begin May 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.

2017-11-14

Manufacturer: Mercedes-Benz USA, LLC.
Components: VISIBILITY:SUN/MOON ROOF ASSEMBLY
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 GLC300, GLC300 4Matic, and GLC43 AMG vehicles. The fixed panoramic sun roof frontal and side plastic panels may have insufficient bonding, allowing the panels to separate during vehicle operation.
Consequence: If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.
Remedy: MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge. The recall is expected to begin December 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017110009.

2017-10-06

Manufacturer: Mercedes-Benz USA, LLC.
Components: AIR BAGS:FRONTAL
Summary: Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Coupe, C43 AMG, C63 AMG Coupe, C63S AMG Coupe, C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63S AMG Cabriolet, GLC300 4Matic Coupe, GLC43 AMG, GLC43 AMG Coupe, 2014 E350 Coupe, E350 4Matic Coupe, E350 Cabriolet, E400 Hybrid, 2015-2017 E400 Coupe, E400 4Matic Coupe, E400 Cabriolet, 2014-2017 E550 Coupe, E550 Cabriolet, B250e, 2014-2016 E250 BlueTec, E63 AMG 4Matic Wagon, 2012-2013 E350 BlueTec, 2012-2016 E350, E350 4Matic, 2015-2016 E400, E400 4Matic, 2012 E63 AMG, 2014-2015 E250 4Matic BlueTec, 2013-2016 E350 Wagon, 2017 GLC300d 4Matic, and 2018 GLC350e 4Matic. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
Consequence: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Remedy: MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.

Additional sources

More sources of information about 2018 Mercedes-benz Glc300 problems:

Thinking of buying 2018 GLC 300. Issues? - MBWorld.org Forums

https://mbworld.org/forums/glc-class-x253/807494-thinking-buying-2018-glc-300-issues.html

Feb 20, 2021 ... ~ 5000 - Took car in for two problems: Front wheels bouncing and even becoming airborne over broken pavement. A common problem reported on the ...

2018 Mercedes GLC Review, Problems, Reliability, Value, Life ...

https://www.vehiclehistory.com/report/mercedes-benz/glc-class/2018

Aug 4, 2023 ... A reduction in fuel pressure is the most widespread complaint from 2018 Mercedes-Benz GLC owners, showing up at around 35,000 miles. The fuel ...

What have been common problems in the GLC300 series ...

https://mbworld.org/forums/glc-class-x253/689376-what-have-been-common-problems-glc300-series.html

Nov 19, 2017 ... Brake squeal when reversing (applying brakes at very low speed). We will be taking it in for the 20,000 mile B Service likely in January. We ...

2018 Mercedes-Benz GLC Problems | Kelley Blue Book

https://www.kbb.com/mercedes-benz/glc/2018/common-problems/

How reliable is the 2018 Mercedes-Benz GLC? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 ...