2018 Mercedes-Benz Gls450 4maticMercedes-benz Gls450 4matic 2018

Vehicle Details: Recalls, Fuel Economy, Emissions, Consumer Complaints, Service Bulletins

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Below you will find all available information on the 2018 Mercedes-Benz Gls450 4matic.
The vehicle is described as a 4-Wheel Drive Standard Sport Utility Vehicle 4WD .

ManufacturerKnown WMI(s)Fuel Type
Mercedes-BenzPremium
City MPGHighway MPGCO2 emissions
17 MPG22 MPG477 g/mile
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Frequently Asked Questions
  • What is the MPG of a 2018 Mercedes-Benz Gls450 4matic?
     - The 2018 Mercedes-Benz Gls450 4matic has an EPA estimated city efficiency of 17 MPG and an estimated highway efficiency of 22 MPG.
  • What is the fuse box diagram for the 2018 Mercedes-Benz Gls450 4matic?
     - Fuse box diagrams for the 2018 Mercedes-Benz Gls450 4matic can be found here
  • What is the annual fuel cost for the 2018 Mercedes-Benz Gls450 4matic?
     - EPA estimated annual fuel cost for the 2018 Mercedes-Benz Gls450 4matic is $3500.
  • Are there recalls for the 2018 Mercedes-Benz Gls450 4matic?
     - There are 3 recall(s) for the 2018 Mercedes-Benz Gls450 4matic, additional information is below.
NHTSA Mandated Recalls
  • Recall 217051 [USA]: 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.

  • Recall 166267 [USA]: Failure of the ecall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

  • Recall 130093 [USA]: Reduced braking performance can increase the risk of a crash.

To ensure accuracy and for your safety, it is recommended to do a free VIN recall check here or here [USA] - UK - Canada.

NHTSA Submitted Mechanical & Emissions Details
  • Automatic 9-spd 4-Wheel Drive Gls450 4matic

    Description Data
    Engine cylinders6
    Engine displacement in liters3.0
    Engine descriptor; see fueleconomy.gov detailsSIDI
    TransmissionAutomatic 9-spd
    You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline-7750
    Description Data
    Annual petroleum consumption in barrels for fuel type 115.6584
    City mpg for fuel type 1,17
    Unrounded city mpg for fuel type 1,16.5545
    Tailpipe co2 in grams/mile for fuel type 1477
    Combined mpg for fuel type 1,19
    Unrounded combined mpg for fuel type 1,18.5799
    Engine cylinders6
    Engine displacement in liters3.0
    Drive axle type4-Wheel Drive
    EPA model type index421
    Engine descriptor; see fueleconomy.gov detailsSIDI
    EPA fuel economy score (-1 = not available)3
    Annual fuel cost for fuel type 1 ($)3500
    Fuel type with fuel type 1 and fuel type 2 (if applicable)Premium
    Fuel type 1. for single fuel vehicles, this will be the only fuel. for dual fuel vehicles, this will be the conventional fuel.Premium Gasoline
    EPA ghg score (-1 = not available)3
    Highway mpg for fuel type 1,22
    Unrounded highway mpg for fuel type 1,21.8468
    Vehicle record id39104
    Model name (carline)Gls450 4matic
    Has my mpg data; see yourmpgvehicle and yourmpgdrivervehicleY
    If true, this vehicle operates on a blend of gasoline and electricity in charge depleting modefalse
    TransmissionAutomatic 9-spd
    Unadjusted city mpg for fuel type 120.6
    Unadjusted highway mpg for fuel type 130.4
    EPA vehicle size classStandard Sport Utility Vehicle 4WD
    You save/spend over 5 years compared to an average car ($). savings are positive; a greater amount spent yields a negative number. for dual fuel vehicles, this is the cost savings for gasoline-7750
    If t, this vehicle is turbochargedT
    3-character manufacturer codeMBX
    Date the vehicle record was created (iso 8601 format)Wed Jul 26 00:00:00 EDT 2017
    Date the vehicle record was last modified (iso 8601 format)Mon Feb 12 00:00:00 EST 2018
    Vehicle has start-stop technology (y, n, or blank for older vehicles)Y
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • NCU-OTAcommNoMMC - ELECTRICAL SYSTEM: Mercedes-benz ag (??A?A?Mbag??A?A?), the manufacturer of mercedes-benz, has determined that in certain my 2017-2021 c-class, cla, cls, e-class, glc, gle, gls, amg gt, s-class, sl, and slc (205, 117, 257, 213/238, 253, 166/292, 190/290,217/2
  • LI91.18-P-077075 - SEATS: Crease formation on genuine leather seat covers in vehicles with low mileage ??A?A? Objects left on the seats for extended periods of time (pressure marks). ??A?A? Objects wedged between the seat backrest and seat cushion (e.G. Seat bel
  • LI82.85-P-076800 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL: The "sos nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in particular after the vehicle has been non-operational for an ext
  • NCU-HU SW Update - ELECTRICAL SYSTEM:SOFTWARE: Mercedes-benz ag (a??Mbaga??), the manufacturer of mercedes-benz vehicles, has determined that on certain my 2018-2023 c-class, eqe, eqe suv, eqs, eqs suv, glc, gle and s-class (206, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles,
  • LI09.00-P-074093 - ENGINE AND ENGINE COOLING: "my15+ m278 and m157 equipped vehicles with fault code ""P023400 a?? Boost pressure is too high"" "
  • LI6320P073629 - UNKNOWN OR OTHER: Model series 167 noise on b/c/d pillars.
  • LI8330P0646722 - ELECTRICAL SYSTEM: Engine fan runs continuously, a/c inoperable or, engine light illuminates sporadically.
  • LI8330P0646721 - ELECTRICAL SYSTEM: Engine fan runs continuously, a/c inoperable or, engine light illuminates sporadically.
  • LI1830P0597123 - UNKNOWN OR OTHER: Gasket may settle causing a slight oil leak.
  • LI0702P0547173 - ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL: Ticking or pulsing noise from high-pressure pump and/or fuel injectors.
  • LI08.00-P-072749 - ELECTRICAL SYSTEM: For plug in hybrid and electric variants: complaints about the electric range
  • LI77.21-P-072113 - VISIBILITY:SUN/MOON ROOF ASSEMBLY: Creaking noise from fixed glass section of panoramic roof in area of rear passenger compartment grab handles
  • SC-2020090003 - FUEL SYSTEM, GASOLINE: Replace tank filler recess and information labels
  • P-SC-2020020001 - EQUIPMENT:OTHER:LABELS: Information label on tire sealant
  • LI54.30-P-070902 - ELECTRICAL SYSTEM: Event memory in the instrument cluster mileage readings intermittently inaccurate
  • LI82.10-P-070615 - EXTERIOR LIGHTING:HEADLIGHTS: 167 gls headlight low beam fault
  • LI42.45-P-070437 - ELECTRICAL SYSTEM: G-class facelift 2018: fault message "abs, esp inoperative, see operator's manual"
  • LI01.30-P-058630 - FUEL SYSTEM, GASOLINE: Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: oil passage plug hole on left beside mechanical vacuum pump. 2. Right cylinder head: oil passage plug hole below high-press
  • LI72 40-P-069934 - VISIBILITY: Outside mirror folding out/in nonfunctional
  • SC-2019040013 - SUSPENSION:FRONT:SPRINGS:TORSION BAR: Check right and left torsion bar linkage, replace if necessary
  • SC-2018100005 - SUSPENSION: Check front axle carrier and replace if necessary
  • LI54 10-P-066344 - ELECTRICAL SYSTEM:12V/24V/48V BATTERY: Vehicle does not start, battery discharged.
  • LI32 34-P-056198 - ELECTRICAL SYSTEM: Fault message "airmatic" or "active curve system" in instrument cluster
  • LI82 20-P-067107 - EQUIPMENT ADAPTIVE/MOBILITY: Led light on thermal cup holder in rear passenger compartment of br 222 flickers
  • LI82 20-P-067044 - INTERIOR LIGHTING: Partial operation of interior ambient lighting
  • SC-2018120003 - EQUIPMENT: Update digital owner?S manual and add printed manual
Most Recent Consumer Complaints and Accidents
CrashFireTowedInjuredDeathsFailure
Date
NoNoN NoneNone20210106

Part of my panoramic sunroof spontaneously shattered while sitting at a stoplight. There were no cars or trees around at the time. Nothing touched the car when it happened.

NoNoN NoneNone20210105

Part of my panoramic sunroof spontaneously shattered while sitting at a stoplight. There were no cars or trees around at the time. Nothing touched the car when it happened.

CrashNoY NoneNone20200824

I was already 90% in parking line which is handicap's. About to stop right front of handicap sign, suddenly vehicle start moving forward while my foot was in brake so i push little hard to complete stop but vehicle suddenly accelerate forward smashing into the building glass entry wall and door. I am so certain that my foot was in brake. I want to know that is there any way someone call or visit where body shop to inspect the vehicle so i can ask manufacture to replace my vehicle.

CrashNoY NoneNone20200823

I was already 90% in parking line which is handicap's. About to stop right front of handicap sign, suddenly vehicle start moving forward while my foot was in brake so i push little hard to complete stop but vehicle suddenly accelerate forward smashing into the building glass entry wall and door. I am so certain that my foot was in brake. I want to know that is there any way someone call or visit where body shop to inspect the vehicle so i can ask manufacture to replace my vehicle.

NoNoN NoneNone20191217

I took the car to the service 3 times in 4 months. There are many problems with the car. The first problem was that the left rear shock was leaking which made a squeaking noise when driving. There was also an odor problem with the car that was coming from the ventilations. These two problems were fixed. I took the car another time. There was another problem with the eco start/stop function and a problem with the car trunk only closing halfway. The eco start/stop function was fixed but they said that they didn't detect a problem with the trunk. The third time i took it to the service i provided a video for the trunk only closing halfway and i also had another problem with the blindspot detector. My wife was almost gong to get into an accident as a result of the blind spot not showing up when she was moving to the left lane. I took a video of the blind spot detector not working properly. They were able to fix the car trunk and said that the blind spot detector was fixed, but i have no faith in the company because i have had many problems with the car. This is a new car that was made in 2018, and it already has had many problems with it in the past months. We called the mercedes manufacturer in the us about these problems. They said that they will get back to me but have not said anything. I tried calling them back but they wouldn't answer me. We took the car from a mercedes car dealership. The attachments are copies of the summary of the three services that i went to. This is a new car and it already has this many problems.

NoNoN NoneNone20191216

I took the car to the service 3 times in 4 months. There are many problems with the car. The first problem was that the left rear shock was leaking which made a squeaking noise when driving. There was also an odor problem with the car that was coming from the ventilations. These two problems were fixed. I took the car another time. There was another problem with the eco start/stop function and a problem with the car trunk only closing halfway. The eco start/stop function was fixed but they said that they didn't detect a problem with the trunk. The third time i took it to the service i provided a video for the trunk only closing halfway and i also had another problem with the blindspot detector. My wife was almost gong to get into an accident as a result of the blind spot not showing up when she was moving to the left lane. I took a video of the blind spot detector not working properly. They were able to fix the car trunk and said that the blind spot detector was fixed, but i have no faith in the company because i have had many problems with the car. This is a new car that was made in 2018, and it already has had many problems with it in the past months. We called the mercedes manufacturer in the us about these problems. They said that they will get back to me but have not said anything. I tried calling them back but they wouldn't answer me. We took the car from a mercedes car dealership. The attachments are copies of the summary of the three services that i went to. This is a new car and it already has this many problems.

NoNoN NoneNone20181101

I found out that only on 2018 mercedes gls models, the car lets you turn off the engine without a warning and puts the car in neutral automatically. It does not put the car to 'p' or gives you a warning saying you need to put the gear to 'p' to stop the car. I have never seen something like this in any car. Basically you brake and stop then turn off the engine with the button. The car shifts to 'n' instead of 'p' and if you release the brake the car slides since it is in neutral. Even older cars do not let you turn off the engine before shifting to p ar never cars just automatically shifts to p when you turn off the engine. Since as drivers we are not used to this, i can say that i had the car slide at least 5 times this week -fter leasing this vehicle. I called mercedes and they acknowledge the issue but they say this is how this particular car was built. It is very dangerous and a never before seen issue with any cars i have driven over 25 years i have been a driver. The operating manual also states that the car shifts to n when turned off.

NoFireY NoneNone20180801

Tl* the contact owns a 2018 mercedes-benz gls450. While driving 70 mph, the vehicle lost power and all the warning indicators on the instrument panel illuminated. Also, when the brake pedal was depressed, the vehicle failed to stop. The contact stated that the vehicle finally stopped upon reaching a hill. The vehicle failed to restart and was towed to fletcher jones motorcars (3300 jamboree rd, newport beach, ca 92660, (949) 718-3000). The dealer diagnosed that the wiring harness melted. The vehicle was not repaired. The manufacturer was notified of the failure and a complaint was opened. The failure mileage was 200.

NoNoN NoneNone20180524

My gls-450 has the 'lighting package' with active led headlamps including 'corner-illuminating front headlamps, actiated (activated spelled wrong) by the steering wheel or turn-signal use, brighten your way into driveways and garages.' as i live in a very dark rural area, i ordered these lights. I soon discovered that the leds, while superior for forward lighting,provide little or no side lighting for the driver to see when turning onto divided highways with dark islands, etc. This is because the leds are very straight shooting forward. But this led lighting package was supposed to have "cornering lights" actuated by turn signal or low speed while turning which solves this problem. I had already experienced the advantage of these 'cornering lights' on my wife's 2014 mercedes-benz glk-250. But my vehicle is missing the 'cornering light' feature. In checking with the dealer and mbusa, they say this is because nhtsa will not allow "cornering lights" on the gls-450 because of the height of the headlight unit above the ground. Could this be true? Lack of cornering lights in the active led headlights makes cornering in this vehicle unsafe at night, and the lamp height rule, if there is one, should be modified and recall issued for gls 450 vehicles with defective active led headlights missing the cornering light feature they advertise as included (see mbusa.Com build your gls450, lighting packages). Please take action on this and let me know your decision. Thank you!

Read and Submit Vehicle Complaints -- 9+ complaints filed
Common OBD-II Error Codes
  • B129C [1] B129C
  • P0234 [1] Engine Turbocharger/Supercharger Overboost Condition

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