In this Vehicle Platform Guide, you will find the top common issues of Mercedes-Benz GLE 450 (W167, 2020-2025) 3.0 L6 4MATIC G-TRONIC MILD HYBRID EV (MHEV), along with their fault codes, and the solutions from eEuroparts.com
The Mercedes-Benz GLE 450 (W167), produced from 2020 to 2025, is a luxury midsize SUV powered by a 3.0L inline-6 gasoline engine with mild hybrid technology (MHEV), delivering an impressive performance of 375 horsepower. It features a 9-speed automatic transmission (G-TRONIC), ensuring seamless and efficient gear shifts for an exceptional driving experience. Available in all-wheel drive (4MATIC) configuration, this model offers superior traction and stability across various terrains. The GLE 450 boasts premium features such as a spacious and refined interior, advanced MBUX infotainment system, cutting-edge safety technologies, and versatile seating options, providing comfort, innovation, and practicality for its occupants.
Specifications
Engine and Powertrain
Engine:
3.0L Turbocharged Inline-6 with Integrated Starter Generator (ISG)
Engine Code:
M256
Transmission:
9-Speed Automatic (9G-TRONIC)
Fuel Type:
Premium Gasoline
Horsepower:
~362 hp @ 5,500–6,100 rpm (+21 hp from EQ Boost)
Torque:
~369 lb-ft @ 1,600–4,500 rpm
Fuel Economy (EPA Estimates)
City/Highway Combined:
~ 20-25 MPG
Vehicle Weight
Curb Weight:
~ 4,991 lbs
Gross Weight:
~ 6,614 lbs
Configurations and Submodels
Body Styles:
SUV
Seating Capacity:
5 passengers
Drivetrain Options:
4MATIC All-Wheel Drive
Top Common Issues with Mercedes-Benz GLE 450 (W167, 2020-2025) 3.0 L6 4MATIC G-TRONIC MILD HYBRID EV (MHEV)
Brake Master Cylinder
1. Brake Master Cylinder Failure
Why it happens:
Brake Master Cylinder Failure typically occurs due to worn seals, contamination from dirty brake fluid, excessive heat during heavy braking, or insufficient maintenance leading to internal corrosion or leaks.
Symptoms:
A soft or spongy brake pedal, requiring more effort to stop the vehicle.
Brake fluid leaks, often visible near the master cylinder or under the vehicle.
Inconsistent braking performance, with brakes sometimes engaging and other times failing.
A sinking brake pedal that continues to drop when pressed.
C196F00 for Air Suspension System Malfunction and U0416 for Invalid Data Received from the Vehicle Dynamics Control Module.
Why it happens:
Rear Electronic Parking Brake Malfunction typically occurs due to faulty actuator motors, damaged wiring, contamination from debris, or insufficient maintenance leading to wear and tear.
Symptoms:
The vehicle rolling or moving when parked, especially on an incline.
A 'parking brake failure' warning message displayed on the dashboard.
Unusual noises or the absence of the typical sound when engaging the parking brake.
Difficulty in applying or releasing the parking brake.
C0035 for Left Front Wheel Speed Sensor Circuit, C0040 for Right Front Wheel Speed Sensor Circuit, and C0045 for Left Rear Wheel Speed Sensor Circuit issues.
Why it happens:
ABS Wheel Speed Sensor Failure typically occurs due to wear and tear, contamination from dirt or debris, or electrical issues such as damaged wiring or poor connections.
Symptoms:
Illuminated ABS warning light on the dashboard.
Pulsating brake pedal during braking, caused by incorrect speed readings.
Loss of anti-lock braking functionality, leading to reduced control during sudden stops.
Loss of traction or stability control, affecting handling in poor weather conditions.
Longer stopping distances and instability during braking.
Front Brake Rotor Warping typically occurs due to excessive heat generated during braking, uneven pressure from worn brake pads, or improper installation leading to surface deformation.
Symptoms:
Vibrations felt in the steering wheel during braking.
Pulsating or uneven braking, making it harder to stop smoothly.
Increased stopping distances due to reduced braking efficiency.
Squealing or grinding noises when applying the brakes.
Visible inconsistencies or discoloration on the rotor surface upon inspection.
Parts to Replace
The Genuine Mercedes-Benz Brake Rotor Part Number 167421090107 is designed to provide superior performance and safety for Mercedes-Benz vehicles.
Sport Package PART # 167421100107 This Genuine Mercedes-Benz Brake Rotor is designed, engineered, and tested for optimal performance for Mercedes-Benz vehicles.
C1525 indicates a level control system leak detected, while C1528 highlights a failure to build pressure within the system, both affecting suspension functionality.
Why it happens:
Air spring leakage typically occurs due to wear and tear, environmental factors like extreme temperatures, or damage to seals and connections over time.
Symptoms:
Sagging suspension, where one side or corner of the vehicle appears lower than the others.
Constant compressor operation, as it struggles to maintain pressure.
Rough ride quality, with noticeable bumps and vibrations.
Bottoming out, where the suspension fails to absorb impacts effectively.
Warning lights, indicating issues with the air suspension system.
Parts to Replace
OEM Air Suspension Spring – Rear PART # 1673200025 The Genuine Mercedes-Benz Air Suspension Spring is an essential component for Mercedes-Benz owners looking to ensure the ultimate driving experience.
Front Lower Control Arm Bushing Wear typically occurs due to prolonged exposure to vibrations, harsh driving conditions, or environmental factors like moisture and road salt, leading to rubber deterioration and eventual failure.
Symptoms:
Vibrations felt in the steering wheel, especially during acceleration.
Clunking or banging noises from the suspension area when driving over rough terrain.
Uneven tire wear due to misalignment caused by worn bushings.
Steering instability or wandering, making it harder to maintain a straight path.
Reduced braking performance and overall handling issues.
P0300 signals random or multiple cylinder misfires, P0301–P0304 specify misfires in cylinders 1–4, and P0365 indicates a camshaft position sensor “B” circuit issue, often linked to timing deviations.
Why it happens:
Spark plug failure within a day can occur due to severe engine overheating, incorrect spark plug gap, oil or coolant leaks fouling the plugs, or using incompatible or low-quality spark plugs.
Symptoms:
Engine misfires, causing rough or uneven performance.
Difficulty starting the engine, often requiring multiple attempts.
Reduced fuel efficiency, as incomplete combustion wastes fuel.
Loss of acceleration, leading to sluggish or delayed response.
Rough idling, with noticeable vibrations or sputtering.
Check Engine Light activation, signaling ignition system issues.
P0300 signals random cylinder misfires, P0301–P0304 specify misfires in cylinders 1–4, and P0351–P0354 indicate ignition coil circuit malfunctions.
Why it happens:
Ignition coil malfunctions typically occur due to overheating, electrical faults, or wear and tear affecting the coil's ability to generate a spark.
Symptoms:
Engine misfires, causing rough or uneven performance.
Difficulty starting the engine, especially in cold weather.
Reduced fuel efficiency, due to incomplete combustion.
Loss of power or acceleration, leading to sluggish driving.
Rough idling, with noticeable vibrations.
Check Engine Light activation, signaling ignition system issues.
Parts to Replace
Cylinder 1,2,6- 256906050005 It ensures reliable ignition performance and compatibility with models like the AMG GT 43, AMG GT 53, CLS450, E450, GLE450, and GLS450
The Genuine Mercedes-Benz direct ignition coil part number 256906060028 is a high-quality, reliable and durable replacement part for your Mercedes-Benz.
Steering Wheel Control Switch Malfunction (B1A85), Invalid Data from Steering Angle Sensor (U0428), Steering Control Module Internal Fault (C1103), and ECM Communication Loss (U0100), likely due to CAN-bus issues in steering electronics.
Why it happens:
Steering Wheel Malfunction typically occurs due to electrical issues, worn components, fluid leaks in power steering systems, or mechanical failures like jammed steering mechanisms.
Symptoms:
Stiff or hard-to-turn steering wheel, often due to power steering issues.
Unusual noises like whining or grinding when turning the wheel.
Loose or unresponsive steering, making it difficult to control the vehicle.
Vibrations felt in the steering wheel, especially during cornering.
Warning lights related to the steering system displayed on the dashboard.
Parts to Replace
Mercedes Steering Wheel 00046059029E38 Crafted specifically for Mercedes-Benz vehicles, the Genuine Mercedes-Benz Steering Wheel part number 00046059029E38 is the epitome of luxury and quality.
The Genuine Mercedes-Benz Steering Wheel part number 00046091029E38 is a premium quality replacement part designed specifically for Mercedes-Benz vehicles.
Steering Column Adjustment Motor Malfunction (B1E8800), Tilt Motor Signal Error or Jammed (B1E8A31), LIN Bus Communication Failure (U1137), and Implausible Signal from Adjustment Angle Sensor (B1E8C11)
Why it happens:
Steering Column Tilt Fault typically occurs due to wear and tear, electrical issues, or mechanical failures in the tilt mechanism, often exacerbated by lack of maintenance or impact damage.
Symptoms:
Restricted movement or stiffness when adjusting the steering column tilt.
High-pitched noises or squeaking sounds during tilt adjustments.
Failure of the tilt mechanism to lock securely in place.
Loose or wobbly steering wheel, affecting driving stability.
Difficulty in maintaining a comfortable steering position.
Steering Knuckle Issues typically arise from impacts like hitting curbs or potholes, exposure to road debris causing corrosion, or wear and tear on attachment points for bushings and ball joints.
Symptoms:
Uneven tire wear due to misalignment caused by a damaged knuckle.
Squealing or grinding noises when turning the steering wheel.
A shaking or vibrating steering wheel, especially during driving.
The vehicle pulled to one side instead of maintaining a straight path.
A crooked steering wheel even when driving straight.
Parts to Replace
Right 1673322600 is a genuine OEM component designed for precise fitment and durability.
Left PART # 1673322500 The Genuine Mercedes-Benz Steering Knuckle is a reliable replacement part designed specifically for your Mercedes-Benz vehicle.
P0010 signals an issue with the "A" camshaft actuator circuit in Bank 1, P0013 indicates a problem or open circuit with the "B" actuator, and P0014 highlights timing over-advanced or system performance issues in Bank 1.
Why it happens:
Camshaft adjuster magnet failure typically occurs due to wear and tear, oil contamination, or electrical faults affecting its functionality.
Symptoms:
Check Engine Light activation, often indicating timing or valve issues.
Rough idling, with noticeable vibrations or uneven engine performance.
Reduced fuel efficiency, due to improper valve timing.
Loss of power or acceleration, leading to sluggish driving.
Unusual engine noises, such as ticking or knocking sounds.
P0201–P0206 indicate injector circuit issues in cylinders 1–6, P0300 signals random misfires, P030X specifies cylinder-specific misfires (e.g., P0301 for cylinder 1), and P2BA0 highlights NOx exceedance due to injector failure.
Why it happens:
Engine fuel injector malfunctions typically occur due to clogging, overheating, electrical faults, or contamination affecting fuel delivery.
Symptoms:
Engine misfires, causing rough or uneven performance.
Difficulty starting, especially in cold conditions.
Reduced fuel efficiency, due to improper fuel delivery.
Loss of power or acceleration, leading to sluggish driving.
Rough idling, with noticeable vibrations.
Check Engine Light activation, signaling fuel system issues.
Parts to Replace
Bosch Mercedes Fuel Injector 62437 is a high-quality OEM component designed for precise fuel delivery and optimal engine performance. It is compatible with various Mercedes-Benz models
P0087 signals low fuel pressure, P0627 indicates an open fuel pump circuit, P2293 highlights regulator performance issues, and U0109 points to lost communication with the fuel pump module.
Why it happens:
Low-pressure fuel pump failure typically occurs due to wear and tear, contamination, overheating, or electrical faults disrupting fuel delivery.
Symptoms:
Difficulty starting the engine, often requiring multiple attempts.
Engine misfires, leading to rough or uneven performance.
Loss of power or acceleration, causing sluggish driving.
Stalling engine, especially during idling or under load.
Reduced fuel efficiency, due to improper fuel delivery.
Check Engine Light activation, indicating fuel system issues.
Parts to Replace
OEM Electric Fuel Pump PART # 1674704500 The Genuine Mercedes-Benz Fuel Pump and Strainer Set is a top-quality replacement part that is designed to provide excellent performance and reliability for your Mercedes-Benz vehicle.
HVAC Expansion Valve Failure typically occurs due to mechanical wear and tear, contamination in the system, incorrect valve sizing, or extreme temperature and pressure conditions.
Symptoms:
Frozen coils due to improper refrigerant flow.
AC blowing warm air instead of cool.
Fluctuations in refrigerant flow causing inconsistent cooling.
Continuous operation of the compressor without shutting off.
Unusual noises like clanging or squealing from the AC unit.
The vehicle reported three faults: B1B3F for Rear View Camera Circuit Malfunction, B127E for Surround View Camera System Error, and U0231 for Lost Communication with Park Assist Control Module.
Why it happens:
Park Assist Camera System Failure often occurs due to dirty or damaged sensors, electrical connection issues, or extreme weather conditions affecting functionality.
Symptoms:
The system fails to detect objects around the vehicle.
False alerts or warnings are triggered.
The camera feed may be distorted or unavailable.
The system does not activate or deactivate as expected when shifting gears
Parts to Replace
Front 0009055505 The Genuine Mercedes-Benz Park Assist Camera is the perfect solution for Mercedes-Benz owners who value safety and convenience while parking.
Rear 0009056206 The Genuine Mercedes-Benz Park Assist Camera is a top-quality car part that is designed to enhance your driving experience.
B10B7 indicating a Blower Motor Fault, B10B8 pointing to a Blower Motor Regulation Error, and B10BD highlighting a Blower Motor Open Circuit or Short to Ground.
Why it happens:
Blower Motor Failure in HVAC systems often occurs due to worn bearings, electrical issues, airflow restrictions, or overheating caused by clogged filters or blocked vents.
Symptoms:
Weak or no airflow from vents.
Strange noises like grinding, buzzing, or high-pitched sounds.
Circuit breaker frequently tripping.
Overheating, often accompanied by a burning smell from vents.
Higher-than-usual energy consumption.
Parts to Replace
OEM Blower Motor PART # 0999062502 The Genuine Mercedes-Benz HVAC Blower Motor Assembly is an essential component of the air conditioning unit of your Mercedes-Benz.
MBUX Infotainment Control Switch Malfunction often occurs due to software glitches, outdated firmware, or physical damage to the control unit or wiring.
Symptoms:
Unresponsive touchscreen or control buttons.
Freezing or lagging applications within the infotainment system.
Bluetooth connectivity issues, such as difficulty pairing devices.
Transmission Mount Wear typically occurs due to prolonged exposure to vibrations, oxidation of rubber components, or improper handling during engine or transmission removal.
Symptoms:
Clunking, banging, or bashing noises during acceleration, braking, or gear shifts.
Excessive vibrations felt throughout the vehicle.
Misalignment of the transmission, leading to poor shifting performance.
Drooping or sagging of the engine or transmission.
Cracked or worn bushings visible upon inspection.
Parts to Replace
Front 1672406300 is an OEM component designed to securely hold the transmission in place, reducing vibrations and ensuring smooth operation.
2. Transmission Fluid Degradation or Contamination
Fault Codes:
P0711 for Transmission Fluid Temperature Sensor Performance and codes P0729–P0736 indicating various Incorrect Gear Ratio issues.
Why it happens:
Transmission Fluid Degradation or Contamination typically occurs due to overheating, accumulation of debris or metal shavings, and prolonged use without regular maintenance or fluid replacement.
Symptoms:
Discolored fluid, appearing dark brown or black instead of bright red.
Burnt smell, indicating overheating and fluid breakdown.
Slipping gears, with erratic or delayed gear shifts.
Rough or delayed shifting, causing jerking motions during gear changes.
Unusual noises, such as whining or grinding from the transmission.
Parts to Replace
Auto Trans Fluid (MULTI ATF) (1 Liter) 105784 The Motul Automatic Transmission Fluid is the perfect solution for Audi, BMW, Fiat, and Jaguar owners who want to improve the performance of their vehicles.
Front/Rear Window Regulator Motor Malfunctions (B110B31, B110C31), Communication Loss with Door Control Module (U0257), and Unfinished Window Motor Calibration (B110D54)
Why it happens:
Window Motor Malfunction typically occurs due to wear and tear, electrical issues like faulty wiring, or environmental factors such as moisture or debris causing damage.
Symptoms:
Slow or erratic window movement, taking longer to open or close.
Clicking or grinding noises from the door when operating the window.
The window is stuck in one position, either fully open or closed.
Intermittent functionality, where the window works sporadically.
Burning smell or overheating, indicating electrical issues.
Parts to Replace
The Genuine Mercedes-Benz Power Window Motor part number 000906291064 is the perfect replacement for your Mercedes-Benz’s faulty power window motor.
The Genuine Mercedes-Benz Power Window Motor part number 000906281064 is the perfect replacement part for your Mercedes-Benz.
eEuroparts offers a wide selection of OEM and well-reviewed aftermarket parts chosen for compatibility with Mercedes-Benz vehicles. Parts are listed with fitment details and trusted brand options to help you find components that are appropriate for routine maintenance and common repairs.
Exceptional Delivery, Unmatched Logistics
We know that every moment counts when your car is out of commission. That’s why we focus on getting your parts to you as quickly as possible. Our efficient logistics network and fast shipping mean minimal downtime for your vehicle.
Competitive Prices, Superior Value
Our catalog includes everything from timing chains, camshaft adjusters, and PCV valves to wheel bearings, control arms, and fuel pumps, sourced to meet or exceed OE standards. Whether you prefer genuine Mercedes-Benz parts or trusted aftermarket brands, we offer top-tier quality at better-than-dealer pricing.
Trusted Excellence
Our catalog includes parts from top-tier brands like Bosch, INA, ZF, Pierburg, Elring, Lemforder, and Rein. Whether you're resolving transmission issues, electrical faults, or suspension wear, our parts meet or exceed OEM standards for fit, durability, and performance.
Conclusion
Whether you’re replacing worn items or addressing a specific fault, use these listings to identify likely parts and plan repairs. For vehicle-specific advice, consult a trusted technician to confirm fitment and service steps before installation.
Frequently Asked Questions
What engine does the Mercedes-Benz GLE 450 have?⌄
The GLE 450 is powered by a 3.0-liter inline-six turbocharged engine paired with a mild-hybrid system. It delivers smooth acceleration, responsive power, and improved fuel efficiency for daily driving or long highway trips.
How many people can the Mercedes-Benz GLE 450 seat?⌄
The GLE 450 offers comfortable seating for five passengers as standard. Some trims include an optional third row, allowing space for up to seven passengers while maintaining luxury and comfort.
Is the Mercedes-Benz GLE 450 all-wheel drive? ⌄
Yes, the GLE 450 comes standard with Mercedes-Benz’s 4MATIC all-wheel-drive system. It provides excellent traction, handling, and stability on various road conditions, including rain, snow, or uneven terrain.
What are the main safety features in the GLE 450?⌄
This model includes advanced safety features such as Active Brake Assist, Blind Spot Assist, adaptive cruise control, lane-keeping technology, and a full suite of airbags designed to keep all occupants protected.
How reliable is the Mercedes-Benz GLE 450 for long-term ownership? ⌄
The GLE 450 is known for its refined build quality, advanced engineering, and reliability when maintained properly. Regular servicing and genuine parts help ensure its performance and longevity remain top-notch over time.
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