Mercedes-Benz GLK 350 3.5L V6 (2012-2015) Platform Guide

Symptoms:

• Vibrations: You may feel vibrations in the brake pedal or steering wheel when applying the brakes.
• Pulsating Brake Pedal: The brake pedal may pulsate or feel uneven when pressed.
• Squeaking or Grinding Noises: Unusual noises such as squeaking or grinding when braking.
• Reduced Braking Performance: Noticeable decrease in braking efficiency and stopping power.
• Uneven Brake Pad Wear: Uneven wear on the brake pads due to the warped rotors.

Parts to Replace

• Mercedes Disc Brake Rotor – Front (330mm) This Genuine Mercedes-Benz Brake rotor part number 204421000007 is a high-quality and reliable component for your Mercedes-Benz vehicle.
• Mercedes Disc Brake Rotor – Rear (300mm) The Genuine Mercedes-Benz Brake rotor part number 423091207 is a high quality, reliable replacement part designed to fit the exact specifications of your Mercedes-Benz vehicle.

Brands

• Genuine Mercedes-Benz

Why it happens:

Symptoms:

• ABS Warning Light: The ABS warning light may illuminate on the dashboard.
• Unusual Braking Behavior: The ABS system may not function correctly, leading to unusual braking behavior, such as the brakes locking up during hard braking.
• Loss of Traction Control: The traction control system may be disabled, resulting in reduced stability and control, especially on slippery surfaces.
• Inconsistent Speedometer Readings: The speedometer may display incorrect or inconsistent readings.
• Increased Stopping Distance: The vehicle may take longer to come to a complete stop due to the malfunctioning ABS system.

Parts to Replace

• ABS Wheel Speed Sensor – Rear 0986594547 One of the key benefits of this Bosch sensor is that it provides accurate readings of the wheel’s speed to the vehicle’s ABS system. This information is critical to ensuring that the brakes are applied in a timely and effective manner.
• Mercedes ABS Wheel Speed Sensor – Rear 2045401317 This sensor is crucial for maintaining the integrity of the anti-lock braking system (ABS) by accurately measuring the wheel speed and providing essential data to the ABS control module.
• Mercedes ABS Sensor ATE 360417 is specifically designed for various Mercedes-Benz models, including GLK350, C300, and C350.

Brands

• ATE
• Genuine Mercedes-Benz

Symptoms:

• Spongy Brake Pedal: The brake pedal may feel soft or spongy when pressed.
• Brake Fluid Leaks: Visible brake fluid leaks around the master cylinder area.
• Reduced Braking Performance: Noticeable decrease in braking efficiency and stopping power.
• Brake Warning Light: The brake warning light may illuminate on the dashboard.
• Brake Pedal Sinks: The brake pedal may sink to the floor when pressed and held.

Parts to Replace

• Mercedes Brake Master Cylinder 2044300501 This master cylinder is crucial for maintaining the integrity of the braking system by creating the hydraulic pressure needed to operate the brakes effectively.
• Genuine Mercedes-Benz Brake Master Cylinder Reservoir Cap 202430001464 is a crucial component for maintaining the integrity of your vehicle's braking system. It seals the brake fluid reservoir, preventing contaminants and moisture from entering, which could compromise braking performance.

Brands

• Genuine Mercedes-Benz

Why it happens:

Some common causes of faulty suspension control arm are poor quality parts, impact damage, corrosion, improper installation, or wear and tear.

Symptoms:

• Unusual Noises: Clunking or knocking noises when driving over bumps or rough roads.
• Poor Handling: The vehicle may feel unstable or have poor handling, especially during turns.
• Uneven Tire Wear: Uneven or excessive tire wear due to misalignment caused by the faulty control arm.
• Vibrations: Vibrations in the steering wheel or vehicle body, especially at higher speeds.
• Steering Issues: Difficulty in steering or the vehicle pulling to one side.

Parts to Replace

• Mercedes Torque Arm – Rear 2053506303 is a high-quality replacement part that is specifically designed for use in Mercedes-Benz vehicles. This suspension control arm is compatible with part number 2043502706, ensuring a seamless fit for your vehicle.
• Mercedes Suspension Control Arm Lemfoerder 3821601 is made from durable and high-quality materials to withstand the demands of the suspension system environment.
• Mercedes-Benz Suspension Control Arm Kit – Front (Upper and Lower Control Arms) (Inner and Outer Steering Tie Rod Ends) (4879937) is a comprehensive solution for restoring or upgrading your vehicle's front suspension system.

Brands

• Genuine Mercedes-Benz
• Lemforder
• Bison Performance

Symptoms:

• Unusual Noises: Clunking or knocking noises when driving over bumps or rough roads.
• Poor Handling: The vehicle may feel unstable or have poor handling, especially during turns.
• Uneven Tire Wear: Uneven or excessive tire wear due to misalignment caused by the faulty suspension knuckle.
• Vibrations: Vibrations in the steering wheel or vehicle body, especially at higher speeds.
• Steering Issues: Difficulty in steering or the vehicle pulling to one side.

Parts to Replace

• Mercedes Steering Knuckle – Rear Passenger Right 2133503205 One of the main benefits of this Genuine Mercedes-Benz Suspension Knuckle is its superior strength and rigidity. It is engineered to withstand the harsh conditions of the road, providing optimal stability and handling even on rough terrain.
• Mercedes Suspension Knuckle – Rear Driver Left 2133503105 This steering knuckle is compatible with part number 2133503105, providing a quick and easy replacement option for your damaged or worn-out steering knuckle.

Brands

• Genuine Mercedes-Benz

Symptoms:

• Unusual Noises: Clunking or rattling noises when driving over bumps or rough roads.
• Poor Handling: The vehicle may feel less stable, especially during turns or when driving on uneven surfaces.
• Excessive Body Roll: Increased body roll or sway when cornering, indicating reduced stability.
• Uneven Tire Wear: Uneven or excessive tire wear due to misalignment caused by stabilizer bar issues.
• Loose Steering: The steering may feel loose or less responsive.

Parts to Replace

• Mercedes Sway Bar – Front (Sport) (27mm) 2043232065 This sway bar, also known as an anti-roll bar, is crucial for maintaining the integrity of the suspension system by reducing body roll during cornering and improving overall vehicle control.
• Mercedes Sway Bar End Link – Front Driver Side 204320078964 is a genuine Mercedes-Benz component designed to connect the sway bar (stabilizer bar) to the suspension.
• Mercedes Sway Bar End Link – Front Passenger Side 2043202289 This part helps reduce body roll during cornering and improves overall vehicle stability. It is compatible with various Mercedes-Benz models, including the E-Class (E400, E350), C-Class (C300, C350), and GLK-Class (GLK250, GLK350), among others.

Brands

• Genuine Mercedes-Benz

Why it happens:

Some common causes of hatch lift support problem are  poor quality parts, physical damage, corrosion, improper installation, wear and tear, or gas leakage.

Symptoms:

• Difficulty Opening or Closing: The hatch may be hard to open or close, requiring more effort than usual.
• Hatch Not Staying Open: The hatch may not stay open on its own and may close unexpectedly.
• Unusual Noises: You may hear creaking or popping noises when opening or closing the hatch.
• Slow Operation: The hatch may open or close more slowly than normal.
• Visible Wear or Damage: The lift supports may show signs of wear, rust, or damage.

Parts to Replace

• Mercedes Hatch Lift Support 2049802864 The hatch lift support is a gas spring located on one or both sides of the vehicle trunk. This gas spring eases the lift and supports the weight of the hatch in order to gain access to the trunk.
• Mercedes Hatch Lift Support 2049802664 This lift support is crucial for maintaining the functionality of the hatch or liftgate by providing the necessary force to open and hold it in place.

Brands

• Genuine Mercedes-Benz

Symptoms:

• Rough idle and engine hesitation – The engine may shake or feel uneven, especially at stoplights.
• Hard starting – A delayed or labored start due to weak spark delivery.
• Reduced acceleration – Noticeable loss of power under load or when merging onto highways.
• Check Engine Light (CEL) – The MIL may illuminate with misfire or coil circuit codes (P0300–P0356).
• Poor fuel economy – Unburned fuel leads to lower efficiency and increased fuel consumption.
• Occasional backfiring or sputtering – Caused by misfires in one or more cylinders.

Parts to Replace

• Ignition Coil –NGK 4202320: High-quality OEM replacement coil ensuring precise spark delivery and long-term reliability.
• Spark Plug – Denso 3427 (Iridium IX): Engineered for optimal ignition performance, offering smooth starts and improved combustion efficiency.

Brands

• Denso
• NGK 

Symptoms:

• Unusual Noises: Clunking or knocking sounds when turning the steering wheel.
• Steering Wheel Vibration: Vibration or shaking of the steering wheel, especially at higher speeds.
• Uneven Tire Wear: Tires wearing unevenly, indicating misalignment.
• Loose Steering: The steering wheel feels loose or has excessive play.
• Vehicle Pulling: The vehicle pulls to one side while driving, indicating alignment issues.
• Difficulty Steering: Increased effort required to turn the steering wheel.

Parts to Replace

• Mercedes-Benz Steering Tie Rod End Kit – Front (Inner and Outer) (Forged Steel) 4765240 is a robust and durable solution for maintaining precise steering control.This kit is compatible with various Mercedes-Benz models, such as the C-Class, E-Class, and GLK-Class, depending on the specific part number.
• Mercedes-Benz Steering Tie Rod End Kit – Front (Inner and Outer) (Forged Steel) 4760423 The Mercedes-Benz Steering Tie Rod End Kit – Front (Inner and Outer) made of forged steel is a durable and high-performance solution for maintaining precise steering control.

Brands

• Bison Performance

Symptoms:

• Unusual Noises: Clunking or knocking sounds when turning the steering wheel.
• Steering Wheel Vibration: Vibration or shaking of the steering wheel, especially at higher speeds.
• Uneven Tire Wear: Tires wearing unevenly, indicating misalignment.
• Loose Steering: The steering wheel feels loose or has excessive play.
• Vehicle Pulling: The vehicle pulls to one side while driving, indicating alignment issues.
• Difficulty Steering: Increased effort required to turn the steering wheel.

Parts to Replace

• Mercedes Steering Knuckle – Front Driver Left 2043322901 This high-quality steering knuckle is specifically designed to fit perfectly in your vehicle, ensuring optimal performance.
• Mercedes Steering Knuckle – Front Passenger Right 2043323001 This high-quality steering knuckle is made of premium-grade materials that are designed to withstand wear and tear, ensuring long-lasting performance of your vehicle.

Brands

• Genuine Mercedes-Benz

Symptoms:

• Fluid Leaks: Power steering fluid leaking from the bellows.
• Unusual Noises: Clunking or knocking sounds when turning the steering wheel.
• Steering Wheel Vibration: Vibration or shaking of the steering wheel, especially at higher speeds.
• Difficulty Steering: Increased effort required to turn the steering wheel.
• Uneven Tire Wear: Tires wearing unevenly, indicating misalignment.
• Visible Damage: Cracks or tears in the bellows.

Parts to Replace

• Mercedes-Benz Rack and Pinion Bellows Lemforder 37567 01 is a high-quality replacement part designed to protect the steering rack and pinion assembly from dirt, debris, and moisture.
• Mercedes Tie Rod Boot – Front Inner 2044630396 This rack and pinion bellows is designed to meet the exact specifications of your Mercedes-Benz, ensuring a perfect fit and optimal performance. The bellows is made from durable materials that can withstand harsh weather conditions and daily wear and tear.

Brands

• Lemforder
• Genuine Mercedes-Benz

Symptoms:

• Difficulty Steering: Increased effort required to turn the steering wheel, especially at low speeds.
• Whining Noise: A high-pitched whining or groaning noise when turning the steering wheel.
• Stiff Steering Wheel: The steering wheel feels stiff and unresponsive.
• Fluid Leaks: Power steering fluid leaking from the pump or hoses.
• Low Power Steering Fluid: Frequent need to top up power steering fluid.
• Burning Smell: A burning smell coming from the engine bay, indicating overheating of the power steering pump.
• Steering Wheel Vibration: Vibration or shaking of the steering wheel while driving.

Parts to Replace

• Mercedes Power Steering Pump – Bosch KS01000703 is a high-quality OEM component designed to provide hydraulic assistance for steering. It ensures smooth and precise steering by delivering pressurized fluid to the steering rack or gearbox.

Brands

• Bosch

Why it happens:

Some common causes of camshaft plug leaks are wear and tear, improper installation, material degradation, pressure build-up, or manufacturing defects.

Symptoms:

• Oil Leaks: Visible oil leaks around the camshaft area.
• Burning Oil Smell: A burning oil smell coming from the engine bay.
• Low Oil Levels: Frequent need to top up engine oil.
• Engine Misfires: Engine misfires or rough idling due to oil contamination.
• Check Engine Light: The check engine light may illuminate due to oil leaks affecting engine performance.

Parts to Replace

• Mercedes Engine Expansion Plug 0009986590 It is manufactured to meet or exceed OEM specifications, ensuring a precise fit and reliable performance.

Brands

• Genuine Mercedes-Benz

Symptoms:

• Check Engine Light: The check engine light may illuminate due to issues with the camshaft adjuster sensor wheel.
• Engine Misfires: Engine misfires or rough idling can occur due to improper camshaft timing.
• Reduced Engine Performance: Noticeable decrease in engine performance and power.
• Poor Fuel Efficiency: Lowered fuel efficiency due to improper valve timing.
• Unusual Engine Noises: Ticking or rattling noises from the engine bay.

Parts to Replace

• Genuine Mercedes-Benz Engine Camshaft Adjuster Sensor Wheel – Exhaust (Driver Side) 2720510739 is a high-quality, original equipment manufacturer (OEM) part designed to ensure optimal performance and reliability for your Mercedes-Benz vehicle.

Brands

• Genuine Mercedes-Benz

Why it happens:

Some common causes of engine crankshaft seal leak are wear and tear, improper installation, material degradation, pressure build-up, or manufacturing defects.

Symptoms:

• Oil Leaks: Visible oil leaks around the front of the engine.
• Burning Oil Smell: A burning oil smell coming from the engine bay.
• Low Oil Levels: Frequent need to top up engine oil.
• Engine Misfires: Engine misfires or rough idling due to oil contamination.
• Check Engine Light: The check engine light may illuminate due to oil leaks affecting engine performance.
• Unusual Engine Noises: Ticking or rattling noises from the engine bay.

Parts to Replace

• Engine Crankshaft Seal – Front (With Mounting Sleeve) The Victor Reinz Engine Crankshaft Seal part number 81-26248-10 is an essential component for Mercedes-Benz and Volkswagen vehicles. This high-quality seal is compatible with other part numbers such as 014 997 70 46, 021 997 18 47, 023 997 84 47, and 7B0 103 085.
• Mercedes Engine Crankshaft Seal – Rear 2720500003 The Genuine Mercedes-Benz Engine Crankshaft Seal part number 2720500003 is a high-quality replacement part designed to fit perfectly in your Mercedes-Benz engine.

Brands

• Genuine Mercedes-Benz
• Victor Reinz

Why it happens:

An intake manifold issue typically occurs due to heat stress, faulty gaskets, or vacuum leaks, which disrupt the air-fuel mixture and affect engine performance.

Symptoms:

• Rough idle: The engine may struggle to maintain a steady RPM.
• Engine misfires: Disrupted air-fuel mixture can lead to incomplete combustion.
• Decreased performance: Reduced acceleration and overall power.
• Increased fuel consumption: Inefficient combustion wastes fuel.
• Check engine light: Often triggered by air-fuel imbalances or vacuum leaks.
• Coolant leaks: In some cases, coolant may leak into the engine.

Parts to Replace

• Pierburg 7.00246.33.0 Engine Intake Manifold part number 7.00246.33.0 is a perfect replacement for your worn out or damaged intake manifold.
• OEM 5141577 Crafted with precision and engineered to perfection, the OEM Engine Intake Manifold part number 5141577 is a high-quality replacement part for your Mercedes-Benz. Designed to meet the OEM standards, this engine intake manifold is a reliable solution to ensure the smooth functioning of your car’s engine.

Brands

• Pierburg
• OEM

Why it happens:

Some common causes of electric fuel pump fault are wear and tear, low fuel level, contamination, low fuel quality, or electrical issue.

Symptoms:

• Difficulty Starting: The engine may struggle to start or take longer than usual to start.
• Loss of Power: Noticeable loss of power while driving, especially during acceleration.
• Engine Stalling: The engine may stall unexpectedly while driving or idling.
• Poor Fuel Efficiency: Decreased fuel efficiency due to improper fuel delivery.
• Unusual Noises: Whining or humming noises coming from the fuel tank area.
• Check Engine Light: The check engine light may illuminate due to fuel pump issues.

Parts to Replace

• Mercedes Fuel Pump Assembly 2044704494 is a genuine OEM part designed to supply fuel pressure to the injection system, ensuring optimal engine performance.

Brands

• Genuine Mercedes-Benz

Fault Codes:  

A common fault code related to the fuel pressure sensor in the Mercedes-Benz GLK 350 4MATIC BlueEFFICIENCY is P2540.

Why it happens:

Some common causes of fuel pressure sensor issue are wear and tear, contamination, low fuel quality, improper installation, or electrical issue.

Symptoms:

• Difficulty Starting: The engine may struggle to start or take longer than usual to start.
• Loss of Power: Noticeable loss of power while driving, especially during acceleration.
• Engine Stalling: The engine may stall unexpectedly while driving or idling.
• Poor Fuel Efficiency: Decreased fuel efficiency due to improper fuel delivery.
• Check Engine Light: The check engine light may illuminate due to issues with the fuel pressure sensor.
• Rough Idling: The engine may idle roughly or inconsistently.

Parts to Replace

• NTK FG0002 - Fuel Tank Pressure Sensor, The NTK Fuel Tank Pressure Sensor FG0002 is engineered to meet or exceed OEM standards, ensuring reliable performance for your Mercedes-Benz vehicle.

Brands

• NTK

Symptoms:

• Sunroof Not Opening or Closing: The sunroof may not respond when you try to open or close it.
• Slow Operation: The sunroof may open or close more slowly than usual.
• Unusual Noises: You may hear grinding or clicking noises when operating the sunroof.
• Intermittent Operation: The sunroof may work sporadically, sometimes responding and sometimes not.
• Sunroof Stuck: The sunroof may get stuck in an open or closed position.

Parts to Replace

• Mercedes Sunroof Motor 204900531064 – Genuine Mercedes Made from top-grade materials, it provides long-lasting performance and durability. The motor is also engineered to fit perfectly into your Mercedes-Benz vehicle, ensuring a hassle-free installation process.

Brands

• Genuine Mercedes-Benz

Symptoms:

• Transmission Fluid Leaks: Visible fluid leaks under the vehicle, especially near the transmission area.
• Low Transmission Fluid Levels: Frequent need to top up transmission fluid.
• Transmission Slipping: The transmission may slip or have difficulty staying in gear.
• Unusual Noises: Grinding or whining noises coming from the transmission.
• Delayed Shifting: Delays or hesitation when shifting gears.
• Transmission Overheating: The transmission may overheat due to low fluid levels, leading to warning lights on the dashboard.

Parts to Replace

• Mercedes Auto Trans Gasket Set 0002702500 – OE Supplier 0002702500 The Mercedes-Benz OEM Automatic Transmission Gasket Set part number 000-270-25-00-WE is an essential component for ensuring optimal performance of your vehicle’s transmission system. This high-quality gasket set is designed to effectively seal the transmission system and prevent any leaks or damages.

Brands

• OEM

Why it happens:

Symptoms:

• Parking Aid Warning Light: The parking aid warning light may illuminate on the dashboard.
• Inconsistent Beeping: The parking sensors may beep inconsistently or not at all when approaching obstacles.
• False Alerts: The system may give false alerts, indicating obstacles when there are none.
• No Alerts: The system may fail to alert you to obstacles, increasing the risk of collisions.
• Error Messages: You may see error messages related to the parking aid system on the dashboard display.

Parts to Replace

• Mercedes Parking Aid Sensor Dorman 684035 Featuring high-quality materials and advanced technology, this sensor accurately detects the distance between your car and obstacles, making it easy for you to park in tight spaces.

Brands

• Dorman

Symptoms:

• Reduced Airflow: Noticeable decrease in airflow from the vents, making it harder to heat or cool the cabin.
• Unusual Odors: Musty or unpleasant odors coming from the vents due to trapped contaminants.
• Increased Dust: More dust and debris inside the cabin, indicating the filter is not effectively trapping particles.
• Foggy Windows: Difficulty in defogging windows, as the airflow is restricted.
• Allergy Symptoms: Increased allergy symptoms for passengers due to pollen and other allergens not being filtered out.

Parts to Replace

• Mercedes-Benz Cabin Air Filter 6052C cabin air filter is crucial for maintaining the integrity of the HVAC system by filtering out dust, pollen, and other airborne contaminants.
• Mercedes Cabin Air Filter – MANN-FILTER CUK29005 Activated Charcoal filters offer additional protection, and can be differentiated from standard filters by their dark charcoal color.
• Mercedes-Benz Cabin Air Filter – Fresh Air – Wix 49357 it filters out dust, pollen, and other airborne contaminants, ensuring clean and fresh air inside the vehicle.

Brands

• Wix
• Mann-Filter
• Bosch