In this Vehicle Platform Guide, you will find the top common issues of Mercedes-Benz GL350 / GLS350d (X166; 2013-2017) 3.0L Turbocharged V6, along with their fault codes, and the solutions from eEuroparts.com.
The 2013-2017 Mercedes-Benz GL350 / GLS350d (X166) 3.0L Turbocharged V6 Diesel is a full-size luxury SUV that blends robust diesel performance with versatile 7-passenger capacity and commanding off-road capability. Propelled by a 3.0L turbocharged V6 diesel engine (OM642), it produces 254-258 horsepower and 457 lb-ft (620 Nm) of torque. Paired with a 7-speed 7G-TRONIC automatic transmission and Mercedes’ 4MATIC permanent all-wheel drive system, it offers confident acceleration, hill-climbing strength, and long-distance efficiency.
Specifications
Engine and Powertrain
Engine:
3.0L V6 Turbocharged Diesel
Engine Code:
OM642
Horsepower:
~ 240 hp at 3,600 rpm
Torque:
~ 455 lb-ft at 1,600-2,400 rpm
Fuel Type:
Diesel
Transmission:
7G-TRONIC PLUS 7-Speed Automatic
Fuel Economy (EPA Estimates)
City/Highway Combined:
~18-26 MPG
Vehicle Weight
Curb weight:
~ 5310 lbs
Gross Weight:
~ 7055 lbs
Configurations and Submodels
Body Styles:
SUV
Seating Capacity:
7 passengers
Drivetrain Options:
4MATIC (All-Wheel Drive)
Top Common Issues with Mercedes-Benz GL350 / GLS350d (X166; 2013-2017) 3.0L Turbocharged V6
ABS Sensor
1. ABS Sensor Failure
Fault Codes:
C0035 and C0040 indicate left and right front wheel speed sensor faults-caused by damaged sensors, wiring issues, or ABS malfunction.
Why it happens:
ABS sensor failure typically occurs due to road debris damage, corrosion, dirty tone rings, or wiring faults disrupting signal transmission.
Symptoms:
ABS Warning Light Illuminated: One of the first signs-your dashboard will light up with the ABS icon when the system detects a fault.
Pulsating Brake Pedal: You may feel vibrations or pulsing during braking as the system misinterprets wheel speed data.
Loss of Anti-lock Braking Function: The ABS system may shut down, causing wheels to lock during hard braking.
Traction or Stability Control Disabled: Related systems like traction control, hill-start assist, or roll stability may also deactivate.
Unusual Brake Behavior: Brakes may feel spongy, unresponsive, or behave erratically under pressure.
Speedometer Issues (Rare): In some cases, the speedometer may stop registering or behave erratically due to sensor failure.
Parts to Replace
Front 1669054002 is a genuine OEM component designed to monitor wheel rotation and support anti-lock braking and stability control systems on various Mercedes-Benz SUV platforms.
Yaw Rate Sensor Part # 0065422618 The Genuine Mercedes-Benz ABS Wheel Speed Sensor, part number 0065422618, is an essential component for your Mercedes-Benz car.
Front Part # 360470 The ATE ABS Wheel Speed Sensor is a reliable and durable replacement part designed for Mercedes-Benz vehicles.
P1470 indicates a leak detection pump control circuit fault, typically caused by damaged wiring, poor electrical connections, or a failing pump unit.
Why it happens:
Brake booster vacuum leaks typically occur due to cracked vacuum hoses, faulty check valves, or deteriorated internal seals within the booster unit.
Symptoms:
Stiff Brake Pedal: Requires significantly more effort to press due to loss of vacuum assist.
Increased Stopping Distance: Braking feels delayed or less responsive, especially during emergency stops.
Hissing Sound: Audible when pressing the brake pedal, often from air escaping the booster diaphragm or vacuum line.
Rough Idle or Engine Surging: Vacuum leak affects engine performance, especially noticeable at idle.
Brake Warning or ABS Light: May illuminate due to reduced brake assist or system faults.
Spongy or Low Brake Pedal Feel: Caused by air intrusion or reduced vacuum pressure in the booster system.
Parts to Replace
Mercedes Power Brake Booster 1664301030 The Genuine Mercedes-Benz Power Brake Booster is an essential component for your Mercedes-Benz vehicle’s braking system.
C156E is a ride height system calibration fault, typically caused by a miscalibrated air suspension sensor, wiring issues, or a faulty control module.
Why it happens:
Air suspension compressor failure typically occurs due to overheating, moisture contamination, electrical faults, or excessive wear from prolonged operation.
Symptoms:
Vehicle Sits Lower Than Normal: Especially after being parked overnight, indicating the compressor can't maintain air pressure. Uneven Ride Height: One side or corner may sag due to insufficient air delivery.
Compressor Runs Excessively: If it runs longer than usual or doesn’t shut off, it may be compensating for leaks or internal wear.
Strange Noises: Grinding, groaning, or clicking sounds suggest internal motor or fan damage.
Slow Suspension Response: The vehicle takes longer to reach normal ride height after startup.
No Compressor Operation: Complete failure may prevent the system from inflating air springs at all.
AIRMATIC Warning Light: Illuminates due to pressure loss or compressor malfunction.
C1525 and C156E indicate level control system and rear axle ride height calibration faults, often caused by sensor misalignment, wiring issues, or control module errors.
Why it happens:
Air suspension spring failure typically occurs due to rubber bellow degradation from age, repeated compression cycles, or impact damage from road hazards.
Symptoms:
Sagging Ride Height: One corner or side of the vehicle sits noticeably lower, especially after being parked overnight.
Uneven Stance: The vehicle may lean to one side, indicating a failed spring on that corner.
Rough or Bouncy Ride: Loss of air pressure reduces damping, making the ride harsh over bumps.
Noisy Compressor Operation: The air pump runs excessively to compensate for leaks, often becoming loud or cycling frequently.
Visible Damage to Bellows: Cracks, tears, or dry rot in the rubber air spring material can lead to leaks.
Check Suspension Warning Light: Dashboard alerts may appear due to pressure loss or height sensor errors.
Delayed Leveling Response: The system takes longer to adjust ride height after startup or mode changes.
Rear (B3 OE replacement Air) Part # 40-118673 The Bilstein Air Suspension Spring for Mercedes-Benz is a high-performance suspension system that offers superior comfort and handling characteristics.
Control arm bushing wear typically occurs due to age-related degradation, lack of lubrication, harsh driving conditions, or exposure to debris and moisture.
Symptoms:
Steering Wheel Vibration: Especially noticeable during acceleration or braking due to excess play in the suspension system.
Clunking or Banging Noises: Heard when driving over bumps or rough terrain as the bushing fails to cushion metal-on-metal contact.
Uneven Tire Wear: Caused by misalignment from loose control arms affecting wheel geometry.
Reduced Handling Stability: The vehicle may feel loose or wander at higher speeds due to compromised suspension alignment.
Increased Road Noise: Worn bushings transmit more vibration and sound into the cabin, making the ride less comfortable.
Visible Bushing Damage: Cracks, tears, or excessive movement in the bushing material during inspection.
Passenger Right 1663300243 The Genuine Mercedes-Benz Suspension Control Arm Bracket is a high-quality replacement part designed to ensure the optimal performance of your Mercedes-Benz vehicle’s suspension system.
Rear Lower Outer 1663260281 -3592801 is an OEM-grade suspension component designed to restore alignment, reduce noise, and improve handling on various Mercedes-Benz SUV platforms.
Febi-Bilstein 174236 - Suspension Control Arm Bushing (Front Right Lower Rearward)
Sway bar link wear typically occurs due to constant road stress, lack of lubrication, corrosion from moisture, and age-related material fatigue.
Symptoms:
Clunking or Rattling Noises: Especially when turning or driving over bumps, caused by loose or worn ball joints in the link.
Excessive Body Roll: The vehicle leans more during cornering due to reduced sway bar effectiveness.
Poor Handling Response: Steering may feel loose or less precise, especially during quick maneuvers.
Uneven Tire Wear: Caused by compromised suspension geometry and inconsistent weight distribution.
Vibrations in Steering Wheel: Often felt during braking or turning, linked to unstable suspension components.
Visual Damage: Bent or broken links, cracked bushings, or loose connections visible during inspection.
Parts to Replace
Front Driver Side 1663200789 is a genuine OEM component designed to connect the sway bar to the suspension, reducing body roll and improving handling on various Mercedes-Benz SUV platforms.
Front Passenger Side 1663200889 - 3713601 is a high-quality OEM replacement designed to improve handling and reduce body roll on various Mercedes-Benz SUV platforms.
Front Left Part # K750790 is a high-quality replacement component designed to improve handling and reduce body roll on various Mercedes-Benz SUV platforms.
P0335 and P0385 are crankshaft position sensor fault codes indicating circuit malfunctions in sensors A and B, affecting engine timing.
Why it happens:
Crankshaft sensor failure typically stems from engine heat, vibration, oil contamination, faulty wiring, or aging electronics degrading signal accuracy.
Symptoms:
Hard Starting or No Start: The ECU can't determine crankshaft position, making ignition timing unreliable.
Engine Stalling: Sudden loss of signal can cause the engine to shut off unexpectedly.
Misfires and Rough Idle: Incorrect timing leads to poor combustion and unstable RPMs.
Reduced Power and Acceleration: The engine may enter limp mode or struggle to respond to throttle input.
Check Engine Light: Fault codes like P0335 or P0385 often accompany sensor failure.
Mercedes Engine Crankshaft Position Sensor 2769051500 The Genuine Mercedes-Benz Engine Crankshaft Position Sensor is an essential component for your Mercedes-Benz that ensures the smooth running of your vehicle’s engine.
Steering tie rod end failure typically occurs due to constant steering stress, rough road impacts, corrosion, or torn dust boots allowing contamination.
Symptoms:
Loose or Unresponsive Steering: Excessive play in the steering wheel, especially during turns or lane changes.
Steering Wheel Vibrations: Noticeable shaking at higher speeds due to misalignment or worn joints.
Clunking or Knocking Noises: Heard when turning or driving over bumps, caused by looseness in the tie rod ball joint.
Uneven Tire Wear: Feathering or cupping on the inner or outer edges due to poor alignment.
Vehicle Pulling to One Side: Caused by misaligned wheels from a worn or bent tie rod.
Poor Front-End Alignment: Difficulty maintaining straight-line tracking, especially after hitting potholes or curbs.
Parts to Replace
Front Inner 1663380315 is a genuine OEM steering component designed to ensure precise handling and alignment on various Mercedes-Benz SUV platforms.
Bison Performance BPSS20109 Steering Tie Rod End is a high-quality replacement part designed for Mercedes-Benz vehicles.
Lemforder 36970 01 - Steering Tie Rod End is a premium OEM-grade steering component designed to deliver precise handling and alignment on various Mercedes-Benz SUV platforms.
Steering coupling boot failure typically occurs due to age-related rubber degradation, exposure to road debris, or lack of lubrication causing cracking and wear.
Symptoms:
Cracking or Splitting Rubber: Visible damage on the boot due to age, heat, or road debris.
Grease Leakage: Grease escaping from the boot area, often seen as oily residue around the coupling.
Stiff or Jerky Steering: Caused by dried-out or contaminated joints due to lack of lubrication.
Clunking or Popping Noises: Heard while turning the wheel, especially at low speeds or over bumps.
Excessive Steering Play: Loose or delayed steering response from worn coupling components.
Rust or Corrosion on Coupling Shaft: Indicates moisture intrusion from a compromised boot.
Vibration or Rattling in Steering Column: Especially noticeable on rough roads or during cornering.
Parts to Replace
Mercedes Steering Coupling Boot 1644601237 The Genuine Mercedes-Benz Steering Coupling Boot is an essential component that helps to ensure reliable and smooth steering operation in your Mercedes-Benz vehicle.
P2017, P2004, and P2006 point to intake runner control faults: electrical issue, stuck open, and stuck closed respectively.
Why it happens:
Intake manifold failure typically occurs due to heat stress, gasket deterioration, vacuum leaks, or carbon buildup disrupting airflow and sealing integrity.
Rough Idle: Unstable RPM due to vacuum leaks or poor airflow.
Loss of Power: Reduced acceleration and sluggish throttle response.
Check Engine Light: Often triggered by sensor discrepancies or air-fuel imbalance.
Coolant Leaks: Cracks or gasket failure may allow coolant to escape externally or into the intake.
Overheating: Internal coolant leaks can lead to rising engine temperatures.
Increased Fuel Consumption: Inefficient combustion forces the engine to burn more fuel.
Unusual Noises: Whistling or hissing sounds may indicate air leaks.
Parts to Replace
Passenger Side 6420900637 The Genuine Mercedes-Benz Engine Intake Manifold is a reliable and high-quality replacement part for your Mercedes-Benz.
Driver Left 6420906537 The Genuine Mercedes-Benz Engine Intake Manifold is a must-have for any Mercedes-Benz owner looking to improve the performance and efficiency of their vehicle.
Part # 6420901637 The Genuine Mercedes-Benz Engine Intake Manifold is an essential component for your Mercedes-Benz engine.
P20E8, P204C, and P207F indicate issues in the diesel exhaust fluid system-low pressure, poor pump control, and inadequate fluid quality.
Why it happens:
Diesel Exhaust Fluid module or pump failure typically results from DEF contamination, crystallization, poor fluid quality, or prolonged exposure to extreme temperatures.
Symptoms:
Check Engine Light: Often the first warning triggered by DEF system faults.
Reduced Engine Power: The ECU may limit performance to reduce emissions.
Failure to Start or Derate Mode: Vehicle may refuse to start or enter limp mode if DEF pressure is too low.
DEF Warning Indicators: Dashboard alerts for low pressure, poor quality, or pump malfunction.
Increased DEF Consumption: Faulty dosing can lead to excessive fluid use.
Crystallization Around Components: White residue near the pump or injectors suggests DEF evaporation and clogging.
Audible Pump Noise or Silence: Unusual sounds or complete silence may indicate mechanical failure.
Poor Fuel Economy: Inefficient SCR operation can increase fuel usage
P0671-P0676 and P0380 are glow plug circuit fault codes indicating electrical issues across cylinders 1-6 and the glow plug module.
Why it happens:
Glow plug failure typically occurs due to carbon buildup, electrical faults, overheating, or physical damage from improper installation or voltage spikes.
Symptoms:
Hard Starting: Especially in cold weather, the engine struggles to ignite due to insufficient preheating.
Rough Idle: Uneven combustion causes vibration and unstable RPMs at idle.
Engine Misfires: Incomplete ignition leads to misfiring, especially during warm-up.
White or Black Exhaust Smoke: Poor combustion can produce excess smoke during startup.
Check Engine Light or Glow Plug Warning: Fault codes like P0671-P0676 or P0380 may be triggered.
Reduced Fuel Efficiency: Inefficient combustion forces the engine to burn more fuel.
Poor Acceleration: Lack of combustion heat affects throttle response.
No Start in Extreme Cold: Severely failed glow plugs may prevent engine startup altogether.
Mercedes-Benz Diesel Glow Plug 0011597301 is a pencil-type glow plug designed for efficient cold-start performance in various Mercedes diesel engines, including the OM642 V6.
NGK CZ551 - Diesel Glow Plug is specially designed for Mercedes-Benz vehicles and is compatible with part number A0011597301.
Trouble Starting: Faulty valves affect air-fuel mixture, making ignition difficult.
Poor Fuel Economy: Inefficient combustion leads to increased fuel consumption.
Burning Smell or Smoke: Oil leakage past valve seals may cause blue exhaust smoke.
Backfiring or Popping Sounds: Combustion gases escaping through damaged valves.
Valve Noise: Tapping or clicking sounds from worn or misaligned valve components.
Parts to Replace
OEM Intake Valve Part # 6420530401 The Genuine Mercedes-Benz Engine Intake Valve is a top-of-the-line replacement part that is designed to fit perfectly into your Mercedes-Benz engine.
OEM Mercedes Exhaust Valve 6420500827 is a genuine OEM component designed for the 3.0L V6 diesel engines (OM642) used across multiple Bluetec models.
TRW Mercedes Engine Exhaust Valve 261127 The TRW Engine Exhaust Valve part number 261127 is a reliable choice for your Mercedes-Benz. This part type is also compatible with other part numbers, including 642 050 05 27, 642 050 07 27, 642 050 08 27, and A 642 050 05 27.
Mercedes Diesel Fuel Injector Pump 0445010322 The Bosch Diesel Fuel Injector Pump Part Number 0445010322 is a high-quality replacement part specifically designed for Mercedes-Benz vehicles.
OEM Mercedes Fuel Filter 6420906452 is a genuine OEM component designed for 3.0L V6 diesel engines, particularly those found in Sprinter vans and Bluetec models.
Fuel Filter 6420906452 -WK82014 is a premium diesel fuel filter designed to replace Mercedes-Benz part 6420906452, offering enhanced filtration and cold-weather performance thanks to its integrated heating element.
P20B9 and P205B are DEF system fault codes indicating a control circuit issue with Reductant Heater A and tank level sensor performance.
Why it happens:
AdBlue heater malfunction typically occurs due to crystallization, electrical failure, or prolonged exposure to freezing temperatures that damage the heating element.
Symptoms:
Cold Start Issues: DEF may freeze in low temperatures, preventing proper dosing.
Check Engine Light or DEF Warning: Fault codes like P20B9 or P205B may appear.
No Start or Limp Mode Activation: The ECU may restrict engine operation if DEF heating fails.
Crystallization in Tank or Lines: White residue indicates urea solidification due to inadequate heating.
Inaccurate DEF Level Readings: Sensor errors caused by frozen or unheated fluid.
U1008 and B210F are communication fault codes-U1008 signals lost contact with the radiator shutter system, while B210F relates to steering column module errors.
Why it happens:
Starter faults typically occur due to worn solenoids, corroded electrical connections, overheating, oil contamination, or internal motor damage from age or stress.
Symptoms:
No Crank When Turning the Key: The engine doesn’t turn over despite a charged battery. Single Click Sound: Indicates a faulty solenoid or poor starter engagement.
Intermittent Starting Issues: Sometimes starts, sometimes doesn’t-classic sign of internal wear.
Grinding Noise: Worn starter gear failing to mesh with the flywheel.
Freewheeling Whine: Starter spins but doesn’t engage the engine.
Smoke or Burning Smell: Electrical overload or short circuit within the starter motor.
Dash Lights On, No Engine Response: Power is present, but the starter isn’t activating.
Oil-Soaked Starter: Leaks from nearby components can damage the motor over time.
P0191 and P0087 indicate fuel rail sensor issues or low system pressure-often caused by pump failure, clogged filter, or wiring.
Why it happens:
Fuel rail pressure sensor faults typically occur due to fuel contamination, electrical connector corrosion, excessive heat, or internal sensor degradation over time.
Symptoms:
Check Engine Light: Often the first sign, triggered by erratic pressure readings or sensor failure.
Hard Starting or No Start: Inaccurate pressure data prevents proper fuel delivery during ignition.
Poor Acceleration and Sluggish Response: The ECU may miscalculate fuel needs, leading to weak throttle response.
Rough Idling or Stalling: Unstable fuel pressure affects combustion consistency, especially at low RPMs.
Reduced Fuel Efficiency: Over- or under-fueling caused by faulty readings increases consumption.
Limp Mode Activation: The ECU may restrict engine output to prevent damage from improper fuel pressure.
Parts to Replace
Mercedes Fuel Pressure Sensor 0061537828 The Genuine Mercedes-Benz Fuel Pressure Sensor, also known as is a high-quality replacement part designed specifically for use in Mercedes-Benz vehicles.
P0750-P0770 and P2706 fault codes signal shift solenoid malfunctions, typically caused by fluid contamination, worn components, or electrical issues.
Why it happens:
Automatic transmission control solenoid failure typically occurs due to contaminated fluid, electrical faults, overheating, or mechanical wear from prolonged use.
Symptoms:
Delayed or Erratic Shifting: Gear changes may lag or occur unpredictably during acceleration or deceleration.
Stuck in Gear or Limp Mode: The transmission may lock into one gear, often 2nd or 3rd, to protect itself.
Skipping Gears: The vehicle may jump over certain gears entirely due to solenoid malfunction.
Hard or Harsh Shifting: Gear changes feel abrupt or jarring, especially under load.
Mercedes Auto Trans Filter 2222772000 The Genuine Mercedes-Benz Transmission Filter is designed to replace your old or damaged filter in your Mercedes-Benz vehicle.
P0336 and P0016 indicate crankshaft sensor errors and timing misalignment, causing misfires from disrupted ignition and fuel synchronization.
Why it happens:
Automatic transmission flexplate failure typically occurs due to engine or torque converter imbalance, improper bolt torque, poor-quality parts, or starter engagement issues.
Symptoms:
Clunking or Grinding Noises at Idle: Often heard from the rear of the engine, especially near the bellhousing.
Knocking When Shifting into Drive or Reverse: Indicates flexplate misalignment or cracks.
Heavy Vibrations Through the Driver’s Seat: Caused by imbalance or flexplate warping during normal driving.
Rough-Running Engine: Poor torque transfer disrupts engine smoothness.
Loss of Power at Higher Speeds: Inefficient energy transfer from crankshaft to transmission reduces performance.
Starter Engagement Issues: Difficulty starting the engine due to damaged ring gear teeth or flexplate cracks.
Unusual Noises During Deceleration: Ticking or clanking sounds from the torque converter area may signal flexplate damage.
Poor Fuel Economy: Inefficient torque transfer can lead to increased fuel consumption.
Transmission fluid leaks typically occur due to worn seals, damaged pan gaskets, cracked transmission pans, loose drain plugs, or degraded cooling lines.
Symptoms:
Red or Brown Fluid Under the Vehicle: A puddle near the transmission area, often thinner than engine oil.
Burning Smell: Leaked fluid on hot components like the exhaust can produce a sharp, chemical-like odor.
Transmission Warning Light: May illuminate due to low fluid pressure or overheating.
Unusual Noises: Whining, clunking, or buzzing sounds during gear shifts or acceleration.
Overheating Transmission: Insufficient fluid fails to cool and lubricate internal components.
Low Fluid Level on Dipstick: A rapid drop after topping off suggests an active leak.
Parts to Replace
Mercedes Auto Trans Oil Pan Gasket 2202710380 The Genuine Mercedes-Benz Transmission Oil Pan Gasket part is a high-quality replacement part that is perfect for Mercedes-Benz vehicles.
Elring Mercedes Auto Trans Oil Pan Gasket 2202710380 - 097630 The Elring Transmission Oil Pan Gasket is a high-quality replacement part designed to fit perfectly in your Mercedes-Benz car. The part number 097.630 is compatible with other part numbers 220 271 01 80 and 220 271 03 80.
Mercedes Manual Trans Output Shaft Seal 0159971246 The Genuine Mercedes-Benz Automatic Transmission Extension Housing Seal is a high-quality replacement part designed to seamlessly fit into your Mercedes-Benz vehicle.
P1831 and C1117 fault codes indicate transfer case shift motor and actuator performance issues, often caused by thermal stress, electrical faults, or mechanical failure.
Why it happens:
Transfer case motor failure typically occurs due to fluid leaks, electrical faults, worn gears, or lack of maintenance causing actuator overload.
Symptoms:
Difficulty Shifting into 4WD: The system may fail to engage or disengage properly, especially under load.
Grinding or Clicking Noises: Unusual sounds during 4WD actuation often point to worn gears or motor strain.
4WD Warning Light Illuminated: Fault codes like P1831 or C1117 may trigger dashboard alerts.
Stuck in One Drive Mode: The vehicle may remain locked in 2WD or 4WD due to motor or actuator malfunction.
Fluid Leaks Near Transfer Case: Leaking seals can affect motor performance and cause overheating.
Intermittent 4WD Operation: The system may work sporadically, especially in cold or wet conditions.
Parts to Replace
OEM Mercedes Transfer Case Motor 1645400188 The Genuine Mercedes-Benz Transfer Case Motor is an essential part for your Mercedes-Benz that ensures the smooth functioning of your vehicle’s transfer case.
B10C9 and B10D8 are HVAC fault codes indicating an open circuit in the blower motor and a faulty or missing blower motor speed signal, respectively, often caused by wiring issues, failed motor, or control module errors.
Why it happens:
Blower motor failure typically occurs due to overheating from airflow restriction, worn bearings, electrical faults, rust buildup, or damage to internal windings.
Symptoms:
Low or No Airflow from Vents: The most obvious sign-air barely moves or stops altogether.
Unusual Noises: Grinding, squeaking, or rattling sounds may indicate worn bearings or debris inside the motor.
Burning Smell from Vents: Overheating or electrical faults can produce a hot or acrid odor.
Circuit Breaker Keeps Tripping: A seized motor or shorted windings may overload the system.
Blower Works Only on One Speed: Often caused by a faulty resistor or control module.
Intermittent Operation: Motor may start and stop randomly due to loose wiring or internal faults.
Visible Rust or Corrosion: Moisture intrusion can degrade motor components over time.
Parts to Replace
Front 1669066100 The Genuine Mercedes-Benz HVAC Blower Motor Assembly is a must-have replacement for your car’s HVAC system.
Mahle Blower Motor Assembly Part # AB231000S The MAHLE HVAC Blower Motor is a high-quality replacement part designed to fit perfectly with the Mercedes-Benz part number 1669066100.
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
How reliable is the Mercedes-Benz GL350 / GLS350d?⌄
The GL350 / GLS350d is generally considered reliable when maintained properly. Owners value its strong diesel torque, comfortable ride, and long-distance capability.
What common issues do GL350 / GLS350d owners face?⌄
Typical issues include Airmatic suspension leaks, NOx sensor failures, swirl flap problems, and occasional DEF system faults. Regular servicing helps prevent major repairs.
Is the GL350 / GLS350d expensive to maintain? ⌄
Maintenance is higher than average due to diesel emission components and premium parts, but using OEM-quality replacements keeps it running smoothly without unnecessary costs.
How good is the fuel economy on the GL350 / GLS350d?⌄
The diesel V6 is appreciated for strong fuel efficiency compared to gasoline models, especially on highways and long-distance travel.
Does the GL350 / GLS350d handle well in bad weather? ⌄
Yes. Its 4MATIC all-wheel-drive system, higher ground clearance, and strong low-end torque make it well-suited for rain, snow, and slippery road conditions.
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