In this Vehicle Platform Guide, you will find the top common issues of Mercedes-Benz E300 (W213; 2017-2019) 2.0L Inline-4 Turbocharged Base / 4Matic, along with their fault codes, and the solutions from eEuroparts.com
The Mercedes-Benz E300 (W213; 2017-2019) is a luxury midsize sedan powered by a 2.0L Inline-4 turbocharged gasoline engine, delivering 242 horsepower. It features a 9-speed automatic transmission (9G-TRONIC), ensuring smooth and efficient gear shifts for an exceptional driving experience. Available in rear-wheel drive (Base) and all-wheel drive (4Matic) configurations, this model offers superior traction and stability across various road conditions.
Specifications
Engine and Powertrain
Engine:
2.0L Turbocharged Inline-Four (M274)
Engine Code:
M274 DE20 LA
Transmission:
9-Speed Automatic (9G-TRONIC)
Fuel Type:
Premium Unleaded Gasoline
Horsepower:
~241 hp at 5,500 rpm
Torque:
~273 lb-ft at 1,300–4,000 rpm
Fuel Economy (EPA Estimates)
City/Highway Combined:
~ 21-30 MPG
Vehicle Weight
Curb Weight:
~ 3,792 lbs
Gross Weight:
~ 5,059 lbs
Configurations and Submodels
Body Styles:
Sedan
Seating Capacity:
5 passengers
Drivetrain Options:
Base (Rear-Wheel Drive – RWD) 4MATIC (All-Wheel Drive – AWD)
Top Common Issues with Mercedes-Benz E300 (W213; 2017-2019) 2.0L Inline-4 Turbocharged Base / 4Matic
Disc Brake Pad Wear Sensor
1. Disc Brake Pad Wear Sensor Failure
Fault Codes:
C1234 indicates a right front wheel speed sensor input signal missing, often due to sensor failure or wiring issues, while C1A16 refers to a radar blocked error.
Why it happens:
Disc brake pad wear sensor failure typically occurs due to sensor wire damage, corrosion, excessive heat, or improper installation, preventing accurate monitoring of brake pad wear.
Symptoms:
Brake warning light activation on the dashboard.
Inconsistent or no alerts about brake pad wear.
Unusual brake performance, such as reduced responsiveness.
Wiring damage or visible corrosion on the sensor.
Premature brake pad wear, as the system fails to provide timely warnings.
The Aftermarket XHBC038 Brake Pad Wear Sensor is a replacement for the Mercedes-Benz 1695401617 sensor, designed to monitor brake pad wear and alert the driver when replacement is needed.
C13A6 indicates an open or short circuit in the parking brake actuator motor, while C13A7 signals an actuator malfunction, often due to motor lock, gear lock, or repeated slipping.
Why it happens:
Parking brake actuator failure typically occurs due to electrical faults, gear mechanism wear, corrosion, or excessive force applied to the system, leading to malfunction or reduced braking effectiveness.
Symptoms:
Parking brake warning light illuminated on the dashboard.
Unresponsive or stuck parking brake, preventing proper engagement or release.
Grinding or clicking noises when activating the parking brake.
Reduced braking effectiveness, especially when parked on an incline.
Intermittent or complete failure of the electronic parking brake system.
C1A16 is a radar blocked fault code, typically caused by obstructions, dirt, or misalignment in the vehicle’s radar system, affecting features like adaptive cruise control and emergency braking.
Why it happens:
Brake pads wear out due to friction, heat buildup, aggressive braking, poor-quality materials, or prolonged use, gradually thinning until they lose effectiveness.
Symptoms:
Squeaking or grinding noises when braking, indicating metal-on-metal contact.
Reduced braking performance, requiring more force to stop the vehicle.
Longer stopping distances, making braking less efficient.
Brake warning light on the dashboard in some vehicles.
Vibration or pulsation in the brake pedal, especially during braking.
Visible thinning of brake pads, often less than 3mm remaining.
Parts to Replace
Front 0004209003 The Genuine Mercedes-Benz Disc Brake Pad Set is an OEM front brake pad set designed for various Mercedes-Benz models.
Rear 0004209800 The Genuine Mercedes-Benz Disc Brake Pad Set is a rear brake pad set designed for various Mercedes-Benz models.
Rear lower control arm bushing wear occurs due to age, harsh driving conditions, exposure to moisture, manufacturing defects, or excessive load stress.
Symptoms:
Vehicle instability – You may notice reduced stability, especially at higher speeds or when cornering.
Uneven tire wear – Worn bushings can cause misalignment, leading to uneven tread wear.
Steering tremors – Vibrations in the steering wheel, particularly when accelerating or braking.
Clunking noises – Loose bushings can create knocking or clunking sounds when driving over bumps.
Rear Lower 2043521065 The Mercedes Control Arm Bushing – Rear Lower is a genuine OEM suspension component designed for various Mercedes-Benz models, including the E350, GLK250, CLS63 AMG, GLC300, and E300.
Rear 2053520508 Genuine Mercedes-Benz Suspension Control Arm Bushing is a must-have part for any Mercedes-Benz owner.
The C152500 and C156E00 fault codes are related to air suspension calibration issues, with C156E00 specifically indicating a ride height system calibration failure.
Why it happens:
Rear air suspension leaks occur due to aging air springs, punctures from road debris, corroded pneumatic lines, faulty seals, or excessive pressure fluctuations.
Symptoms:
Sagging rear end – The vehicle may sit lower in the back due to air loss.
Uneven ride height – One side may appear lower than the other.
Hissing sounds – Air escaping from a damaged airbag or pneumatic line.
Frequent compressor activation – The air compressor runs more often to compensate for lost air.
Poor ride quality – Increased bouncing or roughness when driving.
Warning lights – Suspension-related alerts may appear on the dashboard.
Rear Left (With Airmatic Suspension) PART # A-3314 This high-quality air spring is engineered to provide superior performance and reliability, making it the perfect choice for Mercedes-Benz owners who want to maintain the optimal ride quality of their vehicle.
Front strut mount failure typically happens due to prolonged stress, poor-quality materials, corrosion, or excessive impact from rough roads, leading to wear, cracking, or complete breakage.
Symptoms:
Clunking or knocking noises when driving over bumps or uneven surfaces.
Excessive vibration in the steering wheel, especially at high speeds.
Poor steering response or increased difficulty in handling the vehicle.
Uneven tire wear, as the suspension may not be properly absorbing impacts.
Visible damage or wear on the strut mount, such as cracks or deterioration.
The P0351–P0354 fault codes indicate ignition coil circuit malfunctions, while P0300–P0304 signal random or cylinder-specific misfires, often caused by coil failures, wiring issues, or fuel delivery problems.
Why it happens:
Ignition coil failure occurs due to excessive heat, electrical overload, worn insulation, or fuel contamination, leading to misfires and poor engine performance.
Symptoms:
Engine misfires – Interrupts combustion, leading to poor performance.
The P0335 fault code indicates a crankshaft position sensor circuit malfunction, while P0336 signals a crankshaft position sensor range/performance issue, often caused by sensor failure, wiring faults, or timing problems.
Why it happens:
A crankshaft position sensor fault occurs due to sensor wear, wiring damage, faulty reluctor ring, excessive heat, or engine timing issues, causing ignition and performance problems.
Position Sensor 2709051300 Genuine Mercedes-Benz Engine Crankshaft Position Sensor is an exceptional quality OEM product that will keep your Mercedes-Benz running smoothly.
Position Sensor 2709050600 The Mercedes Crankshaft Position Sensor is an OEM replacement sensor designed for Mercedes-Benz models, ensuring accurate engine timing and reliable performance.
C1101 indicates an ABS hydraulic valve circuit failure, potentially affecting braking performance, while C1102 refers to an ABS acceleration switch circuit failure, which may impact stability control.
Why it happens:
Steering knuckle faults typically occur due to impact damage, excessive wear, corrosion, poor alignment, or faulty suspension components, leading to steering instability or misalignment.
Symptoms:
Steering instability or excessive play in the steering wheel.
Uneven tire wear, often due to improper alignment.
Clunking or knocking noises when turning or driving over bumps.
Difficulty in steering, especially during sharp turns.
Wheel misalignment, leading to poor handling and tracking.
Visible damage or bending on the steering knuckle.
Parts to Replace
Front Driver Left 2133325100 Crafted with precision and quality materials, the Genuine Mercedes-Benz Steering Knuckle is a must-have component for your Mercedes-Benz vehicle.
Rear Passenger Right 2133503205 The Genuine Mercedes-Benz Suspension Knuckle is a top-of-the-line product that is designed to enhance the performance and reliability of your Mercedes-Benz vehicle.
C10AD indicates a brake system control module run-time error, often due to electrical faults or software issues, while C10AE refers to a power steering motor open circuit, which can lead to steering assist failure.
Why it happens:
Steering shaft universal joint failure typically occurs due to wear, corrosion, lack of lubrication, excessive steering force, or misalignment, leading to restricted movement or steering instability.
Symptoms:
Difficulty steering, especially when turning or maneuvering.
Clunking or knocking noises when rotating the steering wheel.
Increased steering resistance, making it harder to turn the wheel.
Vibration in the steering column, felt through the steering wheel.
Loose or excessive play in the steering wheel, leading to imprecise control.
Visible wear or corrosion on the universal joint, affecting movement.
Intermediate steering shaft play occurs due to worn universal joints, loose couplings, misalignment, excessive vibration, or lack of lubrication, leading to steering instability and reduced precision.
Symptoms:
Loose or excessive play in the steering wheel, making steering feel imprecise.
Knocking or clunking sounds when turning or driving over rough surfaces.
Increased steering effort, requiring more force to turn the wheel.
Steering instability, leading to unpredictable handling.
Vibration through the steering column, especially at higher speeds.
Uneven or wandering steering, affecting vehicle control.
Parts to Replace
Mercedes CV Intermediate Shaft – Front 2053309905 Efficiently transmit torque from engine to wheels with the Genuine Mercedes-Benz CV Intermediate Shaft part number 2053309905 / 205 330 99 05 for Mercedes-Benz.
The P2004 fault code indicates a stuck open intake manifold runner control, P2006 signals a stuck closed intake manifold runner, and P2017 relates to a high circuit issue in the intake manifold runner position sensor.
Why it happens:
Intake manifold failure occurs due to carbon buildup, vacuum leaks, actuator malfunctions, or structural cracks, leading to poor engine performance and fuel inefficiency.
Symptoms:
Rough idling – The engine may run unevenly or stall due to air intake disruptions.
Loss of power – Restricted airflow affects acceleration and overall performance.
Check engine light – Fault codes may indicate intake-related issues.
P0011: Camshaft timing over-advanced, P0012: Over-retarded timing, P0522: Low oil pressure input, P0523: High input—check VVT, oil control valve, sensor.
Why it happens:
Engine oil pump flow control valve failure occurs due to wear, contamination, oil pressure irregularities, or actuator malfunctions, leading to reduced lubrication and engine performance issues.
Symptoms:
Low oil pressure warning – Dash indicator may signal pressure irregularities.
Engine knocking or ticking – Poor lubrication leads to metallic noises.
The P0087 fault code indicates fuel rail/system pressure too low, P0088 signals fuel rail/system pressure too high, and P2293 relates to fuel pressure regulator 2 performance issues.
Why it happens:
High-pressure fuel pump failure occurs due to excessive wear, contamination, low fuel quality, or insufficient lubrication, leading to fuel delivery issues and engine performance loss.
Symptoms:
Engine misfires or hesitation – Inconsistent fuel delivery affects performance.
Loss of power – Insufficient fuel pressure can lead to weak acceleration.
Difficulty starting – Fuel pressure issues may cause extended cranking.
Check engine light – Fault codes related to fuel pressure may appear.
Poor fuel efficiency – Irregular fuel delivery can impact mileage.
Unusual noises – A failing pump may produce whining or buzzing sounds.
Parts to Replace
Bosch 66804 is a high-pressure injection fuel pump designed for Mercedes-Benz models, including C300, E300, GLC300, Sprinter, Metris, and more.
Direct Injection High Pressure Fuel Pump PART # HM10109 The Direct Injection High Pressure Fuel Pump is a Delphi-manufactured fuel pump designed for gasoline direct injection (GDi) systems, ensuring efficient fuel delivery and optimal engine performance.
P0300: Random misfires; P0301–P0304: Cylinder-specific misfires; P0201–P0204: Injector circuit issues—check spark plugs, coils, injectors, and wiring for faults.
Why it happens:
Fuel injector leaks or clogging occur due to contaminated fuel, carbon buildup, worn seals, or injector failure, leading to poor fuel delivery and engine performance issues.
Loss of power – Reduced fuel delivery impacts acceleration.
Poor fuel efficiency – Inefficient injector function increases fuel consumption.
Rough idling – Inconsistent fuel spray leads to unstable idle.
Black smoke from exhaust – Excess fuel or improper combustion causes emissions issues.
Fuel odor – Leaking injectors may emit a strong fuel smell.
Parts to Replace
Bosch 62437 is an OEM-quality direct injection fuel injector designed for Mercedes-Benz models, ensuring efficient fuel delivery and optimal engine performance.
OEM Mercedes Fuel Injector O-Ring Kit 1770720000 The Genuine Mercedes-Benz Fuel Injector O-Ring Kit is a high-quality and reliable part that is specifically designed for Mercedes-Benz vehicles.
P0620, P0562, P2503The P0620 fault code indicates a generator control circuit malfunction, P0562 signals low system voltage, and P2503 relates to charging system voltage issues, often caused by alternator faults, wiring problems, or battery failures.
Why it happens:
Alternator malfunction occurs due to wear, faulty voltage regulator, damaged diodes, wiring issues, or battery problems, leading to charging system failure.
Symptoms:
Dimming or flickering lights – Weak power output affects headlights and dashboard illumination.
Battery warning light – Indicates charging system issues.
Weak or dead battery – Insufficient charging causes frequent battery drain.
Electrical malfunctions – Erratic operation of accessories like radio and power windows.
Engine stalling – Inadequate power supply can disrupt engine performance.
Strange noises – Worn bearings or failing alternator components may produce whining or grinding sounds.
Parts to Replace
Valeo Mercedes Alternator 439992 The Mercedes Alternator is a high-quality replacement alternator designed for Mercedes-Benz E-Class models, ensuring efficient charging and reliable electrical performance.
The P0615 fault code indicates a start signal circuit malfunction, while P0628 signals a fuel pump control circuit low issue, often caused by relay faults, wiring problems, or poor electrical connections
Why it happens:
Starter failure occurs due to worn starter motor, faulty solenoid, weak battery, bad connections, or damaged relay, preventing proper engine cranking.
Symptoms:
The engine won't start – No response when turning the key.
Clicking noise – Weak or faulty starter solenoid produces a clicking sound.
Slow cranking – Engine turns over sluggishly due to starter issues.
Smoke or burning smell – Overheating starter motor or electrical short.
Dim lights when starting – Electrical draw weakens battery power.
Parts to Replace
The Mercedes Starter Motor Bosch SR9602X is a remanufactured OEM starter designed for Mercedes-Benz models, ensuring reliable engine cranking and efficient power delivery.
The P0121 fault code indicates a throttle position sensor circuit range/performance issue, while P0221 signals a throttle/pedal position sensor/switch B circuit malfunction.
Why it happens:
A throttle body position sensor fault occurs due to sensor wear, wiring damage, throttle body contamination, or ECU communication issues, affecting engine performance and responsiveness.
The P0325 fault code indicates a knock sensor circuit malfunction, P0326 signals a knock sensor range/performance issue, and P0330 relates to a knock sensor circuit fault on Bank 2.
Why it happens:
Ignition knock sensor failure occurs due to sensor degradation, wiring damage, engine vibrations, overheating, or poor fuel quality, leading to improper ignition timing and reduced performance.
Symptoms:
Engine knocking or pinging – Unusual metallic noises due to improper timing.
Reduced power – ECU adjusts ignition timing, leading to sluggish acceleration.
A transmission mount wears out due to constant vibrations, engine torque stress, heat exposure, and rubber deterioration, leading to drivetrain instability and excessive movement.
Symptoms:
Excessive vibration – Increased engine and transmission movement due to weak mounts.
Clunking or thudding noises – Loose or failing mounts cause impact sounds during gear shifts.
Engine movement under acceleration – Mount failure allows excessive engine shifting.
Rough gear engagement – Increased drivetrain movement leads to jerky or hesitant shifting.
Damage to surrounding components – Misalignment can stress nearby parts like exhaust or driveshaft.
Parts to Replace
AWD Mount 2052402500 The Genuine Mercedes-Benz Automatic Transmission Mount is a top-quality replacement part known for its exceptional performance and durability.
RWD Mount 2052405300 The Genuine Mercedes-Benz Automatic Transmission Mount is specifically designed to fit Mercedes-Benz vehicles, ensuring optimal performance and durability
The P17F8 fault code relates to transmission adaptation issues, while P0715 indicates a turbine speed sensor circuit failure, often caused by sensor faults, wiring damage, or transmission control module issues.
Why it happens:
Transmission filter/gasket failure occurs due to wear, fluid contamination, gasket degradation, improper installation, or excessive heat, leading to leaks and poor transmission performance.
Symptoms:
Transmission fluid leaks – Worn gaskets or improper seals cause fluid to escape.
Mercedes Auto Trans Oil Pan Gasket 097.630 The Elring Transmission Oil Pan Gasket is a high-quality replacement part designed to fit perfectly in your Mercedes-Benz car.
P17D7 and P17D8 indicate clutch temperature issues, often due to faulty sensors or poor connections, limiting torque for safety.
Why it happens:
Transfer case shaft seal failure occurs due to fluid leaks, wear and tear, poor maintenance, overheating, or overstressing the transfer case.
Symptoms:
Fluid leaks: You may notice reddish or brownish fluid pooling under your vehicle, indicating a failing seal.
Difficulty shifting gears: Low fluid levels can make gear shifting rough or unresponsive.
Grinding noises: Metal components rubbing due to fluid loss can cause grinding or screeching sounds.
Loss of traction: A failing seal can lead to disengagement from four-wheel drive, reducing traction.
Unexpected disengagement: The vehicle may suddenly jump out of four-wheel drive mode, affecting stability.
Burning smells: Leaking fluid can fall on hot engine parts, creating a burnt oil odor.
Vibrations: In rare cases, a failing seal can cause noticeable vibrations while driving.
Parts to Replace
Output Shaft Seal Front 725997104664 It serves as a front input shaft seal, output shaft seal, and oil seal, ensuring proper sealing and function within the transfer case.
Input Shaft Seal 725997084664 The Genuine Mercedes-Benz Transfer Case Input Shaft Seal is an OEM part designed for various Mercedes-Benz models, including the C300, S560, GLC300, CLS550, E300, S63 AMG, GLC43 AMG, and Maybach S580.
1. Blind Spot Detection System Warning Sensor Failure
Fault Codes:
B1A76, C1B40, and C1B41 are blind spot assist sensor malfunctions, caused by wiring issues, radar faults, or chassis-related errors, affecting detection accuracy.
Why it happens:
Blind Spot Detection System sensor failure occurs due to **dirt, moisture intrusion, wiring faults, radar misalignment, or sensor degradation**, leading to inaccurate detection or system malfunction.
Symptoms:
Blind spot alerts not activating, leading to reduced detection accuracy.
False warnings, where the system detects objects that aren’t there.
Warning lights or error messages on the dashboard.
Loss of radar-based assistance, impacting lane-change safety.
Unresponsive sensors, failing to detect vehicles in blind spots.
Intermittent functionality, where the system works inconsistently.
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
Is the Mercedes-Benz E300 (W213) reliable for long-term ownership?⌄
Yes, the E300 is known for solid reliability when serviced on time. Using OEM parts and regular maintenance ensures smooth performance for years.
How often should I change the oil in my Mercedes-Benz E300 (2017–2019)?⌄
It’s best to change the oil every 10,000 miles or once a year, whichever comes first, using Mercedes-approved synthetic motor oil.
Does the E300 4Matic handle well in snow or rain? ⌄
Absolutely. The 4Matic system offers confident traction and stability, making it ideal for drivers in regions with varied weather or light snow.
What type of fuel does the Mercedes E300 require?⌄
The E300 runs on premium unleaded gasoline (91 octane or higher) for optimal efficiency and performance.
Where can I buy genuine Mercedes-Benz E300 parts in the US? ⌄
You can find OEM and high-quality replacement parts for your E300 at eEuroparts., ensuring proper fitment and lasting quality.
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