2003 Mercedes-benz E350 problems

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The Mercedes-Benz E-Class is a range of executive cars manufactured by German automaker Mercedes-Benz in various engine and body configurations. Produced since 1953, the E-Class falls midrange in the Mercedes line-up, and has been marketed worldwide across five generations.

Before 1993, the E in Mercedes-Benz nomenclature was a suffix following a vehicle's model number which stood for Einspritzmotor (German for fuel injection engine). It began to appear in the early 1960s, when that feature began to be utilized broadly in the maker's product line, and not just in its upper-tier luxury and sporting models. By the launch of the facelifted W124 in 1993 fuel injection was ubiquitous in Mercedes engines, and the E was adopted as a prefix (i.e., E 220). The model line is referred to officially as the E-Class (or E-Klasse). All generations of the E-Class have offered either rear-wheel drive or Mercedes' 4Matic four-wheel drive system.

The E-Class is Mercedes-Benz' best-selling model, with more than 13 million sold by 2015. The first E-Class series was originally available as four-door sedan, five-door station wagon, two-door coupe and two-door convertible. From 1997 to 2009, the equivalent coupe and convertible were sold under the Mercedes-Benz CLK-Class nameplate; which was based on the mechanical underpinnings of the smaller C-Class while borrowing the styling and some powertrains from the E-Class, a trend continued with the C207 E-Class coupe/convertible which was sold parallel to the W212 E-Class sedan/wagon. With the latest incarnation of the E-Class released for the 2017 model year, all body styles share the same W213 platform.

Due to the E-Class's size and durability, it has filled many market segments, from personal cars to frequently serving as taxis in European countries, as well special-purpose vehicles (e.g., police or ambulance modifications) from the factory. In November 2020, the W213 E-Class was awarded the 2021 Motor Trend Car of the Year award, a first for Mercedes-Benz.

2003 Mercedes-benz E350

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Common 2003 Mercedes-benz E350 problems

The 2003 Mercedes-Benz E350 is a luxury sedan that has been known to have several common problems based on complaints from owners. Here are some of the most frequently reported issues:

  1. VVT Solenoids: The Variable Valve Timing (VVT) solenoids are a common problem in the 2003 Mercedes-Benz E350. These solenoids control the timing of the engine's valves and can fail, causing a variety of symptoms such as engine misfires, rough idle, and poor fuel economy .
  2. Air Suspension: The air suspension system in the 2003 Mercedes-Benz E350 is another common problem area. The air suspension system can leak or fail, causing the car to sag or ride low to the ground. This can lead to poor handling and reduced ride quality .
  3. CV Axles: The constant velocity (CV) axles in the 2003 Mercedes-Benz E350 can also be a problem. These axles can wear out or break, causing a variety of symptoms such as clunking or grinding noises, vibrations, and difficulty steering .
  4. Thermostat: The thermostat in the 2003 Mercedes-Benz E350 can also be a problem. A faulty thermostat can cause the engine to overheat, leading to engine damage and reduced performance. This can be caused by a variety of factors, such as a faulty thermostat sensor or a clogged radiator .
  5. Water Pump: The water pump in the 2003 Mercedes-Benz E350 can also be a problem. A faulty water pump can cause the engine to overheat, leading to engine damage and reduced performance. This can be caused by a variety of factors, such as a faulty water pump impeller or a clogged cooling system .
  6. Electrical Faults: The 2003 Mercedes-Benz E350 is known to have a complex electrical system that can be prone to faults, particularly in older models. Common issues include problems with the central locking, windows, and dashboard displays .
  7. Suspension Issues: The suspension in the 2003 Mercedes-Benz E350 is known to be prone to wear and tear, particularly on cars that have been driven on rough or poorly maintained roads. This can result in issues such as clunking noises, rough handling, and uneven tire wear .
  8. Transmission Problems: Some 2003 Mercedes-Benz E350 models have had issues with the 7-speed automatic transmission, including slipping gears, rough shifting, and failure of the transmission. This can be an expensive issue to fix .
  9. Engine Problems: Some 2003 Mercedes-Benz E350 models have had issues with the engine's balance shaft, which can result in a rattling noise and potential engine damage if not addressed. Some owners have also reported issues with the engine's oil consumption .
  10. Fuel System Issues: Some 2003 Mercedes-Benz E350 models have had issues with the fuel pump and fuel injectors, which can cause the engine to run poorly or not start at all .

It is important to note that not all 2003 Mercedes-Benz E350 models will experience these problems, and some may not experience any issues at all. However, it is important for potential buyers to be aware of these common problems and to have any potential issues inspected by a trusted mechanic or specialist before purchasing the car. Additionally, it is wise to obtain a vehicle history report to check for any past accidents or maintenance issues. By doing your due diligence, you can minimize the risk of encountering problems with your used Mercedes-Benz E350.

2003 Mercedes-benz E350 engine

What is the common problem with Mercedes E350?

One of the most common issues with the Mercedes e350 is electrical problems. This can range from minor issues like faulty switches or bulbs to more serious problems like malfunctioning sensors or control modules.

Is the Mercedes-Benz E350 a reliable car?

The probability of a repair being a severe or major issue is 13% for the Mercedes-Benz E350, compared to an average of 14% for luxury fullsize cars and 12% for all vehicle models. The average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle.

How many miles do Mercedes E350 last?

So, how long do Mercedes-Benz vehicles last? Many experts agree that Mercedes-Benz vehicles can last anywhere from 150,000 to 200,000 miles on average with routine maintenance. In fact, you may even get more mileage out of your Mercedes-Benz vehicle if it has been properly taken care of.

Are E350 expensive to maintain?

The average annual repair cost for a Mercedes-Benz is $908, which means it has average ownership costs. The other factors that contribute to Mercedes-Benz reliability include an average of 0.7 visits to a repair shop per year and a 13% probability of a repair being severe.

What is the common problem with Mercedes E350?

One of the most common issues with the Mercedes e350 is electrical problems. This can range from minor issues like faulty switches or bulbs to more serious problems like malfunctioning sensors or control modules.

Is the Mercedes-Benz E350 a reliable car?

The probability of a repair being a severe or major issue is 13% for the Mercedes-Benz E350, compared to an average of 14% for luxury fullsize cars and 12% for all vehicle models. The average total annual cost for unscheduled repairs and maintenance across all model years of a vehicle.

Are E350 expensive to maintain?

The average annual repair cost for a Mercedes-Benz is $908, which means it has average ownership costs. The other factors that contribute to Mercedes-Benz reliability include an average of 0.7 visits to a repair shop per year and a 13% probability of a repair being severe.

What year is the best Mercedes E350?

According to several internet sources, the model years 2008, 2009 and 2012, 2015 and 2019 are the best E350 due to the fewest recalls, investigations and customer complaints. Some of these model are also considered technologically far ahead of their time.

2003 Mercedes-benz E350 complaints

The NHTSA has received 0 complaints about various vehicle components related to the 2003 Mercedes-benz E350.

You can leave your car complaint via the special form below.

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Additional sources

More sources of information about 2003 Mercedes-benz E350 problems:

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1997-2006 Mercedes Benz Common Problems and Failures ...
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5 Common Problems With W211 Mercedes - YouTube
5 Common Problems With W211 Mercedes - YouTube
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Oct 29, 2019 ... Top 5 Problems Mercedes-Benz E350 Sedan 2003-2009 3rd Generation. 1A Auto: Repair Tips & Secrets Only Mechanics Know•11K views · 5:01.

E420,430,320 common problems - Mercedes Benz Enthusiast Forums
E420,430,320 common problems - Mercedes Benz Enthusiast Forums
https://mercedesforum.com/forum/mercedes-e-class-9/e420-430-320-commn-problems-521/

Mercedes E Class - E420,430320 common problems - I am going ot be purchasing a 1997-1999 Mercedes E class in the next couple months.

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Other years of Mercedes-benz E350

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E350 2004
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2003 Mercedes-benz E350 photo