2020 Mercedes Benz C-Class Problems and Top Complaints – Is Your Car A Lemon?

Electrical system & engine issues are among the top complaints received by the NHTSA from vehicle owners

The 2020 Mercedes-Benz C-Class provides the luxury travel that’s expected from this brand. The newer models are known to help “step up your game.” However, customers found defects with the electrical system, engine and structure that could be causing trouble.

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2020 Mercedes Benz C-Class Electrical System Problems

As a luxury model, everything must work seamlessly to provide the level of transportation customers demand, but this C-Class seems to fail from an electrical standpoint.

One NHTSA complaint states, “The contact owns a 2020 Mercedes-Benz C300. The contact stated that her son was driving at an undisclosed speed when another vehicle’s muffler detached and crashed into the undercarriage of the contact’s vehicle. The front driver and passenger side tires exploded and fractured the rims. The contact stated that the vehicle’s alert system failed to warn her son of the incoming object which resulted in the collision. The contact’s son did not receive medical attention. A police report was filed. The vehicle was towed to the dealer and repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was 6,000.”

There’s one recall out of ten that talk about these problems. NHTSA Campaign Number 21V058000 states that more than one million vehicles are equipped with a communication module that fails to provide the location in the event of an emergency. Without this equipment, dispatchers might show up at the wrong location when help is needed, leaving occupants in further danger. There’s no better way to “step up” game than with a disaster on top of an emergency.

2020 Mercedes Benz C Class Engine Problems

As a luxury model, everything must work seamlessly to provide the level of transportation customers demand, but this C-Class seems to fail from an electrical standpoint.

One NHTSA complaint states, “The contact owns a 2020 Mercedes-Benz C300. The contact stated that her son was driving at an undisclosed speed when another vehicle’s muffler detached and crashed into the undercarriage of the contact’s vehicle. The front driver and passenger side tires exploded and fractured the rims. The contact stated that the vehicle’s alert system failed to warn her son of the incoming object which resulted in the collision. The contact’s son did not receive medical attention. A police report was filed. The vehicle was towed to the dealer and repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was 6,000.”

There’s one recall out of ten that talk about these problems. NHTSA Campaign Number 21V058000 states that more than one million vehicles are equipped with a communication module that fails to provide the location in the event of an emergency. Without this equipment, dispatchers might show up at the wrong location when help is needed, leaving occupants in further danger. There’s no better way to “step up” game than with a disaster on top of an emergency.

2020 Mercedes Benz C Class Structural Problems

The biggest issues seem to be related to how the C-Class was built. It doesn’t have the level of integrity that’s expected from this company.

Here’s one example from an NHTSA complaint. “On July 17, 2021 I was driving at the posted rate of speed down I-275 Southbound here in Michigan. All of the sudden and without warning, there was a loud explosion which happened, from as near as I can tell, in the driver’s side windshield pillar, where there is an airbag. No warning lights came on, and the car did not change its driving characteristics. Only after I reached my destination and searched under the dash, and everywhere else (including the exterior), did I find that the plastic “cover” on the pillar is pushed away from the pillar and much more loose than the plastic cover on the passenger side. Since the incident, I have had severe tinnitus in my left ear which was about 15-18” away from it. The air bag did not deploy. I did not hit a pothole, did not hit a bump, did not hit another vehicle.”

Right now, the cars are under investigation by the NHTSA and there’s a recall (21V197000), all related to the roof panel. It appears that cars with a panoramic sunroof can have an improperly bonded front roof panel. This adhesive can deteriorate over time, leading to a panel that detaches from the car. If it ends up on the road, it also creates a hazard to other vehicles. There are few things as funny in a cartoon as a car literally falling apart, but it’s not so humorous in real life. If customers wanted a piece of junk, they could have saved themselves a lot of money choosing a cheap Chevy or Kia and probably found better craftsmanship.

What to do if your 2020 Mercedes Benz C Class is a Lemon? Your Lemon Rights

However, minor you might think your problems are, if your Mercedes Benz C Class has problems that make you think it’s a lemon, do something about it.

Lemberg Law has many years of experience helping car owners who buy lemons. You don’t have to keep a lemon. You have a bunch of legal rights to return, get a buyback, or demand cash for a car that doesn’t operate the way it should.

Call our Helpline today and we’ll evaluate your case. It’s not going to cost you anything because the law says that the manufacturer must pay.

Who are we? We are Lemberg Law, a Consumer Law Firm

Lemberg Law is a consumer law firm helping victims of bad manufacturing and run-arounds from auto companies. We are ranked A+ by the BBB. Call our Helpline today!  There is no charge unless we win.

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Brian Jones

About the Author:

Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.

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