9 Mercedes A Class Common Problems

The Mercedes A-Class is a popular compact car that has been around since 1997. Over the years, the A-Class has undergone numerous updates and redesigns, with each new iteration bringing new features and technologies. Despite its popularity and status as a luxury vehicle, the Mercedes A-Class is not immune to common problems that can arise over time.

In this article, we will discuss some of the most common problems that Mercedes A-Class owners may experience.

Electrical Issues

One of the most common problems that Mercedes A-Class owners may experience is electrical issues. These can manifest in a variety of ways, such as dashboard warning lights, faulty sensors, or problems with the car’s infotainment system.

Some common electrical issues include problems with the car’s battery, alternator or starter motor. If the battery is not holding a charge or the alternator is not charging it properly, you may experience starting issues or find that the car won’t start at all. In addition, faulty sensors can cause warning lights to appear on the dashboard, which can be frustrating and sometimes expensive to diagnose and fix.

To avoid electrical issues, it’s essential to ensure that your car’s battery and charging system are regularly checked and maintained. If you notice any warning lights on the dashboard, it’s important to have them investigated as soon as possible to avoid any potential safety issues.

Transmission Problems

Mercedes A Class Interior

Another common issue that Mercedes A-Class owners may experience is transmission problems. This can manifest as slipping gears, difficulty shifting or unusual noises when driving.

The transmission is a vital component of your car’s drivetrain and if it’s not functioning correctly, it can lead to significant issues down the line. Transmission problems can be caused by a variety of factors, such as worn or damaged components, low transmission fluid levels or even software glitches.

To avoid transmission problems, it’s important to have your car’s transmission fluid regularly checked and changed as recommended by the manufacturer. In addition, it’s important to avoid putting excessive strain on the transmission, such as by overloading the car or frequently accelerating and decelerating rapidly.

Suspension Issues

Mercedes A Class Suspension

The suspension system in your car is responsible for ensuring a smooth ride, absorbing shocks and bumps in the road and keeping the car stable while driving. However, the suspension system can also be a common source of problems in the Mercedes A-Class.

Common suspension issues include worn or damaged shocks or struts, broken or worn suspension components, or misalignment of the wheels. These problems can manifest as a bumpy or uncomfortable ride, uneven tyre wear, or even issues with steering or handling.

To avoid suspension issues, it’s important to have your car’s suspension system regularly checked and maintained by a qualified mechanic. In addition, it’s important to avoid driving on rough terrain or over potholes, as this can put undue stress on the suspension system.

Oil Leaks

Mercedes A Class Engine

Oil leaks are a common problem in many cars, including the Mercedes A-Class. These can be caused by a variety of factors, such as worn or damaged gaskets, seals or oil pan.

Oil leaks can be frustrating and messy, but they can also cause more significant issues down the line if not addressed promptly. Low oil levels can lead to engine damage or failure, which can be costly to repair.

To avoid oil leaks, it’s important to have your car’s oil and oil filter regularly checked and changed as recommended by the manufacturer. In addition, it’s important to have any oil leaks investigated and repaired as soon as possible to avoid further damage to the engine.

Brake Problems

Mercedes A Class Brakes

The brakes in your car are a vital safety feature and if they’re not functioning correctly, it can be a serious issue.

Common brake problems in the Mercedes A-Class include worn or damaged brake pads or rotors, brake fluid leaks or issues with the brake system’s sensors or components. If you notice any unusual noises or vibrations when applying the brakes or if you notice that your car is taking longer to stop than usual, it’s important to have your brakes checked immediately.

It’s important to avoid excessive braking, such as by riding the brakes or applying them too hard, as this can cause unnecessary wear and tear on the brake components.

Loss Of Power

One potential problem affects A-Class models made before June 30th, 2013, where the driveshaft could detach from the wheel hub, causing a loss of power that could be hazardous for the driver and passengers. If you suspect this problem, it’s essential to have your car checked by a mechanic.

Airbag Issue

Mercedes A Class Airbags

Another issue concerns the airbags in some A-Class models produced between September 8th and November 7th, 2014. Due to faulty fuse installation, the front passenger airbag may not deploy during a crash, increasing the risk of injury. The same issue could also affect the functioning of the windscreen wipers. Additionally, some vehicles made between July 31st, 2016, and March 20th, 2017, were recalled due to an airbag igniter problem that could result in incomplete or absent airbag inflation.

Steering Rack Issue

Steering rack failure is a common issue in A-Class models built before 2015, manifesting in a clunking sound while driving. This problem can cause damage to the steering rack, suspension system and wheel bearings, requiring replacement and potentially compromising the car’s stability and handling.

Failing Camshaft

Mercedes A Class

A-Class models manufactured between July 16th and September 11th, 2015, may have a failing camshaft that could break suddenly and cause an instant loss of power while also damaging other internal engine components. It’s essential to check if your car is affected by this issue and take preventive measures if necessary.

While the Mercedes A-Class is a high-quality, luxury vehicle, it is not immune to common problems that can arise over time. By keeping an eye out for these common issues and having your car regularly checked and maintained, you can help ensure that your A-Class continues to provide you with a smooth, safe and enjoyable driving experience for years to come.

To get a online quote for a service from a local garage use our simple quote form. We have a chain of local garages if you are in and around Manchester city centre and North Manchester, Oldham, Bury, Bolton, Rochdale, Stalybridge etc. We also offer a collection and drop off service. A convenient, friendly and affordable service, try Servicing Master once and you’ll never go back. Simply book your car service now or give us a call now on 0161 302 0201

Get A Quote Now

Why waste any more time searching for a reputable professional garage wth a good rate. Simply click the Get Started button below to complete our quick and easy quote form, we’ll do all the work for you and there’s no obligation.

Customer Reviews

A small sample of our thousands of satisfied customers.

Trustpilot ReviewsFacebook Reviews

Hassle Free!

These guys do what they say on the tin. I work for NHS so I am usually always at work these guys collected it while I worked, liaised via email as i couldn’t answer the phone.

Carried out the work and dropped it back off for me, Happy with the service and the nice touch at the end vehicle came back nice and clean!

Craig Hill

Top service, knew straight away what the problem was. Had it back next day which was great, glad I’ve found a garage I can use in the future would defiantly recommend. Even gave my car a wash.

Jack Walker

Had my car service and mot with Bury branch. Excellent service kept me posted with everything they were doing. Professional, friendly and helpful definitely recommend them. Thanks.



Booked online, great realistic price, none of this cheap drag you in and shake you down when you get there. Car collected from work, serviced and mot all done and straight forward, I needed an additional bulb which they rung me and told me.

Car delivered before I finished work and they even gave it a long awaited wash and vacc Lol!

All done from my desk at work defiantly be using them for my wife and daughters vehicles!

Tim Sheply

Great people to deal with. Trusted with my family’s cars for many many years. Great service, go the extra mile. Thoroughly recommend for anyone looking for work on their car whatever the marque.

Alan Rait

Just a quick line, I have finally found a garage where I have complete confidence. Professional and informative, Lisa and Mike are a pleasure to deal with. Thank you.