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2016 Mercedes Benz Cla Class Recalls, Issues & Maintenance

The 2016 Mercedes Benz Cla Class has no open NHTSA recalls. Owners report 7 recurring issue clusters, led by “Front stationary roof panel bonding and detachment recall.” Mercedes-Benz alternates two service events: Service A (oil, filter, inspection) at roughly 10,000 miles or 1 year, then Service B (Service A plus brake fluid, cabin filter, and deeper checks) at roughly 20,000 miles or 2 years — the ASSYST Plus counter in the cluster tells you which is due. Oil must carry the MB-Approval number your engine specifies (commonly 229.5, or 229.71 for newer 0W-20 engines); 'meets or exceeds' marketing language is not an approval. Electric EQB and EQS models keep the A/B rhythm for inspections, brake fluid, and cabin filters — just without oil.

No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2016 Mercedes Benz Cla Class.

Reported to NHTSA

Front stationary roof panel bonding and detachment recall

STRUCTURE

9 NHTSA complaints · 2021-06 → 2026-08

“My vehicle is exhibiting the same problem as MB Recall Campaign #2021070010 but my MB Vin is not included in the recall even though my make/model of car is on the list. This MB recall campaign is to replace the front stationary sunroof panel”
— Owner report, NHTSA ODI #11744845
“We received a recall notice advising that the stationary roof panel located between the windshield and sunroof was not bonded correctly and could full detach from the vehicle”
— Owner report, NHTSA ODI #11420467
“The contact owns a 2016 Mercedes-Benz CLA250. The contact stated that while driving at approximately 70 MPH, the vehicle made an abnormal sound. The contact noticed that the moonroof had fractured in half and then detached”
— Owner report, NHTSA ODI #11510797

Read all complaints on NHTSA →

Sunroof glass shattering or exploding while driving

UNKNOWN OR OTHER

3 NHTSA complaints · 2017-12 → 2025-10

“The incident that occurred is that my sunroof exploded on me while I was driving. There was know one in front of me nor next to me. Nothing hitting it to cause this, it just exploded”
— Owner report, NHTSA ODI #11696324
“The contact owns a 2016 Mercedes-Benz CLA250. The contact stated that while driving at approximately 55 MPH, there was a loud explosion coming from the vehicle. The contact later pulled over, and upon inspection, discovered that the sunroof glass had shattered”
— Owner report, NHTSA ODI #11601535
“THE SUNROOF SPONTANEOUSLY EXPLODED WITH A LARGE NOISE RAINING GLASS DOWN ON US. THERE WERE NO CARS AROUND, NO OBJECTS HIT THE SUNROOF. WE WERE DRIVING AT NORMAL SPEED ON THE HIGHWAY”
— Owner report, NHTSA ODI #11057168

Read all complaints on NHTSA →

Crankcase ventilation valve fault, code P052E

ENGINE

7 NHTSA complaints · 2022-03 → 2025-02

“Got a check engine light at 72,047 miles. Looked up the code at autozone and it is a P052E. After googling this code, discovered this is an EXTREMELY common issue with 2015 & 2016 c and cla class mercedes”
— Owner report, NHTSA ODI #11465309
“P052E: Positive Crankcase Ventilation Regulator Valve Performance. It is available for inspection upon request. It was a problem that was confirmed by two independent service centers. It first appeared at around 30k miles, then the engine light disappeared”
— Owner report, NHTSA ODI #11500389
“Check engine light with error code P052E. From my research, this is a very common issue with this engine and one that either has been recalled or is planning to be recalled”
— Owner report, NHTSA ODI #11642317

Read all complaints on NHTSA →

Transmission shifts to neutral unexpectedly while driving

POWER TRAIN

5 NHTSA complaints · 2018-12 → 2024-11

“When we are driving the transmission slip intro neutral ramdomly message appear « do not shift in gear, visit dealer » we need to stop the car on the high way put it in park and after in drive”
— Owner report, NHTSA ODI #11606153
“The contact owns a 2016 Mercedes Benz CLA 250. The contact stated that the gear shifter failed. The contact stated that the gear shifted into neutral independently when driving at low speeds. The contact was able to switch the gear back into drive when the failure occurred”
— Owner report, NHTSA ODI #11421996
“I WAS DRIVING MY CLA IN THE RAIN ON THE 405N IN IRVINE, CA AT ABOUT 4PM TO GO TO MY NEW PLACE OF EMPLOYMENT FOR ONBOARDING. I WAS GOING APPROXIMATELY 25-30MPH BECAUSE OF THE WEATHER AND TRAFFIC IT WAS VERY SLOW”
— Owner report, NHTSA ODI #11157040

Read all complaints on NHTSA →

Tire sidewall bubbling and blowout

WHEELS

3 NHTSA complaints · 2016-03 → 2018-11

“THE TIRES BLEW OUT ON THE NJ TURNPIKE WHILE DRIVING APPROXIMATELY 67 MILES PER HOUR. THEY ARE PIRELLI CINTURATO P7 RUN FLAT 225 40R18. ONE OF THE OTHER TIRES HAS A BUBBLE IN IT”
— Owner report, NHTSA ODI #11124464
“WE PURCHASED A BRAND NEW MERCEDES BENZ 2016 5 MONTHS AGO. I AM DRIVING ABOUT 28 MILES FROM MY STARTING POINT AND COME TO FIND TWO OF MY FRONT TIRES WITH AIR BUBBLES. COME TO FIND OUT 1 OF MY TIRES EVENTUALLY POPPED AND THE OTHER STILL HAD AN AIR BUBBLE”
— Owner report, NHTSA ODI #10852483
“I LEASED THIS VEHICLE END OF SEPTEMBER 2016 BUT HAVE REPLACED TIRES 6 TIMES WITHIN LAST TWO YEARS DUE TO BUBBLE IN SIDE OF THE TIRES. I DON'T THINK IT IS ISSUE WITH TIRES SINCE I HAVE 2016 BMW WITH SAME TIRES WITHOUT ANY ISSUES”
— Owner report, NHTSA ODI #11152832

Read all complaints on NHTSA →

Airbag recall unresolved (Takata inflator / clockspring)

AIR BAGS

9 NHTSA complaints · 2017-10 → 2026-06

“STILL NO REMEDY FOR PASSENGER AIRBAG FOR MY 2016 MERCEDES E400. HOW LONG DOES MERCEDES HAVE TO FIX THE PROBLEM?”
— Owner report, NHTSA ODI #11338425
“HELLO, I AM WRITING TO FILE A COMPLAINT THAT I WAS NOT CONTACTED OR INFORMED BY MERCEDES BENZ OR MY DEALER IN BOSTON (MERCEDES BENZ OF BOSTON, HERB CHAMBERS) THAT MY VEHICLE (VIN) WAS AFFECTED BY THE RECENT RECALL REGARDING THE ISSUE WITH THE ELECTROSTATIC DISCHARGE”
— Owner report, NHTSA ODI #11035543
“"TAKATA RECALL" THE DRIVER WAS KILLED IN A CAR ACCIDENT ON MARCH 21ST 2018 AND THE CAR WAS ON A RECALL. THE ACCIDENT WAS AT OCKECHOBEE ROAD, MIAMI, FL WITH 11TH STREET. THE CAR WAS IN MOTION”
— Owner report, NHTSA ODI #11113952

Read all complaints on NHTSA →

Airbag non-deployment or unexpected deployment in a crash

AIR BAGS

4 NHTSA complaints · 2016-12 → 2021-05

“I was involved in an accident and hit on the drivers side front and back door. I thought it was weird the airbags did not deploy. I had over $100k in medical bills and still require another surgery”
— Owner report, NHTSA ODI #11418261
“TL* THE CONTACT OWNS A 2016 MERCEDES-BENZ CLA250. WHILE DRIVING AT SLOW SPEEDS, THE PASSENGER SIDE AIR BAG DEPLOYED WITHOUT WARNING OR IMPACT. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DRIVER'S SIDE UNDERCARRIAGE WAS DAMAGED”
— Owner report, NHTSA ODI #10966079
“TL* THE CONTACT RENTED A 2016 MERCEDES-BENZ CLA250. WHILE DRIVING 45 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE REAR OF ANOTHER VEHICLE. THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO OPERATE AS INTENDED”
— Owner report, NHTSA ODI #10935452

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 11, 2026. Investigation data refreshed Sep 11, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Service A — Oil & Filter + Inspection

Every 10,000 mi

Every 10,000 miles or 12 months: oil and filter with MB-Approved oil, fluid top-offs, tire check, and inspection. AMG models driven hard: many owners service at 5,000-7,500 miles.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Service B — Major Inspection

Every 20,000 mi

Every 20,000 miles or 2 years, alternating with Service A: everything in A plus brake-fluid replacement, cabin filter, and a deeper multi-point inspection of brakes, suspension, and driveline.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free with any paid service. A flashlight and 10 minutes covers the basics yourself.

Tire Rotation

Every 10,000 mi

Rotate at every Service A where the tire sizes allow. Many AMG and 4MATIC+ models run staggered widths that can't rotate front-to-rear — check your spec before paying for a rotation.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 10,000 mi

Checked at every A/B service via electronic pad-wear sensors. Replace sensors with pads. Heavy EQS models wear pads slowly (regen braking) but rotors can corrode from disuse — an inspection catches that.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 20,000 mi

Replaced every 2 years as part of Service B — Mercedes schedules it on time, not miles, because DOT 4 fluid absorbs moisture regardless of driving.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Automatic Transmission Fluid (7G / 9G-Tronic)

Every 70,000 mi

Mercedes specifies fluid and filter service around 70,000 miles on most 7G- and 9G-Tronic gearboxes — check your year's sheet. Use only the MB-spec fluid for your transmission code; independent specialists often service at 60,000 on hard-driven cars.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 60,000 mi

Most modern MB gas engines: plugs around 60,000 miles — AMG engines often sooner. Check your engine's sheet; twin-turbo V8 plug jobs are labor-heavy, so pair with other scheduled work.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Engine Air Filter

Every 40,000 mi

Replace around every 40,000 miles (twin-filter setups on V6/V8 engines double the parts bill). Inspected at every Service B.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Combination / Dust Filter

Every 20,000 mi

Replaced with every Service B. Models with the ENERGIZING air package use a higher-grade filter — priced accordingly.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Engine Coolant

On condition / lifetime

MB-spec coolant is long-life (typically ~10 years / 150,000 miles on the sheet). Refresh only with MB 325/326-spec coolant — the wrong chemistry attacks aluminum and head gaskets.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

12V & Auxiliary Battery

Every 25,000 mi

Test annually after year 3. Most modern Mercedes carry a second auxiliary battery; a weak one triggers cascading warning messages long before a no-start. EQ models also depend on the 12V system to boot.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

11 crashes 2010–2024

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

5

complaints mentioning a crash

1

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2016 Mercedes Benz Cla Class reflects Mercedes-Benz's published service intervals and the ASSYST Plus (Service A / Service B) system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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