Last updated: 2026-10-10
Mercedes-Benz C-Class Electrical Problems
Mercedes-Benz C-Class owners report battery faults that cut drive power or block starting, and a smaller number of cars have caught fire.
- Owner complaints
- 323
- Share of all complaints
- 18%
- Crash / fire / injury reports
- 12 / 15 / 8
- Related recalls
- 43
C-Class electrical complaints by model year
Model years 2021 and 2020 have the most electrical complaints, at 75 and 64, and they also lead once sales are counted. 2019 follows with 55, then 2018 and 2022 with 42 and 40. 2023 has 38. Those mid-range years are all on the radar for battery and power loss reports. 2024 has only 9 and 2026 has none. Those years are too new to judge, because complaints build up with time on the road. Few filings there say little about how the cars will hold up.
- 201842 · 7.7/10k sold
- 201955 · 11.3/10k sold
- 202064 · 25.5/10k sold
- 202175 · 24.3/10k sold
- 202240 · 15.3/10k sold
- 202338 · 11.6/10k sold
- 20249 · 2.5/10k sold
Owner complaints filed with NHTSA under electrical system. Newer model years have had less time to collect complaints.
What goes wrong
Most electrical complaints trace back to the batteries and the power they feed. A warning about the 48-volt or 12-volt battery appears, and then the car loses drive power, refuses to start, or shuts off. Instrument clusters and center screens can go black while driving, taking safety displays with them. Rear camera blackouts and a stop/start system that fails to restart the engine at a light also come up. Many filings in this group name other Mercedes models, so part of the pattern comes from sister cars.
The risk is real. Fire or smoke reports show up in model years 2019 through 2023, including cars that burned while parked or minutes after a start. Several owners describe losing power in traffic or at highway speed. Crash reports exist too, though the 2018 and 2024 ones are mostly about the car surging forward at parking speed. Some burned cars were declared total losses. Many battery failures come early in the car's life, so a newer car is not automatically safe from them.
Symptoms owners report
Battery warning, then power loss
A 48-volt or 12-volt battery message appears, sometimes with a coolant-too-hot alert. The car then loses drive power and coasts to a stop. Some restart normally. Others are dead and cannot be jump-started, often within the first few thousand miles.
Smoke and fire
Owners describe a burning smell, then smoke or flames. Cases include a stop at a light, a remote start, a car parked in a driveway after a 12-volt battery warning, and smoke from under the passenger seat. Several cars were total losses.
Screens and cluster going black
The instrument cluster or center screen blanks while driving. Climate, audio, cameras and driver aids can go with it. One owner reported a black cluster and a failed brake pedal at about 5 mph before hitting a building wall. Dealers often find no codes.
No-start and stop/start failure
Owners report a car that will not start, a 12-volt battery that keeps draining, and a stop/start system that does not bring the engine back at a green light. One owner had to shift to park and restart with a truck approaching.
Rear camera blackouts
The rear camera goes dark when reversing, mostly in 2020 reports. Some owners say a recall exists but their VIN was left off the list, or the recall work is still not done.
Surging at parking speed
Crash reports from 2018 and 2024 describe the car accelerating by itself while nearly stopped, hitting a wall, curbs or a glass door. Owners say the brakes did not stop it, and in 2024 reports no warnings sounded.
When the problems start
Many battery problems show up early. Owners in 2021 describe failures within the first few thousand miles, 2022 reports often start under 3,600 miles, and 2023 owners cite the first 4,000 miles, some on delivery day. One 2020 fire happened with under 15,000 miles on the car. A 2024 C300 stalled at about 8,000 miles. Another 2020 report describes melted engine harness insulation at 36,000 miles.
Repairs and recalls
Owners often say the dealer finds no codes, applies a software update, or sends the car home with the problem returning. In 2021 several waited weeks for replacement 48-volt batteries shipped from Germany. Some 2019 owners could not get recall parts. Federal recall records list C-Class campaigns covering a battery mounting bracket (2018 to 2019), a starter battery pole cover (2018), a signal acquisition module cover (2022), and main fuse boxes (2023 to 2024). Recall repairs are free at dealers. Our data has no repair cost figures for the C-Class.
| Model years | Campaign | Problem |
|---|---|---|
| 2024 | 26V073000Park outside | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 EQB 250+, 2022-2024 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or… |
| 2024 | 25V240000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 E 350 4MATIC, E 450 4MATIC All-Terrain, and E 450 4MATIC vehicles. The 12-Volt and 48-Volt ground connections for the electrical wiring harness may not be… |
| 2023, 2024 | 24V115000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C300, AMG C43, S580e, S580, Maybach S580, Maybach S680, AMG SL43, AMGSL63, GLC300, EQE350, EQE500, EQS450, EQS580, AMG EQS, 2023 S500, AMG SL55, AMG EQE,… |
| 2023, 2024 | 25V129000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 AMG GT 63 S E Performance 4-door coupe, 2025 AMG GLC 63 S E Performance, GLC 63 S E Performance Coupe, AMG GT 63 S E Performance, 2023-2025 AMG S 63 E… |
| 2024 | 25V050000Park outside | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 EQB 250, EQB 300 4MATIC, and EQB 350 4MATIC electric vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or… |
| 2023 | 23V309000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 EQE 350, S580e, 2022-2023 EQS 450, EQS 580, 2022 AMG EQS 53, and EQS 450+ vehicles. The high-voltage battery monitoring system software may not alert the driver… |
| 2022, 2023 | 23V554000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 Maybach S580 and Maybach S680 vehicles. The 12-Volt ground connection in the trunk may not be secured properly, which can impair the electronic stability… |
| 2022, 2023 | 23V462000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power. |
| 2022, 2023 | 23V463000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The ground connections for the electrical wiring harness may not be secured properly, which can result in the electrical… |
| 2023 | 24V371000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 AMG C43 4MATIC vehicles, equipped with AMG Performance seats. The seat wiring harness may be incorrectly routed, which can cause it to become damaged when the… |
| 2023 | 25V255000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C-Class, E-Class, S-Class, SL, GLC, EQE SUV, EQE, EQS SUV, and EQS vehicles that were incorrectly repaired under recall 24V-115. An incorrect fuse box that… |
| 2020, 2021, 2022, 2023 | 24V207000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and… |
| 2023 | 23V574000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 E450, E350, AMG E63 S, AMG E53, CLS450, AMG GT53, and AMG GT43 vehicles. Due to a software error, the exit warning system audio and visual warnings may fail to… |
| 2021, 2022, 2023 | 24V100000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 CLS450, E450, E450 All-Terrain, AMG E53, AMG GT43, AMG GT53, and 2021 AMG CLS53 vehicles. The 48-volt ground cable connection located in the engine… |
| 2019, 2020, 2021, 2022, 2023 | 24V445000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLS 53 4MATIC, 2019-2023 E 53 4MATIC Cabriolet, E 53 4MATIC Coupe, E 53 4MATIC Sedan, 2021-2024 GT 43 4MATIC, and 2019-2025 GT 53 4MATIC vehicles. The… |
| 2022, 2023 | 24V446000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C 300 vehicles. The bolt securing the electrical wire to the pre-fuse box could be improperly tightened, causing the wire to overheat. MBUSA's number for… |
| 2022, 2023 | 23V676000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG SL55 and AMG SL63 vehicles. The electrical wiring harness for the starter and alternator may not be secured properly, which can result in a short… |
| 2021, 2022 | 24V724000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 GLE 350 and 2021-2022 GLE 450 vehicles. The front acceleration sensor's wiring harness may be routed incorrectly, which can prevent the front air bags from… |
| 2021, 2022 | 23V835000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 GLE350 and GLE450 vehicles. A 12-Volt ground connection under the driver seat may not be secured properly, resulting in the ground connection overheating. |
| 2018, 2019, 2020, 2021, 2022 | 22V365000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and… |
| 2020, 2021, 2022 | 22V231000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt for the 48V ground… |
| 2019, 2020, 2021, 2022 | 22V733000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 CLS450 Coupe and AMG E53, 2019-2021 AMG CLS53 Coupe, and 2021-2022 E450 vehicles. The 12-Volt battery in the trunk may not be properly secured, which, in… |
| 2019, 2020, 2021, 2022 | 22V533000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2022 AMG GT43, 2019-2022 AMG E53, E53 Coupe, E53 Cabriolet, AMG GT53, and 2019-2021 AMG CLS53 vehicles. The transmission wiring harness may be misrouted, which… |
| 2022 | 22V678000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 C300 vehicles. Moisture accumulation in the trunk may leak into the signal acquisition module (SAM), causing an electrical short circuit. |
| 2021, 2022 | 21V931000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 S580, 2022 EQS450, EQS580, and S500 vehicles with an active and connected Mercedes me connect account. The MBUX infotainment system might allow activation of the… |
| 2018, 2019, 2020, 2021 | 21V217000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2021 E63S AMG, E63S AMG Wagon, 2019-2021 AMG GT63 4-door, and AMG GT63S 4-door vehicles. The starter motor positive cable may not have been installed correctly,… |
| 2020, 2021 | 23V097000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes… |
| 2018, 2019, 2020, 2021 | 21V058000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class,… |
| 2021 | 21V909000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLE450 and AMG GLE53 vehicles. In the passenger-side footwell, the ground connection bolts for the electric heater may be improperly tightened. |
| 2020, 2021 | 20V089000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 CLA250, CLA250 4MATIC and CLA35 AMG 4MATIC, 2020-2021 GLE350, GLE350 4MATIC, GLE450 4MATIC, GLS450 4MATIC and GLS580 4MATIC and 2021 GLE53 AMG Coupe, GLE63S AMG… |
| 2020 | 21V124000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 CLA45 AMG vehicles equipped with 4-cylinder gasoline engines. Incorrect spark plugs may have been installed, which could come apart over time and cause engine… |
| 2020 | 22V098000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLE 350 vehicles. The wiring harness connected to the prefuse box in the engine compartment might not be properly secured, which could deactivate fused… |
| 2019, 2020 | 20V395000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 C63 AMG, C63 AMG S, AMG GT 53, AMG GT 63, AMG GT 63 S, and 2020 GLC 63 AMG, GLC 63 AMG S vehicles. An incorrect Electronic Stability Program (ESP) software… |
| 2020 | 21V526000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB 250 vehicles. The accessory power outlet for the second-row seating may have excessive voltage due to an incorrect voltage converter socket. |
| 2020 | 20V626000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE 350, GLE 450, GLE 580, GLS 450, GLS 580 vehicles equipped with an optional illuminated Mercedes-Benz star logo in the front grill. The star logo's… |
| 2020 | 20V226000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE 350 and GLE 450 vehicles equipped with an electrically adjustable second-row seat. The wiring harness under the seat may become pinched during seat… |
| 2019 | 20V416000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 A220 vehicles. The air conditioning condensation drain hose may not be installed properly. This may allow water to enter the driver and passenger foot wells… |
| 2018, 2019 | 20V449000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previously had the… |
| 2019 | 19V605000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 CLS 450 Coupe and CLS 450 Coupe 4MATIC vehicles equipped with 6-cylinder gasoline engines. The electrical line that supplies power to the engine coolant pump… |
| 2018, 2019 | 19V586000 | Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 C300, C300 4MATIC, and C43 AMG 4MATIC vehicles. The mounting bracket for the 12-volt battery may not be secured. This may allow the battery to shift,… |
| 2018, 2019 | 20V776000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2020 AMG GLC 63 4MATIC vehicles. The power supply cable on the starter might not have been installed correctly, possibly allowing the cable to chafe against the… |
| 2019 | 18V761000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz C300, C300 4Matic, C300 4Matic Cabrio, C300 4Matic Coupe, C300 Coupe, C300 Cabrio, C43 AMG, C43 AMG Cabrio, C43 AMG Coupe, CLS450, CLS450 4Matic,… |
| 2018 | 18V725000 | Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 4Matic Coupe, C300 4Matic Cabrio, E300, E300 4Matic, C300, C300 4Matic, C300 Coupe and C300 Cabrio vehicles. The cover for the starter battery… |
Checking a used C-Class for electrical problems
- Run the VIN through the federal recall lookup and confirm every electrical recall is completed, not just listed.
- Ask for service records showing any 12-volt or 48-volt battery replacements, and what warnings came before them.
- Start the car cold and check that no battery, coolant or warning messages appear on the cluster.
- Test the center screen, instrument cluster and rear camera for blackouts during a drive of at least 20 minutes.
- Check that stop/start restarts the engine at lights, and smell the cabin and engine bay for burning plastic.
- Ask the seller about any surging or hesitation while parking, and have a mechanic scan for stored fault codes.
43 electrical recalls cover the Mercedes-Benz C-Class. A VIN check shows whether the car you're looking at had its recall work done, plus accident and title history.
Mercedes-Benz C-Class Electrical Problems: common questions
- Which Mercedes-Benz C-Class years have the most electrical problems?
- Model years 2021 and 2020 have the most complaints, with 75 and 64, and the highest rates once sales are counted. 2019 is next with 55. 2024 and 2026 show few or none, but they are too new to treat as better.
- Is it safe to drive a C-Class with an electrical warning?
- Treat battery warnings seriously. Owners report the car shutting off or losing drive power soon after one appeared, sometimes in traffic. A few describe smoke or fire after a battery warning. Have a dealer check it before driving much.
- Does a recall cover C-Class electrical problems?
- Some recalls do. Federal records list C-Class campaigns for the battery bracket, starter battery cover, a trunk moisture cover, pre-fuse box wiring and main fuse boxes, depending on year. Check your VIN, because coverage is by year and build.
- How much does a C-Class electrical repair cost?
- Our data has no reliable repair cost for the C-Class. Recall repairs are free at dealers. Outside a recall, owners describe repeat dealer visits where the fault is not found or comes back, so get a written diagnosis first.
- Do 2022 and 2023 C-Class models still have electrical complaints?
- Yes. Owners of both years report 48-volt and 12-volt battery faults, sudden power loss and black screens, many under 4,000 miles. Recalls for 2022 and 2023 C300 wiring, ground connections and fuse boxes also appear in federal records.
More on the Mercedes-Benz C-Class
See incorrect data? Report an issue