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MERCEDES-BENZ EQB (2022–2024) — Technical Guide, Fault Codes & Maintenance
Built 2022–2024 · all production years covered on this single page
350 4MATIC Dual Motor AWD • Electric
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An independent value score for the Mercedes-Benz Eqb (2022–2024) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliabilityn/a
Safety & recallsn/a
Repair cost8.2
Parts & repairability7.3
Maintenance & durability6.2
Documentation & supportn/a
Independent · Verified · Never for sale
Every figure on this Mercedes-Benz Eqb (2022–2024) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
Its battery is group H8 (BCI), rated at 360A cold-cranking amps. It is a fully electric vehicle (350 4MATIC Dual Motor AWD). Its OEM tyre size is 215/55 R16. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Scheduled maintenance
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Complaints
Workshops nearby
COMMON PROBLEMS
Transmission fault signal (TCM)MODERATE
The transmission module detected a fault — check separate transmission codes.
Related codes: P0700
Misfire / Loss of cylinderMODERATE
Rough running, idle vibration, power loss.
Related codes: P0300
Thermostat: coolant temperature lowLOW
Thermostat stuck open — engine does not reach operating temperature.
Related codes: P0128
Battery/system voltage lowLOW
System voltage below 10V — check alternator, battery or wiring.
Related codes: P0562
P0011LOW
Check with an OBD2 scanner.
Related codes: P0011
COMMON REPAIRS
Front brake pads
Difficulty: Medium
1.1h
€77 – €99
Rear brake pads
Difficulty: Medium
1.2h
€84 – €108
ABS Module
Difficulty: Hard
2.7h
€189 – €243
ABS Pump
Difficulty: Hard
3.4h
€238 – €306
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
OFFICIAL LABOUR TIMES (OLP)
Standard labour hours from a database of 6.6M+ real shop operations, with an indicative labour-cost estimate for your country.
Brakes8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| ABS Module | 2.7h | € 121–€ 202 |
| ABS Pump | 3.4h | € 153–€ 255 |
| ABS Tone Ring | 2.0h | € 90–€ 150 |
| ABS Wheel Speed Sensor - Front | 1.1h | € 49–€ 82 |
| ABS Wheel Speed Sensor - Rear | 1.1h | € 49–€ 82 |
| Brake Bleed - All Four | 1.4h | € 62–€ 105 |
| Brake Booster | 3.4h | € 153–€ 255 |
| Brake Booster Check Valve | 0.4h | € 18–€ 30 |
Cooling8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Cooling Fan Assembly | 1.4h | € 62–€ 105 |
| Cooling Fan Clutch | 3.9h | € 175–€ 292 |
| Cooling Fan Motor | 2.0h | € 90–€ 150 |
| Cooling Fan Relay | 0.4h | € 18–€ 30 |
| Engine Oil Cooler | 3.9h | € 175–€ 292 |
| Heater Control Valve | 3.9h | € 175–€ 292 |
| Heater Core | 3.9h | € 175–€ 292 |
| Heater Hoses | 3.9h | € 175–€ 292 |
Electrical8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Airbag - Driver | 1.4h | € 62–€ 105 |
| Airbag - Passenger | 2.0h | € 90–€ 150 |
| Airbag - Side | 2.7h | € 121–€ 202 |
| Airbag Module/Computer | 1.4h | € 62–€ 105 |
| Amplifier | 2.0h | € 90–€ 150 |
| Antenna | 0.7h | € 31–€ 52 |
| Backup Camera | 1.4h | € 62–€ 105 |
| Battery | 0.4h | € 18–€ 30 |
Engine8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Camshaft Position Sensor | 10.4h | € 468–€ 780 |
| Connecting Rod Bearings | 10.4h | € 468–€ 780 |
| Crankshaft Position Sensor | 10.4h | € 468–€ 780 |
| Engine R&R | 15.6h | € 702–€ 1170 |
| Freeze Plug - Single | 10.4h | € 468–€ 780 |
| Freeze Plugs - All | 13.5h | € 607–€ 1012 |
| Front Main Seal | 10.4h | € 468–€ 780 |
| Harmonic Balancer | 10.4h | € 468–€ 780 |
Fuel system3 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Charcoal Canister | 3.3h | € 148–€ 247 |
| EVAP Purge Valve | 3.3h | € 148–€ 247 |
| EVAP Vent Valve | 3.3h | € 148–€ 247 |
HVAC8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| AC Accumulator | 2.0h | € 90–€ 150 |
| AC Clutch Coil | 2.0h | € 90–€ 150 |
| AC Compressor | 3.4h | € 153–€ 255 |
| AC Compressor Clutch | 2.7h | € 121–€ 202 |
| AC Compressor Oil Add | 0.7h | € 31–€ 52 |
| AC Condenser | 3.4h | € 153–€ 255 |
| AC Evaporator | 8.1h | € 364–€ 607 |
| AC Expansion Valve (TXV) | 5.4h | € 243–€ 405 |
Steering8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Center Link/Drag Link | 2.0h | € 90–€ 150 |
| Electric Power Steering Module | 2.0h | € 90–€ 150 |
| Electric Power Steering Motor | 3.4h | € 153–€ 255 |
| Idler Arm | 1.4h | € 62–€ 105 |
| Pitman Arm | 1.6h | € 72–€ 120 |
| Power Steering Fluid Flush | 0.7h | € 31–€ 52 |
| Power Steering Gear Box | 4.7h | € 211–€ 352 |
| Power Steering Hose - High Pressure | 1.4h | € 62–€ 105 |
Suspension8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Air Line | 1.4h | € 62–€ 105 |
| Air Spring/Air Bag | 2.0h | € 90–€ 150 |
| Air Suspension Compressor | 2.0h | € 90–€ 150 |
| Air Suspension Height Sensor | 1.4h | € 62–€ 105 |
| Air Suspension Valve Block | 2.7h | € 121–€ 202 |
| Ball Joint - Lower | 2.4h | € 108–€ 180 |
| Ball Joint - Upper | 2.0h | € 90–€ 150 |
| Ball Joints - Upper and Lower | 4.1h | € 184–€ 307 |
Transmission8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Clutch Hydraulic Line | 7.8h | € 351–€ 585 |
| Dual Mass Flywheel | 7.8h | € 351–€ 585 |
| Kickdown Cable | 7.8h | € 351–€ 585 |
| Manual Trans Fluid Change | 7.8h | € 351–€ 585 |
| Neutral Safety Switch | 7.8h | € 351–€ 585 |
| Overdrive Solenoid | 7.8h | € 351–€ 585 |
| Pressure Plate | 7.8h | € 351–€ 585 |
| Shift Cable | 2.0h | € 90–€ 150 |
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
🔧 SCHEDULED MAINTENANCE
Brake Fluid Flush And Replacement24 months
Engine Oil And Filter Change (Service A)16,000 km / 12 months
Check All Fluid Levels (Service A)16,000 km / 12 months
Inspect Brake System (Service A)16,000 km / 12 months
Tire Inflation Check And Rotate (Service A)16,000 km / 12 months
Check Cabin Air Filter, Wiper Blades (Service A)16,000 km / 12 months
Check Battery And Charging System (Service A)16,000 km / 12 months
Engine Air Filter Replacement (Service B)32,000 km / 24 months
📋 RECALLS & TSB (0)
No official recall verified for this vehicle in the NHTSA database.
COMMON OBD2 CODES TO CHECK
P0420
P0420
Powertrain
P0171
P0171
Powertrain
P0300
P0300
Powertrain
P0128
P0128
Powertrain
P0455
P0455
Powertrain
P0700
P0700
Transmission
P0442
P0442
Powertrain
P0172
P0172
Powertrain
P0401
P0401
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P0455
powertrain
LOW⏱ 0.62h avgP0442
powertrain
LOW⏱ 0.62h avgP0440
powertrain
LOW⏱ 0.78h avgP0420
powertrain
MEDIUM⏱ 1.24h avgP0300
powertrain
HIGH⏱ 1.22h avgP0172
powertrain
MEDIUM⏱ 1.13h avgP0171
powertrain
MEDIUM⏱ 0.95h avgP0730
transmission
MEDIUM⏱ 1.25h avgP0700
transmission
HIGH⏱ 1.25h avgP0401
powertrain
MEDIUM⏱ 1.25h avgP0011
powertrain
MEDIUM⏱ 5.4h avgU0100
network
HIGHP0562
electrical
MEDIUM⏱ 0.58h avgP0128
powertrain
MEDIUM⏱ 0.88h avg
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
REPORTED COMPLAINTS & PROBLEMS (NHTSA)
85 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Mercedes-Benz Eqb across model years 2022–2024. These are real, verified reports submitted by vehicle owners.
4 crash reports
Complaints by model year (most reported first)
Model year 202377
Model year 20248
Most reported components (all years)
Electrical System57
Fuel/Propulsion System13
Unknown Or Other12
Engine8
Power Train4
Service Brakes3
Sample reports
The EQB is advertised by Mercedes of having a range of 232 to 260 miles. The actual range currently is 145 miles, far less than what Mercedes advertises. I understand winter charging decrease range but not by 38 percent. That’s not ac… (MY 2023)
Since new in April 2023, I have had 6 flat tires in less than 12,000 miles. Always the same failure mode: tearing by rock chips. I have been advised by the Mercedes dealer that at my own expense, I can replace the tires. The tire dealer… (MY 2023)
Mercedes built the car with a faulty battery and now they want to provide an "update" to the car that makes it worse: reduced battery life and slower charging times. So I have to choose between only charging my car to 80% or taking their… (MY 2023)
Within one week of car purchase, the car is alerting that the SRS system is not working and it needs to be taken to a dealership. Dealership doesn't have am timeline on when they will be able to fix it. (MY 2023)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2022–2024.
Frequently Asked Questions
What does fault code P0300 mean on the Mercedes-benz Eqb?
Random/Multiple Cylinder Misfire Detected This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0128 mean on the Mercedes-benz Eqb?
Coolant temperature below thermostat regulating temperature — thermostat stuck open or faulty This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0011 mean on the Mercedes-benz Eqb?
A Camshaft Position Timing Over-Advanced or System Performance (Bank 1) This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
Are electrical problems common on the Mercedes-benz Eqb?
Yes — 59 of 82 real owner reports filed with NHTSA mention the electrical. One owner reported: “Compounded Electrical Failures In addition to the battery defect, this specific vehicle has exhibited recurring electrical malfunctions, including: Total failure of the backup cameras and parking sens…” See the owner-reported complaints section below for more.
What tyres does the Mercedes-Benz Eqb (2022–2024) use?
The original OEM tyre size for the Mercedes-Benz Eqb (2022–2024) is 215/55 R16. Compatible alternative sizes: ["235/55R18", "235/45R20", "245/45R19", "235/50R19", "215/60R18"]. See the Tyres section on this page to compare offers from the main suppliers.
What is the right battery for the Mercedes-Benz Eqb (2022–2024)?
The battery specified for the Mercedes-Benz Eqb (2022–2024) is group H8 (BCI), with a cold cranking rating of 800A. See the Battery section on this page for the main cross-references between brands.
Which OBD2 fault codes are commonly documented for the Mercedes-Benz Eqb (2022–2024)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Mercedes-Benz Eqb (2022–2024) be serviced?
Routine maintenance for the Mercedes-Benz Eqb (2022–2024) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Considering buying a Mercedes-Benz Eqb (2022–2024)? Use this guide to check expected maintenance costs, the most reported fault codes and parts availability on the market. Real data, zero commercial estimates.