MercedesCLA2502020Overview/mercedes/cla250/2020/base/

2020 Mercedes CLA250

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 CLA250.

The 2020 Mercedes CLA250 is defined by its designation in this overview, framing the vehicle's core identity for that specific model year. While standout specifications and underlying platform details remain confined to this baseline classification, the CLA250's fundamental composition anchors the research framework without introducing unverified metrics. Consequently, evaluating where the 2020 iteration sits within the model's historical reliability record provides the necessary context for understanding its long-term viability and ownership implications based strictly on the available data.

Model year20202015

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 48 Battery must be carefully sized to fit as the manufacturer of the battery used many size batteries. AGM VRLA Battery is required and is vented outside of the vehicle. Auxilliary: 400 AGM VRLA Battery is required and is vented to the outside of the vehicle. · 70 O.E. AmpHrs; Auxilliary: 12.0 O.E. AmpHrs; Battery Backup: 1.2 O.E. AmpHrs CCA battery, OE oil filter 000997250564. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 48 Battery must be carefully sized to fit as the manufacturer of the battery used many size batteries. AGM VRLA Battery is required and is vented outside of the vehicle. Auxilliary: 400 AGM VRLA Battery is required and is vented to the outside of the vehicle. · 70 O.E. AmpHrs; Auxilliary: 12.0 O.E. AmpHrs; Battery Backup: 1.2 O.E. AmpHrs CCAOEM · verified
Tire size225/45R18 91HOEM · verified
Wheel / rim7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter000997250564 alt 0009972405
Engine air filter2600940300
Spark plug0001590500
Battery0019828008
Front wiper blades1778209800
Thermostat2602002900
Cabin air filter2478300604

Diagrams

Power distribution wiring7 sheets

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.52 lbs
Oil GroupPAG
Oil Type46
Oil Capacity2.80 oz
Standard BCI Group Number48
Standard BCI Cranking Performance70
Optional BCI Group Number48

Brakes

Brake Caliper Bolt to Carrier TorqueRear: 22.0 ft-lbs
ABS Sensor TorqueFront: 6.0; Rear: 6.0
Vented Rotor Minimum Thickness for ReplacementFront: 1.102; Rear: .406; Front: 1.078; Rear: .406

Multi-step torque procedures OEM · verified

Brake Caliper Carrier to Hub Bolt Torque — tightening sequence 1 stages
1M12 Bolts89 ft. lbs
Cylinder Head — tightening sequence 1 stages

Prep M11 Bolts: Step 1: 7.4 ft. lbs., Step 2: 29.5 ft. lbs., Step 3: 90°, Step 4: 90°, Step 5: 90°

614.8

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

2
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

21V989000Steering:Electric Power Assist SystemReported 17/12/2021

Mercedes-Benz USA, LLC (MBUSA) is recalling one 2020 CLA250 vehicle. The power supply connection to the electric power steering may have been contaminated with melted adhesive, which can cause the power steering assist… Remedy: A dealer will inspect and repair the power supply connection, as necessary, free of charge. The owner notification letter was mailed January 21, 2021. Owners may contact MBUSA…

23V732000Service Brakes, Hydraulic:Foundation Components:Disc:PadsReported 01/11/2023

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2020 A220, 2020 CLA250, GLB250, AMG A35, AMG CLA45, AMG CLA35, and 2021 GLA250 vehicles. The vehicles may not be equipped with an inspection gauge to check the… Remedy: Dealers will install an inspection gauge and provide supplemental owner's manual information, free of charge. Owner notification letters were mailed on February 29, 2024. Owners…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific CLA250. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Fuse box & wiring diagrams

Interactive fuse-box and wiring references for this vehicle, searchable by circuit.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2020 CLA250 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.