MercedesC4002015Overview/mercedes/c400/2015/base/

2015 Mercedes C400

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2015 C400.

The 2015 Mercedes C400 carries a 6.9‑quart oil capacity and specifies a viscosity range of 0W‑30, 5W‑30 or 0W‑40 for its lubrication system.

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity6.9 qtOEM · verified
Engine oil type0W-30 / 5W-30 / 0W-40OEM · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI Battery group and CCA will vary by model options and region. Refer to the appropriate service information. · Battery group and CCA will vary by model options and region. Refer to the appropriate service information. CCA battery, OE oil filter 2761800009. 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 Battery group and CCA will vary by model options and region. Refer to the appropriate service information. · Battery group and CCA will vary by model options and region. Refer to the appropriate service information. CCAOEM · verified
Tire sizeP225/45R18; P245/40R18OEM · verified
Wheel / rim7.5, 8.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter2761800009
Engine air filter276094050490
Battery0019828108 alt 0009826925
Front wiper blades2058204503
Thermostat276201068064 alt 2762000600
Cabin air filter1668300218

Service quick specs OEM factory data

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

This engine holds 6.9 qt of 0W-30 / 5W-30 / 0W-40 engine oil, DOT 4 brake fluid. Torque the oil drain plug to 22.1 ft-lbs. The firing order is 1-4-3-6-2-5. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake FluidDOT 4
Engine Oil0W-30 · 5W-30 · 0W-40 · 5W-40 · 5W-50
Engine Oil Capacity6.9 qt
Fuel Tank Capacity18.5 gallons

Engine torques

Intake Manifold to Engine BoltsUpper: 6.6 ft-lbs; Lower: 6.8 ft-lbs
Exhaust Manifold to Cylinder Head Bolts11.8 ft-lbs
Engine Oil Pan Drain Plug22.1 ft-lbs

Ignition

Cylinder Firing Order1-4-2-5-3-6
Cylinder Firing Order1-4-3-6-2-5
Cylinder Firing Order1-4-3-6-2-5
Spark Plug ManufacturerMercedes - Benz
Spark Plug Gap.031 in
Spark Plug Torque17 ft-lbs
Spark Plug ManufacturerMercedes-Benz
Spark Plug Gap0.031 in

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.30-1.41 lbs
Oil GroupPAG
Oil Type46

Service checks

Engine CompressionDiesel psi 333-435 / max variation 43 psi

Brakes

Brake Caliper Bolt to Carrier TorqueFront: 30; Rear: 85 /; Rear: 18
Brake Caliper Carrier to Hub Bolt TorqueFront: 33; Rear: 85 /; Front: 59 Turn; Rear: 44 Turn
ABS Sensor Torque6.6 / NS
Minimum Pad ThicknessFront: 0.079; Rear: 0.079 Vehicle
Vented Rotor Minimum Thickness for ReplacementFront: 1.181; Rear: .764
Vented Rotor Minimum Thickness after RefinishFront: 1.200; Rear: .783

Multi-step torque procedures OEM · verified

Front Wheel Hub — tightening sequence 1 stages
1118.0 ft. lbs., Step 2: Back off 360 degrees, Step 3: 88.0 ft. lbs., Step 4: 90118 ft. lbs
Cylinder Head — tightening sequence 5 stages

Prep Do not reuse old bolts. Coat new bolts lightly with specified motor oil.

1Bolts 1-8 15.0 ft. lbs.15 ft. lbs
2Bolts 1-830 ft. lbs
3Bolts 1-8 90 degrees90 degrees
4Bolts 1-8 90 degrees90 degrees
5Bolt 910 ft. lbs

Reliability & federal safety record

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

8
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 8 campaigns on record for this vehicle.

19V787000CommunicationReported 01/11/2019

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially… Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module…

21V197000Structure:Body:Roof And PillarsReported 19/03/2021

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016… Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and…

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 C400. 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.

Reference guides

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

Frequently asked

How much oil does the 2015 C400 take?

6.9 qt of All temperatures: 0W-30, 5W-30, 0W-40, 5W-40, 5W-50 Meeting MB specification sheet 229.5 or equivalent., per the factory manual.

Does the 2015 C400 have open recalls?

NHTSA lists 8 recall campaign(s) for this model year. Check your specific vehicle by VIN.