2023 Mercedes-Benz S-Class
Specs, maintenance, fault codes, recalls and repair help for the 2023 Mercedes-Benz S-Class, in one place.
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Vehicle information
Make: Mercedes-Benz
Model: S-Class
Model year: 2023
Class: Passenger vehicle
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Common problems
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Fluids & capacities · 3.0L Turbo I6
- A/C Refrigerant · R-1234yf
- Brake Fluid · DOT 4 low viscosity (MB 331.0)1 qt / 0.95 L
- Coolant · MB 325.6 antifreeze concentrate mixed 50/50 (MB 325.6)11.5 qt / 10.88 L
- Engine Oil · 0W-20 full synthetic (MB 229.71)8.5 qt / 8.04 L
- Power Steering · none — electric power steering
- Automatic Transmission · MB 236.17 ATF (MB 236.17)9.5 qt / 8.99 L
- Washer Fluid · windshield washer fluid concentrate6.3 qt / 5.96 L
Source: Open Labor Project · Confirm with your owner's manual
Key torque specs
- Caliper Mounting Bolts68 lb-ft / 92 N·m
- Wheel Lug Nuts133 lb-ft / 180 N·m
- AC Line Fittings16 lb-ft / 21 N·m
- Compressor Bolts26 lb-ft / 35 N·m
- AC Compressor Bolts18 lb-ft / 25 N·m
- Expansion Valve Fitting8 lb-ft / 11 N·m
- Battery Terminal Bolts5 lb-ft / 7 N·m
- Ground Strap Bolts10 lb-ft / 14 N·m
- Manifold Nuts26 lb-ft / 35 N·m
- Strut Bolts89 lb-ft / 121 N·m
- Sway Bar Link47 lb-ft / 64 N·m
- Control Arm Bolts100 lb-ft / 136 N·m
Source: Open Labor Project · Estimated values; verify in the service manual
Maintenance
Service intervals (normal driving)
- Engine oil and filter5,000 mi / 12 mo
- Tire rotation5,000 mi / 6 mo
- Cabin air filter20,000 mi / 24 mo
- Engine air filter40,000 mi / 48 mo
- Spark plugs60,000 mi
- Brake fluid flush24 mo
- Engine coolant flush150,000 mi / 180 mo
- 9-speed automatic transmission fluid and filter80,000 mi
- Rear differential fluid80,000 mi
- Transfer case fluid80,000 mi
- Drive belt inspection40,000 mi / 48 mo
- Brake system inspection10,000 mi / 12 mo
- Tire pressure and condition check10,000 mi / 12 mo
- Suspension and steering inspection10,000 mi / 12 mo
Source: Open Labor Project · Draft schedule; your owner's manual is the final word
Electrical
Battery
- Group H8 AGM · 850 CCA · 92 Ah · 170 min RC
- Group AUX-S agm (auxiliary) · 12 Ah
Source: Open Labor Project
Parts & fitment
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Repair costs
Estimated labor times
- 100K Service4.2–6.2 hr
- 30K Service3–4.4 hr
- 60K Service4.2–6.2 hr
- 90K Service4.2–6.2 hr
- ABS Module1.5–2.3 hr
- ABS Pump2.6–3.8 hr
- ABS Tone Ring - Front1.4–2.1 hr
- ABS Tone Ring - Rear1.5–2.3 hr
- ABS Wheel Speed Sensor - Front1–1.6 hr
- ABS Wheel Speed Sensor - Rear1–1.6 hr
- AC Accumulator1.8–2.6 hr
- AC Clutch Coil1.8–2.6 hr
- AC Compressor2.4–3.6 hr
- AC Compressor Clutch3–4.4 hr
- AC Compressor Oil Add1.2–1.8 hr
Source: Open Labor Project · Estimates, not book times. Shops may quote differently
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Other Mercedes-Benz S-Class years
Sources
Fluids, battery, torque, service intervals and estimated labor times: Open Labor Project. Recalls and complaints: NHTSA. Fuel economy and configurations: FuelEconomy.gov.
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