2010 Mercedes-Benz S550 Service and Repair Manual

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Factory-Grade Data

2010 Mercedes-Benz S550 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Sedan 4-Door
  • 4Matic Sedan 4-Door

Engines covered

  • 5.5L 5461CC 333Cu. In. V8 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2010 Mercedes-Benz S550 Recalls & Complaints

No active recalls The 2010 Mercedes-Benz S550 has no recalls on file with NHTSA.
TSB #11031580

Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compe

TSB #11029959

Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compen

TSB #11029062

Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment o

TSB #11029025

Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compen

TSB #11028989

Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment o

TSB #11025648

Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the

TSB #11023193

Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission control unit Y3/8n4 Remedy For vehicles with 722.9 transmis

TSB #11020872

Complaint Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit (EHS) or of repair kit controller unit (VGS). Cause The wrong older A-code ("Generation EHS") is documented in VeDoc for the

Showing the 8 most recent of 101 technical service bulletins on file with NHTSA.

20210721Component: FUEL/PROPULSION SYSTEMCrash reported

UPON REFULING MY AUTOMOBILE FULL I COULD SMELL A STRONG ODOR OF GAS FUMES. EARLIER THAT DAY I HAD AN IMPACT OF MY TIRE OVER A CURB. GAS FUMES COULD BE SMELLED NOT SO MUCH ON THE OUTSIDE OF THE AUTO

20250112Component: SUSPENSION

FUALTY DRIVE SHAFT PROBLEM

20250112Component: POWER TRAIN

FUALTY DRIVE SHAFT PROBLEM

20221205Component: FUEL SYSTEM, GASOLINE

The contact owns a 2010 Mercedes-Benz S550. The contact stated that after refueling, there was abnormal fuel odor present inside and outside the vehicle. The cause of the failure was not yet determine

20221110Component: FUEL/PROPULSION SYSTEM

Vehicle garaged in storage for summer. Upon returning strong odor of gasoline was detected. Reluctantly drove to dealership and prognoses was determined that (fuel pump strainer) had malfunction thus

Showing the 5 most serious of 22 complaints filed with NHTSA.

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