2011 Mercedes-Benz S550 Service and Repair Manual

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Factory-Grade Data

2011 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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Payment methods

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  • Visa

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Vehicle Safety Data

2011 Mercedes-Benz S550 Recalls & Complaints

NHTSA #11V49300003/10/2011Component: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

Mercedes-Benz USA, LLC (Mercedes Benz) is recalling certain model year 2011-2012 S550, S550 CGI, S63, S600 Bi-Turbo, S65 AMG, S550 4-Matic, and S550 CGI 4-Matic and S400 Hybrid vehicles manufactured f

Consequence

If all four wheel sensors in the subject vehicles are simultaneously malfunctioning or missing, the

Remedy

Mercedes Benz will notify owners, and dealers will reprogram the tire pressure monitoring unit, free

TSB #11031736

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA ("MBUSA") is extending the coverage for the exhaust valve assembly on your vehicle as f

TSB #11031590

This NCU replaces the prior NCU issued on March 10, 2023, and contains clarification on reimbursement timeline and removal of damage codes related to intake valves/guide. In our continuing efforts to assure the proper performance of Mercede

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

Showing the 8 most recent of 66 technical service bulletins on file with NHTSA.

20170629Component: UNKNOWN OR OTHERCrash reported

SHIFTING LEVER IS UP FOR REVERSE, CENTER FOR PARK, DOWN FOR FORWARD. ALL OTHER TRANSMISSIONS YOU PUSH UP FOR PARK. AFTER DRIVING ALL OTHER CARS, EVEN PRIOR MERCEDES IF YOU EXIT THE CAR YOU PUSH THE

20180822Component: ENGINEFire reported

TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S550. THE CONTACT STATED THAT THE VEHICLE CAUGHT ON FIRE WHILE PARKED. THE CONTACT WAS ABLE TO EXTINGUISH THE FIRE WHICH STARTED FROM UNDERNEATH THE VEHICLE.

20250429Component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS

The contact's daughter owns a 2011 Mercedes-Benz S550. The contact stated that while the vehicle was parked in the garage, the contact noticed that the air suspension had collapsed. The dealer was not

20240508Component: FUEL/PROPULSION SYSTEM

My driver side Rear seat underneath is leaking gasoline. FUEL SYSTEM, GASOLINE If the fuel filter flange cracks, it will leak fuel which may lead to a fire if an external ignition source is present.

20220318Component: FUEL/PROPULSION SYSTEM

I am filing a complaint with your agency regarding a fuel pump malfunction with my 2011 Mercedes S550 (VIN# [XXX]), because I feel that the incident below is a major safety concern and is similarly si

Showing the 5 most serious of 9 complaints filed with NHTSA.

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