Mercedes-Benz E55 AMG Brake Master Cylinder Replacement Costs

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Brake Master Cylinder Replacement Service

How much does a Brake Master Cylinder Replacement cost?

On average, the cost for a Mercedes-Benz E55 AMG Brake Master Cylinder Replacement is $351 with $211 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2003 Mercedes-Benz E55 AMGV8-5.5L Turbo	Service typeBrake Master Cylinder Replacement	Estimate$2477.46	Shop/Dealer Price$3058.15 - $4773.90
2006 Mercedes-Benz E55 AMGV8-5.5L Turbo	Service typeBrake Master Cylinder Replacement	Estimate$2421.95	Shop/Dealer Price$2995.52 - $4705.93
2004 Mercedes-Benz E55 AMGV8-5.5L Turbo	Service typeBrake Master Cylinder Replacement	Estimate$2421.95	Shop/Dealer Price$2995.59 - $4706.04
1999 Mercedes-Benz E55 AMGV8-5.5L	Service typeBrake Master Cylinder Replacement	Estimate$612.75	Shop/Dealer Price$724.52 - $1046.27
2002 Mercedes-Benz E55 AMGV8-5.5L	Service typeBrake Master Cylinder Replacement	Estimate$612.75	Shop/Dealer Price$729.31 - $1054.65
2001 Mercedes-Benz E55 AMGV8-5.5L	Service typeBrake Master Cylinder Replacement	Estimate$612.75	Shop/Dealer Price$724.98 - $1047.07
2000 Mercedes-Benz E55 AMGV8-5.5L	Service typeBrake Master Cylinder Replacement	Estimate$612.75	Shop/Dealer Price$724.58 - $1046.36
2005 Mercedes-Benz E55 AMGV8-5.5L Turbo	Service typeBrake Master Cylinder Replacement	Estimate$2421.95	Shop/Dealer Price$2995.58 - $4706.04

Show example Mercedes-Benz E55 AMG Brake Master Cylinder Replacement prices

What is the brake master cylinder and how does it work?

The brake master cylinder has a piston that pressurizes fluid in the brake lines to each wheel cylinder as you apply force to the brake pedal. That pressure moves the pistons that are in the wheel cylinders. As the pistons in those wheel cylinders move, they force the brake pads or shoes tightly against the rotors or drums allowing the car to stop quickly.

The size of the pistons in the master cylinder and in the wheel cylinders are carefully selected when designing a car. This allows drivers to apply moderate pressure on the brake pedal when stopping, but creates tremendous pressure applied at the wheel cylinders. A car can then stop quickly even at high speeds. Depending on how much force is applied to the brake pedal, the pressure in a car’s brake lines will typically be in the range of 800 PSI to 2,000 PSI.

Master Cylinder

When to replace the master cylinder?

External fluid leaks. There should be no fluid visible on the external surfaces of any portion of the master cylinder or the plastic fluid reservoir.
Low, slowly falling, or spongy brake pedal. Faulty internal seals on the piston can cause internal leaks and also seepage of brake fluid into the power assist brake booster. Internal leaks will typically be accompanied by a low pedal, a spongy brake pedal, or a pedal that slowly sinks as you maintain pressure. In all cases, you will experience reduced braking abilities.
Discolored brake fluid. No brake fluids, other than those specified for the year, make, and model, are fully compatible with a car’s internal rubber seals in the master cylinder. Discoloration of brake fluid can also occur due to moisture and particulate contaminants in the fluid.
Warning lights on the dash. If the brake system warning light illuminates, there are several potential causes but failure of the master cylinder is in the list of causes that would have to be investigated.

How do mechanics replace the brake master cylinder?

On vehicles with power brakes, the master cylinder is bolted to the metal housing of the power brake booster. There is usually an electrical plug connecting to a brake fluid level sensor on the master cylinder reservoir and that plug must be disconnected.
Once all steel brake lines are disconnected from the master cylinder, the master cylinder is unbolted from the brake booster and removed from the vehicle.
The new master cylinder must be bench-bled to expel air from internal passages that contain the piston. Then the new master cylinder is bolted to the brake booster and the brake lines are reattached. The electrical plug for the fluid level sensor is reconnected.
Whenever a new master cylinder is installed, brakes lines to wheel positions must be bled to remove air, old fluid and contaminants. If your vehicle is equipped with anti-lock brakes, the mechanic may use a bidirectional scan tool during brake bleeding to actuate the ABS pump, thus ensuring that all air is removed from the complex valving in the ABS system.
All brake line connections that were removed during the master cylinder replacement are inspected for any leakage and the vehicle is road tested to ensure normal operation of the brakes.

Is it safe to drive with a master cylinder problem?

No, any fault in the master cylinder, which is part of the braking system creates a safety risk. A fully operational brake system is essential to quickly stopping your car. Driving a vehicle isn’t safe, if the master cylinder is leaking or has other faults, as braking distances might be longer than normal. The braking system on a vehicle is among the most important safety systems and must be fully functional to safely drive your vehicle.

When replacing the master cylinder keep in mind:

The master cylinder is only one component of many in a vehicle’s braking system. During replacement of the master cylinder, all vehicle braking system components should be inspected to ensure maximum braking power is available.
The amount of friction material remaining on the brake pads and brake shoes should be verified.
Brake lines and flexible rubber hoses at each wheel position should be inspected for corrosion and deterioration.
The power brake booster should be evaluated to ensure that power assist is working properly.

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Nicholas

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by Anthony

Mercedes-Benz E55 AMG V8-5.5L - Power steering fluid is leaking - Raleigh, North Carolina

Nicholas was on time and confirmed what I suspected what was a leaking high pressure power steering hose. As far as checking the car out for ABS/dash lights, he was a little limited due to software on the diagnostic tool did not work on my older car. I'm little confused on the $99 charge which includes the 50 point inspection. He said a lift would be needed to connect the hose on the bottom. I most likely will get the hose from Mercedes and have a local garage down the street put on the hose.

Jose

16 years of experience

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Jose

16 years of experience

by Travis

Mercedes-Benz E55 AMG V8-5.5L - Drive Belt Tensioner Replacement - Riverview, Florida

Friendly,Professional and an expert ,great work in a timely manor , Thank you Jose

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Fred

18 years of experience

by dan

Mercedes-Benz E55 AMG V8-5.5L Turbo - Oxygen Sensor Replacement (Front/Upper/Upstream) - Spring, Texas

Very personable & knowledgeable. Repairs completed in record time and car is in good shape again. Thanks !

Peter

44 years of experience

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Peter

44 years of experience

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Mercedes-Benz E55 AMG V8-5.5L Turbo - Coolant is leaking - Peoria, Arizona

Peter is always great and arrives on time. Never a complaint. He knows his stuff and I trust him with my vehicle.

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