Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMERCEDES BENZ1993400EREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESMECHANICAL - HYDRAULICDISCDISC BRAKE SPECIFICATIONS

1993 Mercedes Benz 400E

Disc Brake Specifications

1993 Mercedes Benz 400ESECTION Disc Brake Specifications

DISC BRAKE SPECIFICATIONS

Application

In. (mm)

Disc Diameter

Front

400E

11.6 (295)

400SEL

12.6 (320)

Rear

400E

10.9 (278)

400SEL

11.8 (300)

Lateral Runout

Front

400E

.005 (.12)

400SEL

.003 (.08)

Rear

400E

.006 (.15)

400SEL

.004 (.10)

Parallelism

.0008 (.020)

All Models

Disc Thickness

Standard

Front

400E

.98 (25)

400SEL

1.18 (30)

Rear

400E

.94 (24)

400SEL

.87 (22)

Minimum Refinish Thickness

Front

400E

.79 (20)

400SEL

1.10 (28)

Rear

400E

.87 (22)

400SEL

.79 (20)

Wear Limit

Front

400E

.76 (19.4)

400SEL

1.08 (27.4)

Rear

400E

.84 (21.4)

400EL

.79 (20)

Caliper Piston Diameter ⁽¹⁾

Front

400E

1.50 (38)

Rear

400E

1.50 (38)

Caliper Piston Bore Diameter ⁽²⁾

Fixed Caliper Front Axle 400E (Teves Caliper)

Top

1.495-1.497 (37.98-38.03)

Bottom

1.653-1.655 (41.98-42.03)

Fixed Caliper Rear Axle

400E (Bendix ATE 38)

1.496-1.497 (37.99-38.03)

400SEL (Bendix 46)

1.811-1.812 (45.99-46.03)

Floating Caliper Front Axle 400E (Teves Or Girling)

2.126-2.128 (54.00-54.05)

Inside Diameter For Parking Brake

All Models

6.5 (164)

⁽¹⁾	Specifications for models not listed are not available.

⁽²⁾	Bore diameter at outer section may be exceeded by up to .004"(.1 mm) by polishing with emery cloth for repair.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.