mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Piston, Engine|Specifications|Page 2344 > < Vehicle - New Dealer Technical Bulletin|Page 2340
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Piston: Specifications

Standard nominal diameter 88.5 (3.4842 in)

Piston Diameter [A] ............................................................................................................................................  88.473 - 88.479 mm (3.4831-3.4834 in)
Piston Diameter [X] ...........................................................................................................................................  88.478 - 88.486mm (3.4833 - 3.4837 in)
Piston Diameter [B] ..........................................................................................................................................  88.485 - 88.491 mm (3.4836 - 3.4838 in)

1st. Repair Size +0.5 (0.0196 in)  

Piston Diameter [A] ...........................................................................................................................................  88.973 - 88.979mm (3.5028 - 3.5031 in)
Piston Diameter [X]  ..........................................................................................................................................  88.978 - 88.986mm (3.5030 - 3.5033 in)
Piston Diameter [B]  ..........................................................................................................................................  88.985 - 88.991mm (3.5033 - 3.5035 in)

2nd repair size + 1.0 (0.0393 in)

Piston Diameter [A]  ..........................................................................................................................................  89.473 - 89.479mm (3.5225 - 3.5227 in)
Piston Diameter [X]  ..........................................................................................................................................  89.478 - 89.486mm (3.5227 - 3.5230 in)
Piston Diameter [B]  ..........................................................................................................................................  89.485 - 89.491mm (3.5230 - 3.5232 in)

 [A],[X],[B] The group code letters are located on the piston crown and are stamped in the contact surface of the crankcase.

Piston, Engine|Specifications|Page 2344 > < Vehicle - New Dealer Technical Bulletin|Page 2340