Mercedes-Benz 201.024 Service Manual page 120

Caution!
A recess with a diameter of 50 mm appears on
the piston crown of pistons in repair size version.
Piston crown smooth, two valve niches
All low compression engines have a step on the
piston crown (except 102.985 @, 1985
additionally one valve niche).
33 Rectangular ring wrth Internal chamfer, runnrng
surface chrome-plated
34 Taper face 011 scraper ring, running surface
35 Chamferred 011 control nng wrth garter spring,
T
03 0905 31616
Engine 102.985
Recess in piston crown, two
valve niches
dia.
D 70 mm
T vanes according to piston
(normal size, repair srzes)
EXIT