My mechanic has given me a price of $400 to change the clutch on my 5spd 190e. He says it’s about 8 hours worth of work. The price is only for labor as I’m supplying the clutch set. Is this reasonable? Thanks.

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1985 190e 2.3 5spd
98 E320 rims + TV & VCR
1991 Mazda Miata
1991 Yamaha FZR1000
1994 MB S420 (sold)
1994 BMW 318ica (sold)